Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Stránky	229-251
DOI	10.1515/aemnp-2017-0071
Klíčová slova	Diptera, Periscelididae, Periscelis fugax sp. nov., P. winnertzii, taxonomy, key, morphology, male genitalia, female terminalia, biology, distribution
Citace	ROHÁČEK, Jindřích a ANDRADE, Rui. Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia. Acta Entomologica Musei Nationalis Pragae. Prague: National Museum, 2017, 57(1), 229-251. DOI: https://doi.org/10.1515/aemnp-2017-0071. ISSN 0374-1036 (print) 1804-6487 (online). Also available from: https://www.nm.cz/periodicals/aemnp/57-1/periscelis-fugax-sp-nov-an-overlooked-european-species-of-periscelididae-diptera-with-notes-on-the-morphology-and-terminology-of-terminalia

Acta Entomologica Musei Nationalis Pragae | 2017/57/1

Periscelis (Periscelis) fugax sp. nov. is described and illustrated based on series of specimens from Portugal and the Czech Republic. It is probably widespread in Europe but has not been previously recognized from the closely related and externally very similar P. (P.) winnertzii Egger, 1862. The new species differs from P. winnertzii not only in structures of the male and female terminalia (illustrated) but also in colour pattern of pedicel and mesonotum. Morphology of the male and female terminalia is studied in detail in both these species and terminology of their structures is discussed and redefined. A new modern key to Palaearctic species of Periscelis (s. str.) species is constructed.

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