Makarchenko E.A.1, Yavorskaya N.M.2,3 2021. Redescription of the little-known chironomid species Parachaetocladius akanoctavus Sasa et Kamimura, 1987 (Diptera: Chironomidae: Orthocladiinae) from the Russian Far East // Euroasian Entomological Journal. Vol.20. No.3: 119–124 [in English].
1 Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, Prosp. 100-letiya Vladivostoka 159, Vladivostok 690022 Russia. E-mail: makarchenko@biosoil.ru
2 Institute of Water and Ecology Problems, Far Eastern Branch of the Russian Academy of Sciences, Dikopoltseva Str. 56, Khabarovsk 680000 Russia. E-mail: yavorskaya@ivep.as.khb.ru
3 Joint Directorate of State Natural Reserves and National Parks of Khabarovsk Territory, Yubileinaya Str. 8, Khabarovskii Krai, Bychikha 680502 Russia.
doi: 10.15298/euroasentj.20.3.01
ABSTRACT. An illustrated redescription of the adult male and first description of pupa and fourth instar larva of the little-known species Parachaetocladius akanoctavus Sasa et Kamimura from the Russian Far East are presented, and an updated key to the pupae of Parachaetocladius Wulker species is provided.
KEY WORDS: Diptera, Chironomidae, Orthocladiinae, Parachaetocladius, taxonomy, redescription, key, Russian Far East.