Campocraspedon annulitarsis (Hedwig 1938, Homocidus)

Homocidus arcanus Stelfox 1941

Diagnosis. Fore wing length 5.0–6.0 mm. Antenna in females with 18, in males with 18–19 flagellomeres. Female face black, in males yellow. Propodeum with carinae weak, pleural and lateral longitudinal carinae usually present, transverse carina and median longitudinal carinae usually absent, at most indicated by some weak rugae; petiolar area coriaceous and weakly rugose.

Colouration of females. Antenna black, paler below. Head and mesosoma black, face black, yellow on clypeus, mouthparts often more orange, yellow on hind corner of pronotum, tegula, and often upper mesepimeron; scutellum black, at most with a light brown mark on extreme apex. Legs orange, coxae black or orange; femora orange; hind tibia white with a dark subbasal spot and a dark apical band, hindtarsus black, first segment basally white. Metasoma black.

Colouration of males. As in females but with yellow ventrally on antenna, entire face, subtegular ridge, at least part of mesosternum and a stripe on lower mesopleuron. Fore and mid coxae often largely yellow.

Material examined. Lectotype ♀ of Homocidus annulitarsis Hedwig: Poland, Breslau, Nimkau, Olschebruch, leg. Hedwig, 01.V.1932. 1♀, at NMF . Holotype ♂ of Homocidus arcanus Stelfox: Ireland, Ashfort, Devil's Glen, 8.VI.1921, 1♂, at USNM.

New for Germany: Goslar am Harz, Harli, leg. E.Bauer, 21.VI.1941. 1♀, at ZSM . New for Switzerland: Valais, Binn, Binntal, leg. T.Steck, 27.VI.1916. 4♀, at NMBE .

Germany (5), Norway (1), Poland (1), Sweden (20), Switzerland (7), United Kingdom (1).

Distribution. Western Palaearctic.