DOI: 10.3897/contrib.entomol.72.e87233

Authors: Volker Brachat, Volker Assing

Abstract: Three microphthalmous and presumably locally endemic species of Tychobythinus Ganglbauer, 1896, a pselaphine genus previously unknown from Georgia, are described and illustrated: T. meskheticus spec. nov. (Southwest Georgia: Meskheti Range), T. eximius spec. nov. (Northwest Georgia: Egrisi Range), and T. egrisicus spec. nov. (Northwest Georgia: Egrisi Range). Tychobythinus eximius is particularly remarkable in that it is subject to a unique sexual dimorphism of the antennae and the pronotum. Including the new species, Tychobythinus is now represented in the Palaearctic region by 95 named species and two subspecies. 

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DOI: 10.3897/contrib.entomol.72.e87234

Authors: Volker Brachat, Volker Assing

Abstract: Two species of Bergrothia Reitter, 1884, a small Caucasian genus of Amauropini, are described and illustrated: B. svanetica spec. nov. (Georgia: Svaneti region) and B. simplex spec. nov. (Northeast Turkey: Ordu, Giresun). Including the new species, the genus now includes a total of nine species distributed in Georgia (six species), Northeast Turkey (three species), and Azerbaijan (one species). Based on abundant material collected during seven field trips conducted to Georgia between 2016 and 2021, the partly allo- and partly sympatric distributions of the Bergrothia species in Georgia are clarified and mapped. All of them are confined to the west of the country.

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