Description of female of Thargelia leucostigma Varga & L. Ronkay, 1991 with new data on distribution of the species (Lepidoptera: Noctuidae)

The paper contains description of a female of the poorly known Noctuidae species Thargelia leucostigma Varga & L. Ronkay, 1991 described from South Mongolia. The species is reported for Kazakhstan (Zaisan Depression) for the first time. Populations from SW Mongolia and East Kazakhstan were compared by COI sequences, and have no molecular differences. COI sequence of the species is presented. The map of known localities of the species is presented, adults, male and female genitalia, habitat and adults in nature are illustrated