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The female imago specimen belonging to a new species Baba lapidea gen. and sp. nov. and a new family Babidae fam. nov. from Eocene Baltic amber is described and illustrated. This insects combines characters common with Fimbriatotergaliae (on fore wing MP₂ and CuA curved near base; on hind wing MA lacks triad; first tarsal segment shortened and fused with tibia) with a plesiomorphy never found in Fimbriatotergaliae...
Baetis braaschi ZIMMERMANN, 1980, a little known species of subgenus Rhodobaetis JACOB, 2003 has been redescribed and illustrated. The synonymy of B. braaschi and B. stipposus KLUGE, 1982 has been ascertained, and possible synonymy with B. bisri THOMAS & DIA, 1983 has been discussed. The additional description of winged stages of B. braaschi has been given. The distinguishing characters, which...
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