Abstract
Two new species of Parameletus are described, increasing the number of species known from Far East of Russia to four: P. chelifer Bengtsson 1908, P. minor (Bengtsson 1909), and the new species P. ensiformis and P. arcuatus. Both new species are known from male imagines. P. minor is first recorded for the Southern Far East. Illustrations and a key for the male imagines of the known species of Parameletus from Russian Far East are provided. Distributional data are presented.References
Aro, J.E. (1910) Piirteitä päiväkorennoisten (Ephemeridae) elämäntavoista ja kehityksestä. Viipurin Suomalaisen Realilyseon Vuosikertomus 1909–1910, 32 pp.
Bengtsson, S. (1904) Reseberättelse afgifven af Regnellske stipendiaten docenten Simon Bengtsson för en zoologisk resa till Umeå Lappmark 1903. Kungliga Svenska Vetenskaps- Akademiens Årsbok, 117–131.
Bengtsson, S. (1908) Berättelse öfver en resa i entomologiskt syfte till mellersta Sverige sommaren 1907. Kungliga Svenska Vetenskaps- Akademiens Årsbok, 6, 237–246.
Bengtsson, S. (1909) Beiträge zur Kenntnis der paläarktischen Ephemeriden. Lunds Universitets Årsbok (N.F), 5, 1–19.
Bengtsson, S. (1930) Kritische Bemerkungen über einige nordischen Ephemeropteren, nebst Beschreibung neuer Larven. Lunds Universitets Årsskrift, 26, 1–27.
Esben-Petersen, P. (1909) New Ephemeridae from Denmark, Arctic Norway and the Argentine Republic. Deutsche Entomologische Zeitschrift, 551–556.
Kluge, N.Yu. (1997) Order Ephemeroptera – mayflies. In.: Tsalolikhin S.J. (Ed.), Key to Freshwater Invertebrates of Russian and Adjacent Lands, St. Petersburg, pp.175–220, 304–329 (in Russian).
McCafferty, W.P. (1996) The Ephemeroptera species of North America and index to the complete nomenclature. Transactions of the American Entomological Society,112, 1–54.
Saaristo, M. & Savolainen, E. (1980) Suomen päivänkorennot – Finlands dagsländor (Ephemeroptera). Notulae Entomology, 60,181–186.
Silfverberg, H. (1984) Ephemeroptera. In: Hulden, A check list of the Finnish insects, Small orders. Notulae Entomology, 64,1–29
Söderström, O. & Nilsson, J. (1986) Redescription of Parameletus chelifer Bengtsson and P. minor (Bengtsson), with keys to nymphal and adult stages of the Fennoscandian species of Siphlonuridae (Ephemeroptera). Entomologica Scandinavica,17, 107–117.
Tiunova, T.M. (1986) Mayflies (Ephemeroptera) of the Far East of USSR. In.: Bottom Organisms of Freshwater of the Far East. Vladivostok: DVNZ AN USSR, 14–34 (in Russian).
Tiunova, T.M. (2007) Current knowledge of the mayfly fauna (Ephemeroptera) in the Far East of Russia and adjacent territories. Euroasian Entomological Journal, l.6, 181–194 + III (in Russian).
Tshernova, O.A., Kluge, N.Yu., Sinitshenkova, N.D. & Belov, B.V. (1986) Order Ephemeroptera – mayflies. In.: Ler P. (Ed.), Keys to the Insects of the Far East of the USSR, Leningrad, pp. 99–142 (in Russian).