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Natural enemies of mealy plum aphid hyalopterus arundinis fabricius aphididae homoptera in kashmir india

Bhagat, K.C.; Masoodi, M.A.

Journal of Advanced Zoology 9(2): 145-147

1988


ISSN/ISBN: 0253-7214
Accession: 007583107

Ten predatory insects and one parasitoid [Coccinella undecimpunctata, Adalia tetraspilota, Hippodamia variegata, Seymenus gracilis, Episyrphus balteatus, Eumerus nepalensis, Sphaerophoria indiana, Syrphus sp., Anthocoris sp., Chrysoperla carnea, and Trioxys rishii] were found attacking mealy plum aphid, Hyalopterus arundinis Fabr. in Kashmir valley. The appearance of aphidophagous predators synchronized with the growth of aphid colonies in mid April, 1987. Maximum activity of natural enemies was observed in the first week of June when as many as 925 nymphs and 21 winged adult aphids were counted on randomly selected 10 leaves from infested plum trees. The aphids were preyed upon by predaceous coccinellids, syrphids, chrysopids and anthocorid predators resulting in natural control. Syrphid flies and ladybird beetles are considered to be important natural enemies of H. arundinis infesting plum plantation.

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