Abstract
Isophya kraussii Brunner von Wattenwyl, 1878, one of the widest spread bush-crickets within this genus, is confirmed to be present east of the Carpathian Mountains. Based on acoustic analysis and morphological characters, the populations from NE Romania are considered to belong to a different subspecies, I. kraussii moldavica ssp. n. A map with distribution of both subspecies is presented.
Highlights
After Poecilimon, Isophya is the second largest Phaneropteridae genus in Europe, comprising more than 45 species
Based on acoustic analysis and morphological characters, the populations from NE Romania are considered to belong to a different subspecies, I. kraussii moldavica ssp. n
The bush–cricket Isophya kraussii has one of the largest distribution areas known within this genus: Central Europe, reaching its easternmost limit in NE Romania
Summary
After Poecilimon, Isophya is the second largest Phaneropteridae genus in Europe, comprising more than 45 species (we will treat Phaneropteridae as family, following Chobanov & Heller 2010). It is difficult regarding the identity of species, which have to be recognized mainly by oscillographic song analysis and by studying subtle morphological characters including shape of cerci, tegmina and ovipositor. With the first songs recorded, we were able to determine that the species is clearly Isophya kraussii, and even more: the populations from NE Romania form a new subspecies
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