Two species of Baetidae mayfly family are described as new. Male imago of Baetis oreophilus sp. nov. is characterized by elongated forcepses of last joint; its n y m p h IS similar to B. rhodani, with two hairs on each ...
phemera romantzovi sp. n. is described from a montane stream, Debed river basin, Akhpat village. The type material is deposited in Zoological Institute, USSR Academy of Sciences (Leningrad).
The genus under consideration· is accepted here in the· widest sense and contains all Baetidae species with inert bordered nymphal gills and rudimentary imaginal penis.
Following Palearctic subgenera 'are recognized ...
В настоящее время в состав рода Baetis включают разнообразные виды, далекие друг от друга в систематическом отношении; в то же время на основе чисто формальных признаков — отсутствия задних крыльев — выделяется явно сборный ...