Kazantsev S.V. 2025. A new species of Malthinus Latreille, 1806 of the M. biguttatus group from the Eastern Caucasus, with description of the female of M. kaszabi Wittmer, 1974 (Coleoptera: Cantharidae) // Russian Entomol. J. Vol.34. No.1: 76–81 [in English].
Diplomatic Academy of the Ministry of Foreign Affairs of Russia, Ostozhenka 53/2, Moscow 119021 Russia.
Insect Centre, Donetskaya 13–326, Moscow 109651 Russia.
Sergey Kazantsev: kazantss@mail.ru; ORCID https://orcid. org/0000-0001-6982-3337
doi: 10.15298/rusentj.34.1.07
ABSTRACT. A new species of malthinine soldier beetles, Malthinus (s.str.) melniki sp.n., is described from Dagestan. The new species belongs to the M. biguttatus group of species, three other members of which, M. biguttatus (Linnaeus, 1758), M. caucasicus Wittmer, 1974 and M. kaszabi Wittmer, 1974, are also illustrated by colour photographs of habitus, as well as of their male and female genitalia. A female of M. kaszabi and external female copulatory organs of M. biguttatus are described and illustrated for the first time.
KEY WO\RDS: Coleoptera, Cantharidae, Malthininae, Malthinus, new species, Caucasus, Palaearctic region.