Fedorenko D.N. 2021. Stenaptinus (Coleoptera: Carabidae: Brachininae) of Vietnam. Note 3 // Russian Entomol. J. Vol.30. No.3: 252–263 [in English].

A.N. Severtsov Institute of ecology and evolution, Leninsky pr. 33, Moscow 119071, Russia. E-mail: dmitri-fedorenko@yandex.ru

doi: 10.15298/rusentj.30.3.02

ABSTRACT. The tripustulatus species group of the genus Stenaptinus Maindron, 1906 is briefly reviewed. It is represented by the only oligotypic species, S. occipitalis (Macleay, 1825), in Vietnam. Stenaptinus  siamensis (Chaudoir, 1876), syn.n., and S. nebulosus (Chaudoir, 1876) (= formosanus (Dupuis, 1912)), syn.n., are only recognized to be similar colour morphs, and S. obiensis (Hrdlička, 2015) and S. talaudensis (Hrdlička, 2015) are supposed to be another colour morph, of S. o. occipitalis. Stenaptinus o. jessoensis (A. Morawitz, 1862), stat.n., S. o. indicus (Venugopal et Thomas, 2019), stat.n., and probably also S. o. nigerrimus Jedlička, 1935 (? = S. taclobanensis Lassalle et Schnell, 2019) are the other subspecies. Stenaptinus occipitalis and S. catoirei (Dejean, 1825) are supposed to be a superspecies combined, and S. catoirei, S. sobrinus (Dejean, 1826) and S. chaudoiri (Arrow, 1901) are treated as conspecific taxa, as they have the internal sacs of aedeagi very similar to each other and hardly different from that of S. occipitalis. Relations between S. o. occipitalis, S. o. indicus and S. catoirei sensu lato are discussed. Other synonyms established are S. hilaris (Fabricius, 1798) = S. devagiriensis (Venugopal et Thomas, 2019), syn.n., and S. catoirei (Dejean, 1825) = S. malaisei (Landin, 1955), syn.n.

KEY WORDS: Coleoptera, Carabidae, Brachininae, Stenaptinus, new synonym, Vietnam, Oriental region.

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