Woldstedtius nigrolineatops ( Bauer 1981, Syrphoctonus

Klopfstein, Seraina, 2014, Revision of the Western Palaearctic Diplazontinae (Hymenoptera, Ichneumonidae), Zootaxa 3801 (1), pp. 1-143 : 112-113

Woldstedtius nigrolineatops ( Bauer 1981, Syrphoctonus )

Diagnosis. Fore wing length 4.9–5.2 mm. Antenna of both sexes with 24–25 flagellomeres. Face not broadened, not conspicuously widened ventrally. Mesopleuron irregularly wrinkled. Propodeum strongly rugose, with petiolar area at least partly enclosed by carinae.

Colouration of females. Antenna black. Head and mesosoma black, face without a central patch, clypeus black, yellow or orange on mouthparts and sometimes hind corner of pronotum; scutellum black. Legs orange, fore and mid coxae black with yellow apices, hind coxa with a black base, remainder orange and yellow, all trochanters black-marked; femora orange, black-marked ventrally; hind tibia dark orange with apex dark, hind tarsus dark. Metasoma black.

Colouration of males. As in females but with yellow on ventral surface of antenna, entire face, hind corner of pronotum, large shoulder marks, tegula, subtegular ridge, upper mesepimeron, epicnemium, often along front of mesosternum. Coxae mainly yellow with a black base, hind coxa largely black with a yellow apex; hind femur orange with yellow marks basally and apically, hind tibia yellow or light brown with a dark apex. Metasoma black.

Material examined. Holotype of Syrphoctonus nigrolineatops Bauer : Austria, Vent, 15.VIII.1971. 1♂, at ZSM. Paratypes: Austria, Vent, 7.VIII.1971, 1♂, Austria, Allgäu, 7.VIII.1965, 1♂; both at ZSM .

New for Switzerland: Glarus, Linthal , Obersand , Melchplatz . 2051m, N46°50.387, E8°55.821, leg. S.Klopfstein, H.Baur & F.Marti, 17.–27.VIII.2008, 1♀, 28.VIII.–17.IX.2008. 1♀, both at NMBE . Valais, Col de Cou et Col de Bretolet, 1900m, 4.–10.IX.1966. 1♀, at ZSM.

Additional material. Austria, Tirol, Sölden, 1800m, leg. K.Zwakhals, 17.VIII.1975. 1♂, at KZ.

Distribution. Western Palaearctic (Alps).