Variación estacional de tres especies de <i>Culex</i> (Díptera: Culicidae) y sus parásitos y patógenos en Punta Lara, provincia de Buenos Aires, Argentina

Abstract

The seasonality of immatures, imagoes and pathogens of Culex dolosus Lynch Arribálzaga, Culex intrincatus Brethes and Culex maxi Dyar from Punta Lara (Buenos Aires proyince, Argentina) was monitored weekly (larvae and pupae) or fortnight1y (adults), from 1989 to 1991. Culex dolosus was present during al! months. The laryae were parasitized by Geotrichum candidum Link ex Person, Smittium morbosum yar. rioplatensis López Lastra, Coelomomyces sp., Achlya sp, Amblyospora dolosi García & Becnel and Strellwvimermis spiculatus Poinar & Camino. Conidia of Hyphomycetes, filarial worrns of Onchocercidae and S. spiculatus were detected in adults. Cx. intrinca tus was present from January to May; the immatures were parasitized by G. candidum, S. morbosum, Achlya sp. and Amblyospora sp. Larvae of Cx. maxi were collected from January to April, and adults in a1l months except for June and July. S. morbosum was the only parasite found in this mosquito.