Gasteruption Latreille, 1796

(Figs. 2, 6c–d, 6 h, 7b–d, 8a, 9a, 13a–b, 14a, 14d)

Gasteruption Latreille, 1796: 113 –114 (description). See Crosskey (1962) and Carlson (1979) for taxonomic history and list of synonyms.

Type species. Ichneumon assectator Linnaeus, 1758 . Designated by Viereck (1914), according Carlson (1979).

Description. Body length between 8.0–20.0 mm (exclusive of ovipositor).

Head. Subtrapezoidal (Fig. 2b) or subrectangular in dorsal view; from wider than long to longer than wide; mandible in frontal view with apex acute (Fig. 6 h); malar space short to medium, almost disconnected or fused to gena; clypeus without a ridge at anterior margin; clypeus and face without longitudinal striae (Figs. 6c); occipital margin simple, rarely crenulate.

Mesosoma. Pronotum with three well-defined lobes (Figs. 13 a-b); pronotal process present (Figs. 13 a-b), sometimes very short; propleuron simple anteriorly (Fig. 8 a); mesonotum rounded (Figs. 13 a-b) or slightly truncate in lateral view; mesoscutum uniformly sculptured, usually longer than wide, and forming two different planes separated by depressed notauli, parapsides distinct; mesepimeron entirely concave (Figs. 13 ab); fore and middle tibiae usually with a white stripe from base to apex; hind tibia usually white basally; metacoxa striate (Fig. 14 a), rugulose or smooth at posterior portion; median propodeal carina flattened (Fig. 14 d) or absent (Fig. 14 a); fore wing jugal lobe absent (Fig. 7b), rarely present; discal cell present (subtrapezoidal, subtriangular (Fig. 7 c) or petiolate) or absent (Fig. 7 d), vein r–m absent; vein 2–M tubular in first 1/3 and nebulous (rarely spectral) in remaining portion (Fig. 7b); hind wing with 3–4 hamuli, usually not equidistant (Fig. 2a), rarely more than 4.

Metasoma. First metasomal tergum with edges almost touching each other, concealing most of first sternum (Fig. 9 a); female subgenital sternum with a slitlike Y-shaped or an open V-shaped notch (as Figs. 10 ab); ovipositor from shorter than T2+T3 to longer than metasoma.

Distribution and Biology. Same as Gasteruptiinae.