S. Mahunka szerk.: Folia Entomologica Hungarica 65. (Budapest, 2004)

segments 36-43 Conwentziapsociformis Hypandrium with strong anterior apodeme (Fig. 239E); internal projection of ectoproct wide (Fig. 239C) Conwentzia obscura Hypandrium without anterior apodeme (Fig. 243B); internal projection of ectoproct narrow (Fig. 243A) Conwentzia sabae Key to the species groups of the genus Semidalis Middle or distal part of paramere much wider than proximal part; the wide part plate-. or lobe-like, or devided into hooks (Figs 246B, 267) 2 Paramere caudally not, or only slightly and evenly broadened, when broadened it is swollen, not plate- or lobe-like (Figs 258, 263) 8 Widened part of paramere rectangular, or trapezoid (Figs 255B, 261B) 3 Widened part of paramere not rectangular, or trapezoid (Figs 226B, 267) 4 Widened part of paramere situated dorsally (Fig. 255B)

.... Semidalis angusta group Widened part of paramere situated ventrally (Fig. 26 IB) Semidalis marginta group Distal part of paramere dorsally consists of three wide, blunt teeth; there is a very strongly chitinized sclerite below the parameres, in addition to the uncini (Fig. 267) Semidalis scotti group Structure of paramere other 5 Distal part of paramere circular or oval in lateral view, with a short, blunt dorsal tooth; ventral side of this structure more heavily sclerotized than dorsal side (Fig. 256B) Semidalis Candida group Distal part of paramere not circular or oval in lateral view 6 Distinct stylus present, distal part of paramere pick-like, and strongly curved upwards (Fig. 259B) Semidalis decipiens group These features are not present simultaneously (Figs 246A, B, 264) 7 Paramere abruptly widened for a short distance, and distally of this widening it is very slender, and turns up at right angle (Fig. 266) Semidalis rectangula group Structure of paramere other (Fig. 246B, 250B) Semidalis aleyrodiformis group Paramere with a long dorsal tooth bent forwards (Fig. 158) Semidalis daqingshana group Paramere without a long dorsal tooth bent forwards 9 Penis extremely large, sclerotized (Fig. 263) Semidalis palmensis group Sclerotized penis absent, or small (Figs 264D, 265D) Semidalis pluriramosa group Key to the species of Semidalis aleyrodiformis group Hypandrium long, in ventral view elongated triangular (Fig. 248A), in lateral view slightly broadening, with truncated end (Fig. 248B) Semidalis galentei Structure of male genitalia other 2 Paramere with a caudal hook which is distinctly separated from the plate-like part by a narrow, deep incision (Figs 252B, 253B) 3 Structure of paramere other 4