Makarchenko E.A., Makarchenko M.A. 2020. [New data on chironomid taxonomy of the Orthocladiinae subfamily (Diptera, Chironomidae) from the Russian Far East and bordering territories] // Euroasian Entomological Journal. Vol.19. No.1: 38–46 [in Russian, with English summary].

Federal Scientific Center of the East Asia Terrestrial Biodiversity, FEB RAS, prosp. 100-letiya Vladivostokа 159, Vladivostok 690022 Russia. E-mail:

doi: 10.15298/euroasentj.19.1.06

ABSTRACT. An illustrated description of a new species, Metriocnemus (Metriocnemus) aprilis sp.n., by adult male from the South Primorye, and the re-description of two species, Chaetocladius (Chaetocladius) binotatus (Lundstrom) and Ch. (Ch.) grandilobus Brundin, by adult male and pupa from the Russian Far East and bordering territories, are presented. Descriptions of pupae are presented for the first time. The species Chaetocladius (Chaetocladius) elegans Makarchenko et Makarchenko is synonymized with Ch. (Ch.) binotatus. Taxonomic and distribution comments for all the species are provided.

KEY WORDS: Diptera, Chironomidae, Orthocladiinae, Metriocnemus, Chaetocladius, taxonomy, new species, finds and synonyms, Russian Far East and bordering territories.

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