Diagnosis. Fore wing length 3.5 –4.0 mm. Antenna in females with 17 flagellomeres, with ventral area of median to apical flagellomeres with conspicuous areas bearing a short velvety pile and lacking multiporous plate sensilla; in males with 19–20 flagellomeres, with two-coloured tyloids on flagellomeres 5 / 6 to 9 / 10. Face mainly smooth and shining, impunctate, with some irregular sculpture centrally and along inner orbits. Mesoscutum with central area coriaceous and punctate. Mesopleuron entirely smooth and shining, impunctate, at most with some irregular sculpture on lower half. Hind coxa with outer hind surface mostly smooth and shining. Propodeum with a full set of carinae enclosing basal, lateral and petiolar areas, the areas with rugose sculpture. Metasoma compressed posterior to third segment but not knife-like, first tergite 1.1–1.4 times longer than wide in both sexes.
Colouration of females. Antenna dark brown, sometimes paler below. Head and mesosoma black, face rarely with a yellow central face patch, clypeus black, yellow on mouthparts, hind corner of pronotum, tegula, subtegular ridge, usually at least small shoulder mark, upper mesepimeron; scutellum black. Legs orange, coxae black with yellow apices, hind trochanter marked with black; femora orange, marked with black below; hind tibia and tarsus orange to brown. Metasoma variously marked with orange, usually at least on hind margin of tergite 2 and entire tergite 3, but this colouration usually darkened, often metasoma entirely black.
Colouration of males. As in females but with yellow ventrally on scape and pedicel, entire face, and epicnemium. Fore and mid coxae entirely yellow or only black at extreme base, hind coxa with a yellow apex. Metasoma as in female.
Material examined. Holotype (♀) and paratypes of Sussaba hinzi Diller:
Sweden, Norrbotten, Piteå, leg. R. Hinz, 8.VIII. 1963. 3♂, 1 ♀ (holotype), at ZSM. Sweden, Norrbotten, Haparanda, leg. R. Hinz, 27.VII. 1963. 1♂, at ZSM.
Additional material. Norway, Oppland; Øystre Slidre, Heimdalen, leg. Sand, 2.– 3.VIII. 1995. 1♀, at ZMUO.
Distribution. Palaearctic.