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Observations on wolbachiae in mosquitoes

1980; Elsevier BV; Volume: 35; Issue: 2 Linguagem: Inglês

10.1016/0022-2011(80)90185-8

1096-0805

John D. Wright, Bao-Tyan Wang,

Parasitic Diseases Research and Treatment

A slightly modified Giemsa smear procedure consistently demonstrated Wolbachia pipientis in Culex pipiens and the Wolbachia species of infected members of the Aedes scutellaris group. Aposymbiosis was induced in Aedes polynesiensis by treatment with 0.017 mg/ml tetracycline hydrochloride or by rearing larvae at temperatures of 32–33°C for 5–7 days. Aposymbiotic females were incompatible with infected males but the reciprocal cross was fertile. By light and electron microscopy wolbachiae were found in ovaries of Aedes albopictus, A. cooki, A. Niuafo'ou sp., A. polynesiensis from American Samoa and Tahiti, A. riversi, A. Tafahi sp., and A. upolensis. Wolbachiae were not detected in A. alcasidi, A. oceanicus, A. triseriatus, Culex peus, two laboratory colonies of C. pipiens, Culiseta incidens, Toxorhynchites amboinensis, or T. brevipalpis. Wolbachiae were found also in the ovarian follicular epithelium of A. albopictus. This is the first record of mosquito wolbachiae in nongerminal gonadal tissue.