Thiotrichasumpichi sp. nov. - a new species of Thiotrichinae (Lepidoptera, Gelechiidae) from south-eastern Europe.

Thiotrichasumpichi sp. nov. is described from Greece and Croatia. The systematic position of the new species within Thiotricha is discussed based on external and genitalia characters and from DNA barcodes of the mitochondrial COI gene (cytochrome c oxidase 1). Adults, details of external morphology, and male and female genitalia of the new species are illustrated.