Nannotanyderus krzeminskii Ansorge, 1994

Skibinska, Kornelia, 2016, Nannotanyderinae: a new subfamily of Tanyderidae (Diptera), Palaeontologia Electronica 19 (3), pp. 1-16 : 6-7

Nannotanyderus krzeminskii Ansorge, 1994

Figure 5

Remarks. Nannotanyderus krzeminskii was the first member of the genus described based on sevderus (except N. ansorgei ) in that vein Sc ends apical to the fork of Rs into R 4+5 and R 2+3. It differs from N. ansorgei in that vein R 1 ends apical to the fork of R 2+3 into R 2 and R 4 and in the shorter length of vein R 4+5.

eral isolated wings from the Lower Toarcian of Grimmen, Dobbertin and Kerhhofen, Germany. It has also been found in the Lower Toarcian of Braunschweig. The species is characterized by cross vein m-cu situated exactly in the fork of M 3+4 into M 3 and M 4, as well as the lack of a strongly angled anal lobe.

Figures

FIGURE 5. Drawing of Nannotanyderus krzeminskii wing venation (LGA 1145) in dorsal view. Scale equals 0.5 mm.