Studies on control of house flies in Egypt by chemosterilants. V. Mating competitiveness of laboratory and wild strains of Musca domestica vicina

Hafez, M.; Osman, M.F.; Omar, M.S.

Journal of Economic Entomology 64(4): 967-969


ISSN/ISBN: 0022-0493
PMID: 4110372
DOI: 10.1093/jee/64.4.967
Accession: 017159282

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Tests are described in this fifth part of a series, in which laboratory-reared males of Musca domestica vicina Macq. that had been sterilised by ingesting food containing 0.6% apholate, 0.8% hempa or 0.6% tepa or apholate for five days after emergente competed at least as successfully as untreated laboratory-reared males for untreated laboratory-reared females in small cages. The laboratory-reared sterilised males mated readily with untreated wild-caught females in cages of 50X50X50 cm and were sometimes more competitive than untreated wild-caught males for the females, especially in the case of tepa-sterilised males. In a cage 2X2X2 m, tepa-sterilised males were slightly less competitive for wild-caught females than were wild-caught males. Males sterilised with 1% metepa gave inconsistent results or were less competitive in tests in the smaller cages than were normal males.