Activities of tabanids (Diptera, Tabanidae) attacking domestic duck-Cairina moschata (Linnaeus) (Aves, Anatidae), introduced in a forest area in the Central Amazon, Manaus, Brazil

Muscovy Duck (Cairina moschata) Science Article 1

abstract

Presented here are the feeding habits, attack behavior, daily and annual activity of adult of Phorcotabanuscinereus (Wiedeman, 1821), Chrysops laetus (Fabricius, 1805) and Phaeotabanus cajennensis (Fabricius, 1787), whilebiting a domestic duck, Cairina moschata (Linnaeus, 1758). The last two species were recorded for the first timeattacking birds. This study comprehended monthly observations of two consecutive days from April/97 to March/98between 5:30 a.m. and 6:30 p.m. at the Army Instructional Base ((BI-2/CIGS) near Manaus. Annual occurrence of P.cinereus was from July to September, with a daily occurrence between 9:00 a.m. and 5:00 p.m. and highest activity at12:00 a.m. and 2:00 p.m. C. laetus ocurred from June to October; with a daily occurrence between 8:00 a.m. and 3 p.m.and highest activity at 11:00 and 12:00 a.m. Occurrence of P. cajennensis with one specimen only, was in July between10:00 and 11:00 a.m.

Ruth L. M. Ferreira & Jose A. Rafael, Revista Brasileira de Entomologia 48(2): 283-286

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