Abstract

SCHNACK, Juan A.  and  MARILUIS, Juan C.. Calliphoridae (Diptera) from Southeastern Argentinean Patagonia: Species Composition and Abundance. Rev. Soc. Entomol. Argent. [online]. 2004, vol.63, n.1-2, pp.85-91. ISSN 0373-5680.

Species composition and spatial and temporal numerical trends of blow flies (Diptera, Calliphoridae) species from three southeastern Patagonia localities: Río Grande (53° 48' S, 67° 36' W) (province of Tierra del Fuego), Río Gallegos (51° 34' S, 69° 14' W) and Puerto Santa Cruz (50° 04' S, 68° 27' W) (province de Santa Cruz) were studied during November, December (1997), and January and February (1998). Results showed remarkable differences of overall fly abundance and species relative importance at every sampling site; nevertheless, they shared a poor species representation (S £ 6). The cosmopolitan Calliphora vicina Robineau-Desvoidy, the nearly worldwide Lucilia sericata (Meigen), and the native Compsomyiops fulvicrura (Robineau-Desvoidy) prevailed over the remaining species. Records of Protophormia terraenovae (Robineau-Desvoidy), a species indigenous to the Northern Hemisphere are noteworthy.

Keywords : Calliphoridae; Patagonia; Species Composition; Spatial and Temporal Numerical Trends.

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