Benyllus egregiscutellatus Heinrich, 1934

Riedel, Matthias, 2023, Contribution to the knowledge of the Ichneumoninae (Hymenoptera, Ichneumonidae) from Maritime Southeast Asia, Zootaxa 5363 (1), pp. 1-94 : 26

Benyllus egregiscutellatus Heinrich, 1934

Material. Indonesia: Sulawesi, nr Bantaeng, Borong Rappoa, Gn. Daulu, Mal. trap 19, c 690 m, 1 ♀ 4–24.iv.1991, leg. C. van Achterberg ; SE Sulawesi, nr Sanggona, Base camp, Gn. Watuwila, Mal. trap 1, c 225 m, 1 ♀ 15.x.– 5.xi.1989, Mal. trap 12, c 200 m, 1 ♂ 19.x.–5.xi.1989, leg. C. van Achterberg ; C Sulawesi, nr Luwuk, Bunga , c 300 m, 1 ♂ 1–14.xi.1989, Mal. trap 16, leg. C. van Achterberg ; C Sulawesi, nr Batui, Seseba , c 375 m, 1 ♂ 6–9.xi.1989, leg. C. van Achterberg ; Sula Islands, Mangole, Buluhaya , Mal. trap 18, c 90 m, 6–23.iii.1995, leg. C. van Achterberg & Y. Yasir ; Sula Islands, Mangole, near Buya , Mal. trap 14, c 490 m, 2–22.iii.1995, C. van Achterberg & Y. Yasir (Leiden and coll. Riedel) .

Remarks. The ♂♂ differ slightly from the original description ( Heinrich 1934: 159). Body length 9.5–11.0 mm. Flagellum with 34–37 flagellomeres; 1 st flagellomere 3.6–3.8 × longer than wide. Tyloids on flagellomeres 10/11–18/19, long-oval, maximally 0.7 × as long as their flagellomeres. OED 1.1 × and OOD 1.3 × ocellar diameter. Hind femur 3.9 × longer than wide. Colour as described for the ♀ ( Heinrich 1934: 158), but flagellum black, ochreous ventrally; mesoscutum black in ♂♂ from Sulawesi, but with short yellow paramedian stripes in ♂♂ from Sula islands. Hind coxa red, yellowish dorsally; hind femur red, often slightly infuscate apically; hind tibia red, blackish in basal 0.1 and apical 0.2–0.3; hind tarsus black. Tergites red; postpetiole and 2 nd and 3 rd tergites with yellow apical bands or posterolateral stripes; 7 th tergite yellow; paramere ivory.

Distribution. Only known from Sulawesi, new record for the Moluccas.