Asymmetric Mating Interference between Two Related Mosquito Species: Aedes (Stegomyia) albopictus and Aedes (Stegomyia) cretinus
作者： Athanassios Giatropoulos , Dimitrios P. Papachristos , George Koliopoulos , Antonios Michaelakis , Nickolaos Emmanouel
DOI: 10.1371/JOURNAL.PONE.0127762
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摘要: Aedes (Stegomyia) albopictus (Skuse) and cretinus Edwards are closely related mosquito species with common morphological features bio-ecological similarities. Recent surveillance in Athens, Greece, showed that they sympatric species, Ae. Albopictus developing quite higher population densities than Cretinus. The potential of mating interference between these was investigated by reciprocal homologous experiments cages under laboratory conditions. In non-choice interspecific crosses (groups males females) females both produced sterile eggs. Insemination rate 58% for Cretinus only 1% females. were sexually aggressive inseminated (31%) choice experiments, where one had access to mate species. Whereas, the co-occurrence weaker (4%). from crossing or paired individually conspecific males. percentage fertile 17.5% when encaged before males, compared 100% only. Probable ecological consequences asymmetric ecologically nature discussed.
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