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Sarcophagides (Diptera) parasites de Porthetria dispar (L.) en Sardaigne et leur cartographie dans le réseau U. T. M.

Abstract

Eight species of Sarcophagan dipterans we obtained from laboratory cultures of Porthetria dispar (L.), a defoliator of cork oak forests in Sardinia. Of these species: - Parasarcophaga exuberans Pand. and Parasarcophaga portschinskyi Rohd. are new to the italian fauna; - Parasarcophaga tibialis Macq., Parasarcophaga tuberosa Pand., Parasarcophaga uliginosa Kram. and Pseudosarcophaga affinis Fall. are new to the sardinian fauna; - Parasarcophaga exuberans Pand., Parasarcophaga misera Walk., Parasarcophaga tuberosa Pand. and Thyrsocnema corsicana Vill. are described as being entomophagous for the first time. P. dispar is previously unrecorded as a host of Parasarcophaga tibialis Macq., while for Parasarcophaga uliginosa Kram. this host has been hitherto unrecorded in Europe. Biogeographical data for these species were analysed in terms of their spatio-temporal dinamics, using a 10 km x 10 km grid U. T. M. map of Sardinia for reference. Using the metodology of the international project of the European Invertebrate Survey, (chairman: Prof. Dr. JEAN LECLERCQ, Gemblaux-Belgium), U. T. M. code Jists of aIl Sardinian towns were compiled

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