Woldstedtius holarcticus ( Diller 1969, Syrphoctonus

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

publication ID


publication LSID




persistent identifier


treatment provided by


scientific name

Woldstedtius holarcticus ( Diller 1969, Syrphoctonus


Woldstedtius holarcticus ( Diller 1969, Syrphoctonus )

Diagnosis. Fore wing length 4.3–5.5 mm. Antenna of both sexes with 23–25 flagellomeres. Face broadened, not conspicuously widened ventrally. Mesopleuron finely and evenly coriaceous. Propodeum devoid of carinae, evenly coriaceous also on petiolar area.

Colouration of females. Antenna black. Head and mesosoma black, face with a large yellow central patch which almost covers elevated central area, clypeus black, yellow on mouthparts, hind corner of pronotum, tegula, subtegular ridge, large shoulder mark, and upper mesepimeron; scutellum often with a small yellow apical spot. Legs orange, fore coxa black with a yellow apex, mid coxa black with apex and a stripe on dorsal side yellow, hind coxa black; femora orange, hind femur often with a dark apex; hind tibia black with a white base, hind tarsus dark. Metasoma black.

Colouration of males. As in females but with yellow on ventral surface of antenna, entire face, propleuron, epicnemium, mesosternum and most of lower mesopleuron. Coxae mainly yellow, hind coxa usually marked with black. Metasoma black with yellow spots or bands basally on tergites 3, 4 and 5, sometimes also on tergite 2.

Material examined. New for Sweden: Västernorrland, Ömsköldsviks kommun, Skuleskogen, Langra, Brook ravine in mixed forest, N 63 °05.323', E 18 ° 29.903 ', leg. SMTP, 25.VII.– 9.VIII. 2004. 1♀, at NRM GoogleMaps . New for United Kingdom: Hants. Romsey, Awbridge, leg. C.Vardy, VIII. 1981. 1♀, at BMNH.

Finland (6), Hungary (1), Sweden (30), Switzerland (40), United Kingdom (1).

Distribution. Holarctic and Oriental.

Figures. Metasoma ♀ ( Fig. 7 View FIGURE 7 D), face ♀ ( Fig. 7 View FIGURE 7 F), habitus ( Fig. 36 View FIGURE 36 D), male terminal sclerites ( Fig. 38 View FIGURE 38 I).


Swedish Museum of Natural History - Zoological Collections