A re-examination of the taxonomy of the Chorthippusalbomarginatus group in Europe on the basis of songand morphology (Orthoptera: Acrididae)

摘要

A study of European sibling species of the Chorthippus albomarginatus group showsthat the males could be well distinguished on the basis of the number and densityof the stridulatory pegs. We recorded and analysed the calling and courtship songsof the males, as well as the stridulatory movements of the hind legs. Analysis of thestridulatory leg movements allowed us to reveal more differences between both thecourtship songs and the calling songs of the European species of this group. On the basis of the morphology, calling and courtship song analysis, we describe a newspecies, Ch. ferdinandi sp. n., from Greece (Peloponnesus) and a new subspecies,Ch. oschei pusztaensis ssp. n., from the Balkans, Hungary, Moldova and Ukraine.Ch. bruttius Fontana & La Greca, 1999 is classified as a subspecies of Ch. karelini.We describe the phylogenetic relations between the European species of theCh. albomarginatus group based on the courtship song complexity and courtshipvisual display.