Trachyserphus

Autor: Kolyada, Victor, Mostovski, Mike B.
Rok vydání: 2017
Předmět:
DOI: 10.5281/zenodo.6044670
Popis: Key to species of Trachyserphus 1 Area between antennal sockets strongly convex. Occipital carina developed in its upper part as high collar (Figs 2 E, 2F). Longer spur of hind tibia reaching 0.7 basitarsus length (Fig. 2 M). Fore wing basally with well expressed sclerotized medio-cubital crossvein (Fig. 2 N).................................................................. T. segregatus (Townes) - Area between antennal sockets weakly convex or flat (Figs 3 E, 4H). Occipital carina less developed (Fig. 4 I). Longer spur of hind tibia reaching 0.5 basitarsus length (Figs 3 J, 4M). Medio-cubital crossvein at fore wing base unsclerotized (Fig. 3 H)... 2 2 Distance from lower edge of clypeus to centre of tentorial pit 1.1× less than distance to lower edge of antennal socket (Fig. 4 G). Mesoscutum posteriorly with noticeable depressions (Fig. 4 D)................................. T. masneri sp. n. - Distance from lower edge of clypeus to centre of tentorial pit 1.3× less than distance to lower edge of antennal socket (Fig. 3 D). Mesoscutum posteriorly without noticeable depressions (Fig. 3 C)........................... T. defrictus (Townes)
Databáze: OpenAIRE