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References:

Jeekel, C.A.W. 1964: Two new species of Pratinus Attems, with taxonomie notes on the genus and a redescription of its type-species (Diplopoda, Polydesmida). Beaufortia 11: 61-73
Bairwa,I.L.; Siddiqui,A.U.; Parihar,A. 2008: Two new species of Pratylenchus Filipjev, 1936 found associated with medicinal plants in Udaipur District of Rajasthan along with the report of Pratylenchus zeae Graham, 1951 and P thornei Sher and Allen, 1953. Pakistan Journal Of Nematology: 1, 13-19
Dvorak, R. 1957: Two new species of Priochirus (Staphylinidae: Coleoptera) from India. Journal of the Bombay Natural History Society 54: 790-791
Ishikawa, R. 1954: Two new species of Priocnemis from Japan (Hymenoptera, Pompilidae). Mushi: 33-39
Donisthorpe, H. 1944: Two new species of Pristomyrmex Mayr (Hym. Formicidae), with some notes on the genus. Proceedings of the Royal Entomological Society of London (B): 13: 81-84
Evenhuis, N.L. 2006: Two new species of Proceroplatus Edwards (Diptera: Keroplatidae) from Fiji. Bishop Museum Occasional Papers 15 April; 86: 3-9
Ogloblin, A.A. 1944: Two new species of Proctotrupoidea from Iowa (Hymenoptera). Proceedings of the Entomological Society of Washington 46: 155-158
Hobby, B.M. 1933: Two new species of Promachus (Dipt., Asilidae) from Madagascar. Entomologist's Monthly Magazine 69: 193-195
Chalikwar, M.R. 1976: Two new species of Protomicroplitis Ashmead (Hymenoptera: Braconidae: Microgasterinae). Oriental lnsects 4: 439-445
Gloyd, L.K. 1939: Two new species of Protoneura from South America (Odonata). Occasional Papers of the Museum of Zoology University of Michigan Ann Arbor, 408: 17
Naidenova, N.N.; Zaika, W.E. 1969: Two new species of Protozoa from the fishes of the Black Sea. Parazitologiya 3: 97-101
Yin, Wen Ying 1963: Two new species of Protura from China. Acta Entomol Sinica 12(3): 268-275
Imadate, G.; Yosii, R. 1956: Two new species of Protura from Japan. Insecta Matsumurana Sapporo 20: 11-16
Nosek, J. 1969: Two new species of Protura from Montagne Noire. Bulletin de la Societe d'Histoire Naturelle de Toulouse 105: 217-220
Banks, N. 1945: Two new species of Psammocharidae. Psyche 52(1/2): 105-106
Budnikova, LL. 2005: Two new species of Psammonyx and the identity of the genus Wecomedon (Amphipoda, Gammaridea). Publications of the Seto Marine Biological Laboratory 40(3-4): 179-197
Kubik, S. 2006: Two new species of Pselaphia (Diptera, Chloropidae) from Zambia. Biologia (Bratislava) 61(2): 159-160
Hussey, R.F. 1954: Two new species of Pselliopus and some distributional notes (Hemiptera, Reduviidae). Pan-Pacific Entomologist 30: 153-158
Blaisdell, F.E. 1923: Two new species of Psephenus, Hald., with a note on Narpus angustus, Casey (Coleop.). Entomological News 34: 234-238
Lujan, N.K.; Armbruster, J.W.; Sabaj, M.H. 2007: Two new species of Pseudancistrus from southern Venezuela (Siluriformes: Loricariidae). Ichthyological Exploration of Freshwaters 18(2): 163-174
Burton, DW. 1977: Two new species of Pseudaneitea Cockerell (Athoracophoridae: Gastropoda) from New Zealand. Journal of the Royal Soc N Z: 71: 93-98
Ng, H.H.; Edds, D.R. 2005: Two new species of Pseudecheneis, rheophilic catfishes (Teleostei: Sisoridae) from Nepal. Zootaxa 1047: 1-19
Stephens, A.E.A.; Gibbs, G.W. 2003: Two new species of Pseudocoremia and reinstatement of P. pergrata as species (Lepidoptera: Geometridae: Ennominae). New Zealand Entomologist 2(6): 61-64
Wright, S. 1937: Two new species of Pseudodiaptomus. Ann Acad Bras Sci Rio de Janeiro 9: 155-162
Miller, N.C.E. 1957: Two new species of Pseudodoniella China & Carvalho (Hemiptera, Miridae). Bulletin of Entomological Research London 48: 57-58
Parra-Olea, G.; Garcia-Paris, M.; Hanken, J.; Wake, D.B. 2005: Two new species of Pseudoeurycea (Caudata: Plethodontidae) from the mountains of northern Oaxaca, Mexico. Copeia 3: 461-469
Shi, A M.; Ren, GD.; Merkl, O. 2005: Two new species of Pseudognaptorina Kaszab, 1977 (Coleoptera, Tenebrionidae: Blaptini) from the Tibet Plateau. Acta Zoologica Academiae Scientiarum Hungaricae 51(3): 163-170
Ng, Heok Hee 2005: Two new species of Pseudolaguvia (Teleostei: Erethistidae) from Bangladesh. Zootaxa: 35-47
Murano, M. 1966: Two new species of Pseudomma (Mysidacea) from Sagami Bay, central Japan. Journal of the Oceanographical Society of Japan 22: 41-49
Kuoh, C-l. 1973: Two new species of Pseudonisuana (Homoptera: Cicadellidae). Acta Entomologica Sinica 162: 180-187
Gupta, NK.; Gupta, K. 1972: Two new species of Pseudorhadinorhynchus Achmerow et Dombrovskaja-Achmerova, 1941 (Acanthocephala, family - Micracanthorhynchinidae Yamaguti, 1961) from marine food fishes at Ernakulam. Research Bulletin of the Panjab University, Science 22(3-4): 345-351
Melo, M.R.S.; Walker, H J.; Jr; Klepadlo, C. 2007: Two new species of Pseudoscopelus (Teleostei: Chiasmodontidae), with a new diagnosis for the genus. Zootaxa 1605: 33-46
Hoff, C.C. 1954: Two new species of Pseudoscorpions from Illinois. Transactions of the Illinois Academy of Science 45: 188-195
Manning, RB. 1972: Two new species of Pseudosquilla (Crustacea, Stomatopoda) from the Pacific Ocean. American Museum Novitates, 2484: 1-Il
Tsutsumi, C. 1964: Two new species of Psocoptera from the Ryukyu Islands, Japan. Kontyu, Tokyo: 265-269
Banks, N. 1914: Two new species of Psychoda. Entomological News 25: 127-128
Freeman, P. 1953: Two new species of Psychodidae (Diptera,: Nematocera) from Britain. Proceedings of the Royal Entomological Society of London (B): 22: 69-71
Tanaka, K. 1958: Two new species of Pterostichus from East Asia (Carabidae, Coleoptera). Akitu Kyoto 7: 58-60
Tlmberlake, P.H. 1946: Two new species of Ptiloglossa from Arizona (Hymenoptera, Apoidea). Pan-Pacific Entomologist 22: 156-158
King, G.B. 1901: Two new species of Pulvinaria. Canadian Entomologist, XXXIII 144-146
Cockerell, T.D.A. 1893: Two new species of Pulvinaria from Jamaica. Transactions of the Entomological Society of London, 159-163
Kullander, S.O.; F., F. 2005: Two new species of Puntius from northern Myanmar (Teleostei: Cyprinidae). Copeia 2: 290-302
Blair, K.G. 1914: Two new species of Pyrochroidae from Borneo. Annals and Magazine of Natural History, 14 317-318
Blote, H.C. 1932: Two new species of Pyrrhocoridae in 'S Rijks Museum van Natuurlijke Histories. Zoologische Mededeelingen Leiden 14: 263-264
Senna, A.R.; Serejo, C.S. 2007: Two new species of Quadrimaera (Crustacea: Amphipoda: Melitidae) from Atol das Rocas, Brazil. Zootaxa 1593: 55-67
Emerson, K.C. 1964: Two new species of Rallicola from Tasmania (Mallophaga: Philopteridae). Journal of the Entomological Society of Queensland 3: 30-31
Koc, K.; Kara, M. 2005: Two new species of Raphignathoidea (Acari: Raphighathidae ; Camerobiidae) from Turkey. Acarologia (Paris) 45(2-3): 195-202
Barber, H.G. 1922: Two new species of Reduviidae from the United States. (Hem.). Proceedings of the Entomological Society of Washington 24: 103-104
Fuhrmann, O. 1924: Two new species of Reptilian Cestodes. Ann Med. Parasitol. Liverpool: 505-513
Okabe, K.; Shiraishi, S. 1967: Two new species of Rhabditis found in Oncomelania nosophora nosophom and O. h. formosana. Japanese Journal of Parasitology 16: 581-582
Xueyan LI.N.buyoshi OHBA.X.ngcai LIANG 2008: Two new species of Rhagophthalmus Motschulsky (Coleoptera: Rhagophthalmidae) from Yunnan, south-western China, with notes on known species. Entomological Science 11(2): 259-267
Zettel, H.; Tran, A.D.c 2004: Two new species of Rhagovelia (Heteroptera: Veliidae) from Vietnam: first records of the R. papuensis group from south-eastern Asia. Tijdschrift voor Entomologie 147: 229-235
Drake, C.J. 1957: Two new species of Rhagovelias (Hemiptera: Veliidae). Bulletin - Southern California Academy of Sciences 56: 47-49
Gorochov, AV. 2002: Two new species of Rhaphidophora from southern Japan (Orthoptera: Rhaphidophoridae: Rhaphidophorinae). Zoosystematica Rossica 25 December; 111: 104
Tomlin, J.R. le B. 1931: Two new species of Rhiostoma. Proceedings of the Malacological Society of London 195: 227-228
Lyneborg, L. 1970: Two new species of Rhopalia Macq. from Afghanistan (Dipt. Mydaidae). Entomologica scand: 90-92.
Rothschild, W. 1895: Two new species of Rhopalocera from the Solomon Islands. Novitates Zoologicae, II 161
Sommerman, K.M. 1956: Two new species of Rhyopsocus (Psocoptera) from the U.S.A., with notes on the bionomics of one household species. Journal of the Washington Academy of Sciences 46: 145-149
Mawson, P.M. 1971: Two new species of Rictularia (Nematoda) from Australian rodents. R Trans R Soc S Aust 95: 61-64
Cushman, J.A.; Parker, F.L. 1938: Two new species of Robertina. Contributions from the Cushman Laboratory for Foraminiferal Research Sharon 14: 73-74
Yasumatsu, K. 1956: Two new species of Roproniidae (Hymenoptera). Insecta Matsumurana Sapporo 19: 117-122
Garner, W.E. 1937: Two new species of Rotatoria. Journal of the Quekett Microscopical Club Ser 3: 1: 280-283
Ping, L. 1966: Two new species of Rutelinae (Coleoptera: Scarabaeidae). Acta zootax. sin.: 3: 82-84
Drake, C.J.; Hottes, F.C. 1949: Two new species of Saldidae (Hemip-tera) from western United States. Proceedings of the Biological Society of Washington 62: 177-184
Drake, C.J. 1961: Two new species of Saldidae from South Africa (Hemiptera: Saldidae). Transactions of the Royal Society of South Africa 36: 133-135
Mitra, S.K. 1966: Two new species of Salina McGillivray (Collembola: Entomobryidae: Paronellinae) from India. Indian Journal of Entomology 28: 67-73
Hessler, RR.; Sanders, HL. 1973: Two new species of Sandersiella (Cephalocardia), including one from the deep sea. Crustaceana 242: 181-1%
Hille Ris Lambers, D. 1954: Two new species of Sappaphis Mats. (Homopt., Aphid.). Entomologische Berichten Amsterdam 15: 304-309
Malloch, J.R. 1940: Two new species of Sapromyzidae from New Guinea (Diptera). Proceedings of the Royal Entomological Society of London (B): 9: 20-22
Dogiel, V.A. 1922: Two new species of Sarcocystis from African Antelopes. Sci Res Zoological Expedition British East Africa 1914: 1(8): 1-7
Salem, H.H. 1938: Two new species of Sarcophaga (Diptera-Tachinidae). Publ Egypt Univ Fac Med Cairo 15: 6
Zumpt, F. 1969: Two new species of Sarcophagidae (Diptera) from the Madagascan region. Bulletin et Annales de la Societe R Entomologique de Belgique 105: 74-78
Hall, D.G. 1932: Two new species of Sarcophaginae from California. Pan-Pacific Entomologist 8(1931): 52-54
Morrison, J.P.E. 1939: Two new species of Sayella with notes on the Genus. Nautilus Philadelphia 532: 43-45
Hure, J.; Scotto di Carlo, B. 1968: Two new species of Scaphocalanus (Copepoda: Calanoida) from the Mediterranean sea. Pubblicazioni della Stazione Zoologica di Napoli 36: 152-166
Van Dyke, E.C. 1933: Two new species of Scarnbaeidae (Coleoptera). Pan-Pacific Entomologist 9: 115-116
Cook, E.F. 1968: Two new species of Scatopsidae (Diptera) from the Bismarck Islands. Entomologiske Meddelelser 36: 414-416
Liang, G.Qiu 2002: Two new species of Scelimenidae from Hainan Province (Orthoptera: Tetrigoidea). Acta Entomologica Sinica y; 45: 13-15(Suppl)
Deng, W.-An.; Zheng, Z.-Min.; Wei, S.-Zhen. 2006: Two new species of Scelimenidae from Yunnan and Guangxi, China (Orthoptera, Tetrigoidea). Acta Zootaxonomica Sinica. Apr; 312: 369-372
Pettey, F.W. 1918: Two new species of Sciara from the Phillippines. Philippine Journal of Science D: 13 215-217
Bechev, D.; Koc, H. 2006: Two new species of Sciophila Meigen (Diptera: Mycetophilidae) from Turkey, with a key to the Western Palaearctic species of the S. lutea Macquart group. Zootaxa 1253: 61-68
Gravely, F.H. 1912: Two new species of Scolopendridae. Records of the Indian Museum 7: 415-417
Bradley, J.D. 1965: Two new species of Scrobipalpa Janse (Lep., Gelechiidae) from Algeria. Annnat. Hist., London 13: 553-557
Mahunka, S. 1967: Two new species of Scutacaridae (Acari) from Vietnam 'Zoologische Ergebnisse der Forschungen von Dr. T. Pooes'. Acarologia 9: 26-29
Kamitani, S.; Ubaidillah, R.; Kahono, S.; Herwint, S.; Partomihardjo, T. 2006: Two new species of Selenocephalinae (Auchenorrhyncha, Cicadellidae) in Java, Indonesia. Esakia e 30; 46: 83-87
Kataev, B M.; Wrase, DW. 2006: Two new species of Selenotichnus Kataev 1999 from Yunnan, China (Coleoptera, Carabidae, Harpalini). Linzer Biologische Beitraege 29 Dezember; 382: 1493-1498
Chickering, A.M. 1953: Two new species of Senoculus (Araneae, Seno-culidae) from Panama. Transactions of the American Microscopical Society 72: 281-287
Ho, C.; Lu, C.-Cheng 2005: Two new species of Sepia (Doratosepion) (Cephalopoda: Sepiidae) from Taiwan, based on morphological and molecular data. Phuket Marine Biological Center Research Bulletin 6(6): 51-69
Steyskal, G.C. 1961: Two new species of Sepsisoma from Kansas (Diptera: Richardiidae). Journal of the Kansas Entomological Society 34: 83-85
Cassino, S.E.; Swett, L.W. 1922: Two new species of Sericosema. Lepidopterist Salem 3: 151-155
Kallies, A. 2003: Two new species of Sesiini from the Oriental region (Lepidoptera: Sesiidae, Sesiinae). Nachrichten des Entomologischen Vereins Apollo. Februar; 234: 161-166
Morris, S.J. 2003: Two new species of Sigaus from Fiordland, New Zealand (Orthoptera: Acrididae). New Zealand Entomologist 2(6): 65-74
Jennings, A.H. 1915: Two new species of Simulium from tropical America. Washington Dc. Ent. Soc: 199-200
Hussey, R.P. 1953: Two new species of Sinea (Hemiptera, Reduviidae). Journal of the Kansas Entomological Society 26: 61-64
Li, W.-xian.; Liao, Y.-ping.; Yang, H.-fu. 2002: Two new species of Sinocyclocheilus from eastern Yunnan, China. Journal of Yunnan Agricultural University. Jun; 172: 161-163
Peile, A.J. 1935: Two new species of Sinosnnea. Proceedings of the Malacological Society of London 21: 382-383
Murina, V.V. 1969: Two new species of Sipunculids (Sipunculida) of the Pacific and Indian Oceans. Zoologicheskii Zhurnal 48(11): 1732-1734
Smithers, C.N. 1957: Two new species of Sisyra (Sisyridae, Neuroptera) from Southern Rhodesia. Journal of the Entomological Society of Southern Africa 20: 223-228
Thomas, O. 1921: Two new species of Slow Loris. AnnNat. Hist. London : 627-628
Robinson, M. 1947: Two new species of Soarabaoidae (Coleoptora). Transactions of the American Entomological Society 73: 109-171
Tu, L.; Ono, H.; Li, S. 2007: Two new species of Solenysa Simon, 1894 (Araneae: Linyphiidae) from Japan. Zootaxa 1426: 57-62
Schwartz, A.; Thomas, R. 1977: Two new species of Sphaerodactylus (Reptilia, Lacertilia, Gekkonidae) from Hispaniola. Journal Herpet 111: 61-66
Fong, G., A.; Diaz, L.M. 2004: Two new species of Sphaerodactylus (Sauria: Gekkonidae) from the southeastern coast of Cuba. Solenodon. Diciembre; 4: 73-84
Cheesman, L.E. 1955: Two new species of Sphecoidea (Hymenoptera) of New Caledonia and Lifu Island, Loyalty Islands. Annals and Magazine of Natural History Series 12: 8: 81-34
Efflatoun, H.C. 1924: Two new species of Spheniscomyia (Diptera, Trypaneidae) from Egypt. BullR. ent. Egypte Cairo: 132-139
Fernald, H.T. 1903: Two new species of Sphex. Psyche, X 201-203
Fellowes-Manson, C.E. 1930: Two new species of Sphingidae (hawk moths) from the Oriental region. Journal of the Bombay Natural History Society 34: 202-204
Chhapgar, B.F.; Sane, S.R. 1967: Two new species of Squilla (Stomatopoda) from Bombay. Crustaceana 12: 1-8
Cameron, M. 1933: Two new species of Staphylinidae (Col.) from the Belgian Congo. Bulletin et Annales de la Societe Entomologique de Belgique 73: 383-384
Yablokov-Khnzorian, SV. 1974: Two new species of Staphylinidae - beetles from USSR (Coleoptera, Staphylinidae). Doklady Akad Nauk armyan SSR: 591: 60-64
Cameron, M. 1938: Two new species of Staphylinidae from Africa. Revue Francaise d'Entomologie 5: 182-183
Yun Bo. 1975: Two new species of Stegodon from Yunnan. Vertebrata Palasiatica 134: 229-233
Kejval, Z. 2006: Two new species of Stenidius (Coleptera : Anthicidae) from India and Laos. Acta Entomologica Musei Nationalis Pragae 46: 127-132
Nuttycombe, J.W. 1931: Two new species of Stenoatomum from the South-eastern United States. ZoolLeipzig: 80-85
Deb, M. 1972: Two new species of Stenocypris Sars, 1889 (Crustacea: Ostracoda; Cypridae) from India. Journal of the Zoological Society of India 24(1): 91-95
Rothschild, Hon, N.C. 1909: Two new species of Stephanocircus from South America. Entomologist's Monthly Magazine 45: 8-10
Watts, J.G. 1935: Two new species of Stephanothrips from South Carolina and key to the known species (Urothrip-idae; Thysanoptera). AnnSoc. Amer., Columbus: 126-130
D.S.ntana, C.D.; Nogueira, A. 2006: Two new species of Sternarchorhynchus Castelnau from the Amazon Basin, Brazil (Gymnotiformes: Apteronotidae). Ichthyological Exploration of Freshwaters 17(1): 85-92
Shibata, Y. 1974: Two new species of Stilicoderus Sharp from Taiwan (Coleoptera, Staphylinidae). Bulletin Jap ent Acad 81: 8-13
Thandar, A.S. 2005: Two new species of Stolus Selenka (Echinodermata: Holothuroidea: Dendrochirotida: Phyllophoridae) from off the east coast of South Africa, with a revised key to the genus. African Zoology 40(1): 115-126
Williamson, E.B. 1932: Two new species of Stylurus (Odonata Gomphinae). Occasional Papers of the Museum of Zoology University of Michigan Ann Arbor, no. 247: 18
Medvedev, S.I. 1968: Two new species of Sugrames Reitt. (Coieoptera, Scarabaeidae). Zoologicheskii Zhurnal 47: 1247-1251
Mbczdr, L. 1970: Two new species of Sulcomesitus Moczar (Hym,Bethylidae). Acta biol., Szeged 16: 163-165
Thomas, O. 1920: Two new species of Sylvilagus from Colombia. Annals and Magazine of Natural History Series 9: 5 31-33
Brescovit, A.D.; Alvares, E.S.; Lopes Ferreira, R. 2004: Two new species of Symphytognatha Hickman (Araneae, Symphytognathidae) from Brazil. Revista Iberica de Aracnologia 31 December; 10: 75-80
Salazar, M.H.; Hendrickx, M.E. 2005: Two new species of Synalpheus Bate, 1888 (Decapoda, Caridea, Alpheidae) from the SE Gulf of California, Mexico. Crustaceana (Leiden) 78(9): 1099-1116
Pires, AMS.; Moreira, PS. 1975: Two new species of Synidotea (Crustacea, Isopoda, Valvifera) from Brazil. Boletim Inst oceanogr S Paulo 24: 45-67,Must.
van der Goot, V.S. 1966: Two new species of Syrphidae (Dipt.) from Spain. Entomologische Berichten Amsterdam 26: 179-183
Bryant, G.E. 1942: Two new species of Systena, Halticinae (Coleoptera) from the West Indies. Annals and Magazine of Natural History 9(11): 790-792
Blake, D.H. 1933: Two new species of Systena, with notes on differences in sexual coloration in the genus. Proceedings Ent Society Washington 35(8): 180-183
Brunetti, E. 1923: Two new species of Tabanidae from Cuba. Bulletin of Entomological Research London 13: 401-402
Crosskey, R.W. 1959: Two new species of Tabanus L. (Diptera: Tabanidae) from West Africa. Proceedings of the Royal Entomological Society of London (B): 28: 49-57
Stone, A. 1933: Two new species of Tabanus from North America (Diptera). Proceedings of the Entomological Society of Washington 35: 75-77
Austen, E.E. 1911: Two new species of Tabanus from the Anglo-Egyptian Sudan. Bulletin of Entomological Research London, 2 173-177
Drumm, D.T. 2007: Two new species of Tanaidacea of the genus Kalliapseudes Stebbing, 1910 (Crustacea: Apseudomorpha: Kalliapseudidae) from Australia. Zootaxa 1441: 1-19
Magowski, W.L.; Khaustov, A.A. 2006: Two new species of Tarsonemus (Acari: Tarsonemidae) associated with bark beetles (Coleoptera: Scolytidae) from Crimea, Ukraine. Zootaxa: 31-55
Girault, A.A. 1906: Two new species of Telenomus. Psyche Boston Mass, 13 63-65
Ehara, S. 1965: Two new species of Teneriffiidae from Japan, with notes on the genera, Heteroteneriffia and Neoteneriffiola (Acarina: Prostigmata). Publmar. biol. Lab: 221-229
Macgillivray, A.D. 1907: Two new species of Tenthredinoidea. Canadian Entomologist, 39 308
Mesa, NC.; D.M.raes, GJ.; Ochoa, R. 2006: Two new species of Tenuipalpus (Acari: Tenuipalpidae) from southeastern Brazil. Zootaxa 1138: 45-51
Simone, L.R.cardo L.; Gracia, C., A. 2006: Two new species of Terebra (Gastropoda, Conoidea) from Colombia. Papeis Avulsos de Zoologia 46(11): 125-133
Murray, A.; Rouse, G.W. 2007: Two new species of Terebrasabella (Annelida: Sabellidae: Sabellinae) from Australia. Zootaxa 1434: 51-68
Bucknill, C.E.R. 1928: Two new species of Tertiary Chitonidae. Transactions and Proceedings New Zealand Inst 59(1): 163-164
Nicholas, W.; Todaro, M.; Antonio 2006: Two new species of Tetranchyroderma (Gastrotricha, Macrodasyida) from a sandy beach in southeastern Australia. New Zealand Journal of Marine and Freshwater Research 40(2): 249-258
Guanilo, A.D.; Flechtmann, C.H.W.; de Moraes, G.J. 2008: Two new species of Tetranychus Dufour (Acari: Tetranychidae) from Peru. International Journal of Acarology 34(3): 293-300
Zheng, Z.-min.; Jiang, G.-fang. 2003: Two new species of Tetrigidae from Shiwan mountains of Guangxi (Orthoptera: Tetrigoidea). Journal of Shaanxi Normal University Natural Science Edition. Sep; 313: 98-101 Sum No 97
Wei, S.-Zhen.; Zheng, Z.-Min. 2006: Two new species of Tetrigoidea (Orthoptera) from Beibuwan region of Guangxi, China. Acta Zootaxonomica Sinica. Apr; 312: 360-362
Zheng, Z.M.; Zhang, L.; Yang, L.; Wang, Y.F. 2006: Two new species of Tetrix Latreille from Xinjiang (Orthoptera: Tetrigidae). Journal of Huazhong Agricultural University ober; 25(5): 498-500
Okada, T. 1938: Two new species of Thaumaleidae, an unrecorded family of Diptera, Nematocera from Japan. Annotationes Zoologicae Japonenses 17: 388-394
Rose, H.A. 1965: Two new species of Thaumastocoridae (Hemiptera: Heteroptera) from Australia. Proceedings of the Royal Entomological Society of London (B): 34: 141-144
Matalin, A.V.; Wiesner, J. 2006: Two new species of Therates Latreille, 1817 from Vietnam (Coleoptera: Cicindelidae). Entomologische Zeitschrift 116(1): 37-39
Crosby, C.R. 1906: Two new species of Theridiidae. Canadian Entomologist, 38 308-310
Zhu, Y.; Yang, D.; Masunaga, K. 2006: Two new species of Thinophilus from China (Diptera: Dolichopodidae). Transactions of the American Entomological Society (Philadelphia) 132(1-2): 145-149
Chen, L-S. 1977: Two new species of Thripidae (Thysanoptera) from Tawain. Bulletin Inst Zool Acad Sinica 162: 145-149
Herrick, G.W. 1927: Two new species of Thrips (Thysanoptera). Ent Philadelphia: 276-281
Yakhontov, V.V. 1951: Two new species of Thrips (Thysanoptera) from Iran. Entomologicheskoe Obozrenie 31: 515-516
Ruckes, H. 1952: Two new species of Thyanta Stal (Pentatomidae, Heteroptera). Bulllyn ent. Soc., Lancaster, Pa: 65-68
Imamura, T.; Mitchell, R. 1967: Two new species of Thyasidae, Acarina from Nikko National Park, Japan. Annotationes Zoologicae Japonenses 40: 171-176
Moulton, D. 1935: Two new species of Thysanoptera in Argentina and records of other species. Anales de la Sociedad Cientifica Argentina 120(6): 254-261
Yakhontov, V.V. 1957: Two new species of Thysanoptera, which damage Ulmus pinnatoramosa in Kazakhstan. Zoologicheskii Zhurnal 36: 948-949
Dunn, L.H. 1933: Two new species of Ticks from Panama (Amblyomma tapirellum and A. pecarium). Parasitology Cambridge, Vol. 25(3): 353-358
Drake, C.J. 1931: Two new species of Tigava from South America (Hemiptera-Tingitidae). Proceedings of the Hawaiian Entomological Society 1929-30 Honolulu 7: 405-406
Beutenmuller, W. 1889: Two new species of Tineidae from the Aleutian Islands. Canadian Entomologist, XXI 27
Yosii, R. 1939: Two new species of Tomocerid Collembola from limestone caves of Japan. Annotationes Zoologicae Japonenses 18: 177-179
Oku, T. 1965: Two new species of Tortricidae from the Kurile Islands (Lepidoptera: Tortricidae). Kontyu Tokyo 33: 452-455
Stringer, H. 1929: Two new species of Tortricina (Lepidoptera). Annals and Magazine of Natural History Series 10: 3: 26-28
Grissell, E E. 2006: Two new species of Torymoides Walker (Hymenoptera: Torymidae) from the American southwest, with a key to Nearctic species. Proceedings of the Entomological Society of Washington 108(4): 765-773
Borovec, R.; Osella, G. 2002: Two new species of Trachyphloeus Germar, 1824 from Italy (Coleoptera Curculionidae). Annali del Museo Civico di Storia Naturale Giacomo Doria 94: 303-312
Canavan, W.P.N. 1937: Two new species of Trematodes, a Renifer Lechriorchis secundus n. sp. from Natrix s. sipedon and a Dicrocoelid Dicrocoelium proxillicens n. sp. from Kakatoe sulphurea. Journal of Parasitology Urbana 23: 478-481
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Robinson, A.G. 1968: Two new species of aphids (Homoptera: Aphididae) from Canada. Canadian Entomologist 100: 275-279
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Choate, J.R.; Hall, E.R.ymond 1967: Two new species of bats, genus Myotis, from a Pleistocene deposit in Texas. American Midland Natur 78(2): 531-533
Timberlake, P.H. 1947: Two new species of bees from Arizona (Hymenoptera, Apoidea). Pan-Pacific Entomologist 23: 26-30
Timberlake, P.H. 1928: Two new species of bees of the genus Perdita in the collection of the California Academy of Sciences. Pan Pacific Ent 5(1): 25-33
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Theron, PD. 1975: Two new species of the family Nanorchestidae (Acari: Endeostigmata) from pasture soil in South Africa. Wetenskaplike Bydr potchefstroom Univ (Naturwet), 63: 1-9
Sanyal, AK.; Saha, S.; Chakraborty, S. 2006: Two new species of the family Scheloribatidae (Acarina: Oribatida) from Tripura, India. Records of the Zoological Survey of India 106(2): 105-119
Zhu, M.S.; Tso, I Min 2006: Two new species of the family Sparassidae from Taiwan, with description of the female of Olios scalptor (Arachnida: Araneae). Bulletin of the British Arachnological Society ch; 13(7): 267-270
Nishikawa, M. 2006: Two new species of the family Spongiphoridae (Insecta, Dermaptera) from the Ryukyus, Japan, with notes on the late Dr Sakai's work on Dermaptera in 1999. Biogeography 8: 25-34
Habe, T. 1957: Two new species of the family Trimusculidae from Japan an 1 Formosa. Venus Fukuyama, 193/4: 157-163
Krabe, S. 1967: Two new species of the family Tubificidae from the Black Sea with remarks about various species of the subfamily Tubiflcinae. Spisy Prirodovedecke Fakulty Universita V Brne 485: 331-356
Mironov, S.V.; Wauthy, G. 2005: Two new species of the feather mite genus Dicrurobius Mironov, 2001 (Acari: Astigmata: Pteronyssidae) from drongos (Passeriformes: Dicruridae) in Africa. Zootaxa 1103: 27-39
Hernandes, F.A.; Valim, M.P. 2006: Two new species of the feather mite subfamily Pterodectinae (Acari: Astigmata: Proctophyllodidae) from Brazil. Zootaxa: 49-61
Gutherz, E.J.; Blackman, R.R. 1970: Two new species of the flatfish genus Citharichthys (Bothidae) from the western North Atlantic. Copeia, 340-348, 6 figs, 2 tabs.
Howe, H.V.McDonald, S.M. 1938: Two new species of the foramini-feral genus Marginulina from the Sarrento oil field, Louisiana. Geological Bulletin Department of Conservation Louisiana 13: 209-210
Dam, A.T. 1953: Two new species of the foraminiferal genus Lockhartia from Turkey. Turkiye Jeoloji Kurumu Bulteni 4: 80-92
Nozawa, K. 1939: Two new species of the freshwater suctorians, Pottsia and Metacineta. Annotationes Zoologicae Japonenses 18: 58-64
Biplob Kumar Modak; Saugata Basu; Durga Prasad Haldar 2008: Two new species of the genus Quadruspinospora Sarkar et Chakravarty, 1969 (Apicomplexa, Conoidasida) from grasshoppers (Insecta, Orthoptera). Acta Parasitologica 53(4): 321-329
Cross, E.A.; Krantz, G.W. 1964: Two new species of the genus Acarophenax Newstead and Duvali1918 (Acarina : Pyemotidae). Acarologie 6: 287-295
Chickering, A.M. 1964: Two new species of the genus Accola (Araneae, Dipluridae). Psyche Cambridge 71: 174-180
Kon, M.; Johki, Y.; Araya, K. 2003: Two new species of the genus Aceraius (Coleoptera, Passalidae) from Sumatra, with a key to the Sumatran species of Aceraius. Special Bulletin of the Japanese Society of Coleopterology 25 May; 6: 179-187
Tsuneki, K. 1977: Two new species of the genus Alysson Panzer (Hymenoptera, Sphecidae) in Japan. Kontyu 451: 26-32
Vainshtein, EB.; Abbasova, ED. 1974: Two new species of the genus Amblyseius (Parasitiformes, Phytoseiidae) from Azerbaidjan. Zoologicheskii Zhurnal 53(4): 796-798
Anastasieva, SA. 2002: Two new species of the genus Amphissites (Ostracoda) from the Devonian-Carboniferous boundary beds of northeast Russia. Novosti Paleontologii I Stratigrafii 5: 145-148
Toledo Piza, S. de jr. 1961: Two new species of the genus Anchocoema (Proscopiidae) from Argentine. Verhandlungen XI Internationaler Kongress fuer Entomologie Wien 1960: 196: 26-27
Sawada, K. 1961: Two new species of the genus Anisolinus Sharp from Japan (Col.: Staphylinidae). Entomological Review of Japan 13: 4-6
Taylor, E.H. 1939: Two new species of the genus Anomalepis Jan, with a proposal of a new family of Snakes. Proceedings of the New England Zoological Club 17: 87-96
Nomura, S. 1960: Two new species of the genus Anthicus from Japan (Coleoptera: Anthicidae). Entomological Review of Japan 11: 47-48
Mroczskowski, M. 1960: Two new species of the genus Anthrenus Geoffr. from the Tadzhik S.S.R. (Coleoptera, Dermestidae). Bull polon. Sci., Warsaw (Zool.): 591-593
Kania, J.; Wiater, J. 2006: Two new species of the genus Antinia Pascoe, 1871 from China (Coleoptera: Curculionidae: Entiminae). Genus (Wroclaw). 30 September; 173: 381-389
Song, D.; Chen, J. 2003: Two new species of the genus Apanteles Foerster s. str. from China (Hymenoptera: Braconidae: Microgastrinae). Serangga 81-2: 1-12
Yefremova, Z.A.; Yegorenkova, EN. 2005: Two new species of the genus Aprostocetus Westwood from Ul'yanovsk Province of Russia (Hymenoptera: Eulophidae, Tetrastichinae). Zoosystematica Rossica 141: 155-160
Kormilev, N.A. 1970: Two new species of the genus Aradus F., 1803, from Palaearctic region (Hemiptera: Aradidae). Armin naturh. Mus. Wien 74: 201-204
Mao, B.; Ren, G.; Ou, X. 2007: Two new species of the genus Assamacris (Orthoptera: Acrididae: Catantopinae) from Yunnan, China. Zootaxa 1516: 61-68
Kononenko, V. 2005: Two new species of the genus Athetis Huebner, (1821) 1816 from Taiwan (Lepidoptera: Noctuidae: Hadeninae s. 1.). Mitteilungen des Internationalen Entomologischen Vereins E.V. Frankfurt A.M. 30(1-2): 15-19
Miyazaki, M. 1968: Two new species of the genus Aulacorthum Mordvilko from Japan (Homoptera: Aphididae). Insecta Matsumurana 30: 125-128
Valerio, A.; Whitfield, J. 2005: Two new species of the genus Austrocotesia Austin & Dangerfield (Hymenoptera: Braconidae) from the Andean region of South America. Zootaxa 888: 1-11
Kaiser, S.; Brandt, A. 2007: Two new species of the genus Austroniscus Vanhoeffen, 1914 (Isopoda: Asellota: Nannoniscidae) from the Antarctic shelf. Zootaxa 1394: 47-68
Mayo, V.K. 1968: Two new species of the genus Baetodes from Ecuador. (Ephemeroptera: Baetidae). Pan-Pacific Entomologist 44: 251-257
Khalaim, A I. 2002: Two new species of the genus Barycnemis Foerster from Mexico (Hymenoptera: Ichneumonidae, Tersilochinae). Zoosystematica Rossica 25 December; 111: 167-169
Nomura, S. 2007: Two new species of the genus Batrisodes (Coleoptera, Staphylinidae, Pselaphinae) from Taiwan. Elytra 35(1): 76-84
Nakane, T.; Ohbayashi, K. 1958: Two new species of the genus Benibotarus Kono from Japan (Coleoptera: Lycidae). Akitu Kyoto 7: 79-80
Habe, T. 1976: Two new species of the genus Bent hovoluta Kuroda et Habe from the western Pacific. Venus Tokyo 353: 97-100
Miyatake, M. 1963: Two new species of the genus Bledius s.str. from Shikoku, Japan (Coleoptera: Staphylinidae). Transactions of the Shikoku Entomological Society 7: 106-110
Yin, X.; Wang, W. 2005: Two new species of the genus Bryodemella (s. str.) from China (Orthoptera: Oedipodidae). Zootaxa 973: 1-7
Okutani, T. 1977: Two new species of the genus Buccinum from bathyal zone in Sagami Bay, Japan (Gastropoda; Buccinidae). Venus Tokyo 362: 73-80
Miller, M.C. 1970: Two new species of the genus Caldukia Burn & Miller, 1969 (Mollusca: Gastropoda: Opisthobranchia) from New Zealand waters. Veliger 12: 279-289
Reimer, R.D. 1966: Two new species of the genus Cambarus from Arkansas (Decapoda, Astacidae). Tulane Studies in Zoology 13: 9-15
Taguchi, H. 1977: Two new species of the genus Camptoptera from Taiwau (Hymenoptera: Mymaridae). Transactions Shikoku ent. Soc 13(3-4): 143-146
Mao, B.; Ren, G.; Ou, X. 2006: Two new species of the genus Caryanda Stal (Orthoptera, Acridoidea) from Yunnan Province, China. Acta Zootaxonomica Sinica 31(4): 826-831
Kazenas, VL. 2005: Two new species of the genus Cerceris Latreille (Hymenoptera, Crabonidae) from the sand desert Saryesik-Atyrau (southeastern Kazakhstan). Tethys Entomological Research 11: 31-34
Kovarik, F. 2005: Two new species of the genus Chaerilus Simon, 1877 from Malaysia (Scorpiones: Chaerilidae). Euscorpius ust; 26: 1-7
Stach, J. 1958: Two new species of the genus Charimachilis Wyg. (Thysanura, Machilidae). Acta Zoologica Cracoviensia 3: 49-64
Shamshev, I.; Grootaert, P. 2005: Two new species of the genus Chersodromia Walker (Diptera: Hybotidae) from Southeast Asia. Zootaxa 942: 1-10
Smiley, R.L. 1965: Two new species of the genus Cheyle-tiella (Acarina, Cheyletidae). Proceedings of the Entomological Society of Washington 67: 75-79
Wainwright, C.J. 1911: Two new species of the genus Chilosia Mg. Entomologist's Monthly Magazine 47: 107-110
Tighe, K.A.; McCosker, J.E. 2003: Two new species of the genus Chlopsis (Teleostei: Anguilliformes: Chlopsidae) from the southwestern Pacific. Zootaxa 236: 1-8
Ivanov, EV.; Tobias, VI. 2006: Two new species of the genus Chorebus Haliday (Hymenoptera: Braconidae: Alysiinae: Dacnusini) from Azerbaijan. Russian Entomological Journal 14(3): 223-225
Bradley, G.A. 1957: Two new species of the genus Cinara Curtis (Homoptera: Aphididae) from Picea mariana (Mill.). BSP Canad Ent Ottawa 88(1956): 706-708
Luchnik, V. 1926: Two new species of the genus Clivina Latr. (Col.). Acta Societatis Entomologicae Stauropolitanae 2: 31-32
Zhang, F.; Zhu, M.S.; Song, D.X. 2007: Two new species of the genus Clubiona from Xizang autonomous region, China (Araneae: Clubionidae). Liaoning Shifan Daxue Xuebao Ziran Kexue Ban ; 30(1): 90-92
Watanabe, C. 1963: Two new species of the genus Coelinidea Viereck, parasites of stem flies of economic importance, occurring in Japan (Hymenoptera: Braconidae). Mushi 37: 13-17
Kovarik, F.; Ahmed, Z. 2007: Two new species of the genus Compsobuthus Vachon, 1949 from Afghanistan and Pakistan (Scorpiones: Buthidae). Euscorpius 5(3): 1-6
Makarova, NG. 1972: Two new species of the genus Copidognathus (Acarina.Halacaridae) from the littoral zone of the Kuril lslands. Zoologicheskii Zhurnal 51(9): 1575-1578
Inoue, H. 2004: Two new species of the genus Craspedosis Butler from New Guinea (Geometridae, Ennominae). Tinea 18(3): 209-211
Inoue, H. 2004: Two new species of the genus Craspedosis Butler from the Moluccas, Indonesia (Geometridae, Ennominae). Tinea 18(1): 1-4
Jairajpuri, M.S. 1963: Two new species of the genus Criconemoides Taylor, 1936 (Nematoda : Criconematidae) from North India. Nematologica 9: 381-385
Zheng, Z.-Min.; Xie, L.-De. 2002: Two new species of the genus Criotettix Bolivar from Guangxi (Tetrigoidea: Scelimenidae). Acta Entomologica Sinica 4(5): 6-8(Suppl)
Sato, R. 2003: Two new species of the genus Ctenognophos Prout (Geometridae, Ennominae) from the Himalayas. Transactions of the Lepidopterological Society of Japan 54(4): 241-247
Sundukov, Y.N. 2001: Two new species of the genus Curtonotus Stephens (Coleoptera, Carabidae) from the southern Russian Far East. Entomologicheskoe Obozrenie 80(2): 436-442; 543
China, W.E. 1953: Two new species of the genus Cyrtopeltis (Hemiptera) associated with sun dews in Western Australia. Western Australian Naturalist 4: 1-8
Zimin, L.S. 1945: Two new species of the genus Dasy-phora Rob.-Desv. (Diptera, Muscidae) from Middle Asia.. Revue d'Entomologie de l'URSS. 28: 116-120
Grossu, A.V. 1960: Two new species of the genus Daudebardia (Terrestrial Gastropoda). Proceedings of the Malacological Society of London 34: 174-180
Verseveldt, J. 1960: Two new species of the genus Dendronepkthya Kukenthal (Coelenterata: Octocorallia). Proceedings Nederlandse Akademie van Wetenschappen Amsterdam, 63C4: 511-517
Legalov, AA. 2006: Two new species of the genus Deporaus Sam. (Coleoptera: Rhynchitidae) from the Russian Far East and China. Far Eastern Entomologist 16(4): 1-6
Song, Z.; Liang, A. 2006: Two new species of the genus Dictyopharina Melichar (Hemiptera, Fulgoroidea, Dictyopharidae) from Southeast Asia. Acta Zootaxonomica Sinica 31(3): 595-600
Sugonjaev, E.S. 1971: Two new species of the genus Discodes First(Hymenoptera, Chalcidoidea) with the reference on food specialization. Zoologicheskii Zhurnal 50: 291-295
Komatsn, T. 1970: Two new species of the genus Dolichocybaeus from Japan. Acta arachn. Tokyo 23: 13-16
Negrobov, OP.; Barkalov, AV. 1977: Two new species of the genus Dolichopus Latr. (Diptera, Dolichopodidae) from the Mongolian People's Republic and the USSR. Nasekomye Mongol 5: 688-693
Kadlec, S. 2006: Two new species of the genus Dorcadion Dalman, 1817 from Iran and Turkey (Coleoptera: Cerambycidae: Lamiinae). animma 6: 8-15
Mueses-Cisneros, J.Jairo 2007: Two new species of the genus Eleutherodactylus (Anura: Brachycephalidae) from Valle de Sibundoy, Putumayo, Colombia. Zootaxa 1498: 35-43
Mu, F.-Hong.; He, T.-Li.; Wang, Y.-Wen. 2002: Two new species of the genus Elimaea Stal from China (Orthoptera: Tettigonioidea, Phaneropteridae). Acta Entomologica Sinica 4(5): 25-27(Suppl)
Kamijo, K. 1960: Two new species of the genus Epilampsis Delucchi from Japan (Hymenoptera, Eulophidae). Insecta Matsumurana 23: 21-24
Fernando, CH.; Hanek, G. 1973: Two new species of the genus Ergasllus Nordmann 1932, (Copepoda, Ergasilidae) from Ceylon. Crustaceana 251: 13-20
Baba, K. 1960: Two new species of the genus Eubranchus from Japan (Nudibranchia-Eolidacea). Publications of the Seto Marine Biological Laboratory 8: 299-302
Trybom, F. 1904: Two new species of the genus Euconaxius. Arkiv för Zoologi: 383-393
Krajcik, M. 2005: Two new species of the genus Euselates Thomson from southeast Asia (Scarabaeidae: Cetoniinae). animma.x 9: 13-18
Dusbabek, F. 1968: Two new species of the genus Ewingana (Acarina: Myobiidae) from Cuba. Folia Parasitologica 15: 67-74
Zaitzev, VF. 1972: Two new species of the genus Exoprosopa (Diptera, Bombyliidae) from Middle Asia and Mongolia. Zoologicheskii Zhurnal 51(9): 1585-1588
Akiyama, H. 2005: Two new species of the genus Falsonerdanus and a new subspecies of the genus Pseudonerdanus (Coleoptera, Oedemeridae) from northern Borneo, east Malaysia. Elytra 33(1): 183-191
Volgin, VI.; Dzhumaev, A. 1972: Two new species of the genus Forcellinia Oudemans 1924 (Acariformes, Acaridae) from Turkmenia. Trudy zool Inst Leningr 52: 257-260
Gao, Y.; Yin, W. 2006: Two new species of the genus Friesea (Collembola: Neanuridae) from north-west China. Zootaxa 1283: 63-68
Engelbrecht, CM. 1972: Two new species of the genus Galumna von Heyden, 1826 (Galumnidae: Oribatei) from South Africa. Navorsinge van die Nasionale Museum (Bloemfontein): 29: 244-248
Ahmad, I.; Yasmeen, N. 1977: Two new species of the genus Gargara Amyot et Serville (Homoptera: Centrotinae) from Karachi, Pakistan. Proceedings Ent Soc Karachi, 3,1973: 61-69
Kuslitzkii, VS. 1973: Two new species of the genus Glypta (Hymenoptera, Ichneumonidae) from the Asiatic part of the USSR. Zoologicheskii Zhurnal 52(10): 1582-1584
Cagle, F.R. 1954: Two new species of the genus Graptemys. Tulane Studies in Zoology 1(11): 165-186
Gupta, PD.; Nandi, NC. 1976: Two new species of the genus Hartertia Seurat 1915 (Nematoda: Spiruridae) from Rajasthan, lndia. Journal of the Bombay Natural History Society 723: 804-808: 1975
Gupta, PD.; Nandi, NC. 1976: Two new species of the genus Hartertia Seurat, 1915 (Nematoda: Spiruridae) from Rajasthan, India. Journal of the Bombay Natural History Society 723: 804-808: 1975
Lin, S.I.; Hsu, Y. c.; Wen, T. w.; Hsu, Y. h. 1965: Two new species of the genus Helenicula (Studies on Tsutsugamushi pt. 42). Acta Zootaxonomica Sinica 2: 141-145
Waseem, M. 1961: Two new species of the genus Helicoty-lenchus Steiner, 1945 (Nematoda: Hoplolaiminae). Canadian Journal of Zoology 39(4): 505-509
Wang MingFu; Zhang Dong; Wang RongRong 2008: Two new species of the genus Helina Robineau-Desvoidy (Diptera: Muscidae) from China with revised diagnosis on the Chinese species. Annales de la Societe Entomologique de France 44(2): 139-144
Ritsema, C. 1891: Two new species of the genus Helota from Borneo. Notes from the Leyden Museum, XIII 197-201
Ritsema, C. 1901: Two new species of the genus Helota from British Bhotan. Notes from the Leyden Museum, XXII 27-32
Ritsema, C. 1894: Two new species of the genus Helota from Burma. Notes from the Leyden Museum, XVI 97-109
Zhang, L.; Yang, D.; Masungaga, K. 2005: Two new species of the genus Hercostomus from Taiwan, China (Diptera, Dolichopodidae). Zootaxa 14: 1-8
Hirashima, Y. 1952: Two new species of the genus Heriades from the North Pacific islands (Hym., Megachilidae). Insecta matsumoro: 38-40
Greene, C.T. 1940: Two new species of the genus Hermetia (Stratiomyiidae-Diptera). Proceedings of the Entomological Society of Washington 42: 150-155
Komatsu, H.; Takeda, M. 2005: Two new species of the genus Heteronucia (Crustacea: Decapoda: Brachyura: Leucosiidae) from Japan. Proceedings of the Biological Society of Washington 118(4): 731-741
Liu, C. z.; Yuan, Y. m. 1963: Two new species of the genus Hirstionyssus Fonseca1948off Myospalax psilurus from Shensi Province, China (Acarina, Liponyssidae). Acta Zoologica Sinica 15: 433-437
Hsu, C. f.; Ma, A. s. 1964: Two new species of the genus Hirstionyssus from Hupei (Acarina: Macronyssidae). Acta Zootaxonomica Sinica 1: 341-344
Cheng, C.L.; Yin, S. k.; Chang, C. c. 1965: Two new species of the genus Hirstionyssus from Kirin Province, China. Acta Zootaxonomica Sinica 2: 163-167
Juvara-Bals, I.; Witalinski, W. 2006: Two new species of the genus Holoparasitus Oudemans from the Mediterranean basin - Algeria and Sardinia (Acari: Gamasida: Parasitidae). Genus (Wroclaw). 30 September; 173: 437-448
Cresson, E.T. jr. 1934: Two new species of the genus Hydrellia from Mount Desert, Maine (Diptera: Ephydridae). Entomological News 45: 234-236
Watson, W.Y. 1960: Two new species of the genus Hyperaspis (Coieoptera: Coccinellidae). Canadian Entomologist 92: 230-234
Ashraf, SA.; Khanum, Z.; Farooq, M. 1977: Two new species of the genus Indocucullanus Ali 1956 from the marine fishes of Karachi coast, Pakistan. Pakistan Journal of Zoology 91: 59-63,illus.
Wang, S.-Xia.; Liu, Y.-Qiao.; Li, H.-Hun. 2002: Two new species of the genus Irepacma from China (Lepidoptera: Oecophoridae). Acta Entomologica Sinica 4(5): 64-66(Suppl)
Sato, M. 2002: Two new species of the genus Ischalia (Coleoptera, Anthicidae, Ischaliinae) from the Philippines. Elytra 30(2): 331-334
Tite, G.E. 1960: Two new species of the genus Jamides (Lepidoptera Lycaenidae). Bulletin of the British Museum (Natural History) Entomology 9: 333-336
Cushman, R.A. 1934: Two new species of the genus Labium Brulle (Hym. : Ichneumonidae). Arbeiten ueber Morphologische und Taxonomische Entomologie Berlin 1: 205-208
Kamite, Y.; Ogata, T.; Hikida, N. 2007: Two new species of the genus Laccobius (Coleoptera, Hydrophilidae) from Japan. Elytra 35(1): 34-41
Wattal, B.L. 1974: Two new species of the genus Laelaps (Acari: Dermanyssidae) from small mammals in India. Annotationes ZoolBratislava: 1-10
Kawashima, I. 2007: Two new species of the genus Lamellipalpodes (Coleoptera, Lampyridae) from Indochina, Southeast Asia. Elytra 35(1): 119-128
Suzuki, S. 1966: Two new species of the genus Leiobunum (Leiobunidae, Opiliones) from East Asia. Annotationes Zoologicae Japonenses 39: 160-168
Dombrow, H. 2001: Two new species of the genus Lepithrix Serville from the Northern and Western Cape Province of the Republic of South Africa. (Coleoptera: Scarabaeidae: Melolonthinae: Hopliini). 15th contribution to the knowledge of African Hopliini. Coleoptera (Schwanfeld) 5(2): 427-432
Bei Bienko, G.Ya 1956: Two new species of the genus Letana Walk. (Orthoptera, Tettigoniidae) from tropical Asia. Ent., Moscow: 648-651
Kishii, T. 2002: Two new species of the genus Limoniscus Reitter, 1905 (Coleoptera: Elateridae) from Hokkaido, Japan. Entomological Review of Japan 57(2): 129-138
Nagai, S.; Tsukamoto, K. 2003: Two new species of the genus Lucanus (Coleoptera, Lucanidae) from Indochina. Special Bulletin of the Japanese Society of Coleopterology 25 May; 6: 201-205
Dotsu, Y. 1976: Two new species of the genus Luciogobius (family Gobiidae) from Japan. Japanese Jyol: 125-129
Simone, L.R.cardo L.; Birman, A. 2006: Two new species of the genus Margarites (Vetigastropoda: Trochidae) from Brazil. Novapex 10 mars; 71: 13-16
Shinomiya, S.; Sakai, K. 2005: Two new species of the genus Megokris (Decapoda, Penaeidae) from the Persian Gulf. Crustaceana (Leiden) 781: 1219-1232
Collin, J.E. 1937: Two new species of the genus Meoneura (Diptera, Carnidae). Entomologist's Monthly Magazine 73: 250-252
Du, Y.; Wang, Z.; Zhou, P. 2007: Two new species of the genus Mesonemoura and redescription of M. spiroglagellate (Plecoptera: Nemouridae) from China. Zootaxa 1495: 47-52
Sun, L.; Xiao, H.; Xu, H.-Fu. 2005: Two new species of the genus Mesopolobus Westwood (Hymenoptera, Pteromalidae) from China. Acta Zootaxonomica Sinica. Oct; 304: 831-834
Miyatake, M. 1977: Two new species of the genus Micraspis Dejean from Japan (Coleoptera: Coccinellidae). Transactions Shikoku ent. Soc 13(3-4): 109-113
Xu, W.-An.; He, J.-Hua. 2002: Two new species of the genus Microgaster Latreille (Hymenoptera: Braconidae, Microgastrinae) from China. Acta Entomologica Sinica 4(5): 103-106(Suppl)
Plavil'shchikov, N.N. 1954: Two new species of the genus Molorchus F. (Coleoptera, Cerambycidae) from China. Entomologicheskoe Obozrenie 32: 287-289
Krishnamurthy, R. 1967: Two new species of the genus Monocercomonoides Travis, 1932 (Protozoa, Mastigophora) from reptiles. Proceedings of the Indian Academy of Sciences, 66B 184-191