Diplazon schachti Diller 1986

Klopfstein, Seraina, 2014, Revision of the Western Palaearctic Diplazontinae (Hymenoptera, Ichneumonidae), Zootaxa 3801 (1), pp. 1-143 : 45

Diplazon schachti Diller 1986

Diagnosis. Fore wing length 3.9–4.7 mm. Antenna with 15–17 flagellomeres. Face with punctures clearly distinct from the background sculpture. Mesopleuron smooth and polished and strongly punctate over entire surface. Propodeum with a full set of carinae enclosing basal, lateral and petiolar areas. Tergite 1 0.85 times as long as wide in females, 1.0–1.15 times in males, tergite 2 0.55 in females, 0.6–0.7 in males; tergites 2 and 3 with large, distinct punctures on a smooth and polished background, on tergite 2 more rugose, but punctures always with distinct margins. Transverse impressions deep on tergites 1 to 4. Metasoma dorsoventrally depressed.

Colouration of females. Antenna dark brown, yellow below on scape and pedicel. Head and mesosoma black, face entirely yellow, yellow or ivory on clypeus and mouthparts, hind corner of pronotum, tegula, subtegular ridge, large shoulder mark, often two short parallel lines on mesoscutum, small spots on mesosternum in front of epicnemial carina, upper mesepimeron, entire scutellum. Legs orange or yellow, fore and mid coxae mostly yellow with a black base, hind coxa black, trochanters all with a black mark; femora orange; hind tibia white with a black apex, hind tarsus with first and second tarsomeres white with a dark apex, remainder dark. Metasoma black with broad yellow apical bands on tergites 1 to 4.

Colouration of males. As in females but with antenna yellow ventrally and yellow colouration more extended on mesopleuron in front of epicnemical carina. Fore coxa entirely yellow, hind coxa with a yellow apex, trochanters entirely yellow; hind tarsus often also with apical tarsomeres white basally.

Material examined. Holotype of Diplazon schachti Diller : Turkey, Pr. Hakkari, Suvari Halil-Pass SE Beytisebap , 2300m, leg. W. Schacht, 2.VIII.1982. 1♂, at ZSM .

New for Iran: Yazd, Sanij, leg. Abbas Mohammadi-Khoramabadi, 14.V.2012. 2♂, 1♀, in the private collection of Abbas Mohammadi-Khoramabadi.

Turkey (1), Iran (3).

Distribution. Palaearctic.

Notes. Only the male holotype of this species from Turkey has previously been reported, but several males and one female have recently been reared from Scaeva albomaculata (Macquart) on Euphorbia heteradena .