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Journal Article

Geographische Rassen und Verbreitungsgeschichte von Capnopsis schilleri (Plecoptera, Capniidae)

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Zwick, Peter
Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Zwick, P. (1984). Geographische Rassen und Verbreitungsgeschichte von Capnopsis schilleri (Plecoptera, Capniidae). Deutsche Entomologische Zeitschrift, 31(1/3), 1-7.

Abstract

The stonefly Capnopsis schilleri (Rostock, 1982) is divided into 3 subspecies: ssp. schilleri (Tunisia, southwest, center and north of Europe; lectotype designated) and the new ssp. balcanica (Balkan Peninsula) and spp. archaica (Caucasus, Armenia, Azerbeidshan). Different degrees of hindwing shortening, varying numbers of cercus segments, and differences of pilosity are the main distinctive characters. Ssp. archaica is clearly the most primitive, ssp. schilleri the most derived subspecies. The former assumption of a Pleistocene immigration to central Europe from the north is therefore no longer tenable. Instead, the species is now thought to have originated in the southeast and to have spread westward before and from central to north Europe during the Pleistocene. Details of the presumedly complex migrations remain unknown.