Microdalyellia

Description:

A. M. armigera (microphthalma?), copulation organ, Tvaerminne. B-I and L,N,O. M. kupelwieseri B Ekenaes, Dagmarkaellan, C Tvaerminne, 'Haesthagsdiket', D Tvaerminne, Langskaer, pond by a brook, E Kittilae, Sirkka, cold spring, F as in B, G (M. schmidtii) Helsingfors, Haga, small wood ditch, H tvaerminne, Braennskaer, pond, I Tvaerminne Kohagen (total length of the cuticular apparatus 135 micrometers) u) K (M. schmidtii) Tvaerminns, Haesthagen. L as in D. M M. microphtalma?, Tvaerminne, small ditch with flowing water 'Haesthagsdiket'. N. M. kupelwieseri Bursa copulatrix, found at same place as D, O egg from the same example as M.