Torymus brevicaudatus Matsuo 2020, n. sp.
Creators: name: Matsuo, Kazunori
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Torymidae
Torymus
Torymus brevicaudatus

description: Torymus brevicaudatus Matsuo n. sp.
Figs 2a, 5h, 12 a–d, 24e
Etymology. The specific name, brevicaudatus, is Latin meaning “short tail”, in reference to the length of the ovipositor sheath of females.
Type material. Holotype: ♀ (BLKU), collected by T. Mita on 4 June 2007 from Kurume, Fukuoka, Japan. Paratypes: 3 ♀, same data as the holotype (BLKU).
Description. Female. Body length excluding ovipositor sheath 2.6–2.9 mm. Head green. Scape yellowish brown but darker apically; pedicel dark brown; all flagellomeres yellowish brown ventrally. Mesosoma green. Fore wing hyaline. Fore coxa yellowish brown in apical half; mid and hind coxae concolorous with mesosoma; all femora and tibiae yellowish brown. Metasoma green with bluish tint (Fig. 2a).
Head 2.0–2.1× as wide as long in dorsal view; temple 0.2× as long as dorsal length of eye; POL 2.3–2.5× OOL; OOL 1.1× OD. Head 1.2–1.3× as wide as high in frontal view (Fig. 12a); eyes separated by their height; malar space 0.3× height of eye; mouth 2.1–2.3× malar space; clypeus with apical margin produced, truncate medially. Antenna clavate (Fig. 5h); scape 0.6× as long as height of eye, not reaching anterior ocellus; combined length of pedicel and flagellum 1.1–1.2× width of head; pedicel 1.5–1.7× as long as wide; anellus twice as wide as long; F1 quadrate, shorter than pedicel; F2 quadrate; F3–F4 0.9–1.0× as long as wide; F5 0.8–0.9× as long as wide; F6 0.7–0.8× as long as wide; F7 0.6–0.7× as long as wide; each funicular segment bearing longitudinal sensilla arranged in one row; C3 with a small tuft of micropilosity beneath.
Mesosoma 1.7–1.9× as long as wide; mesoscutum (Fig. 12b) with small piliferous punctures; sculpture on mesoscutum in anterior half transversely reticulate; notaulus shallow; scutellum (Fig. 12c) 1.1–1.2× as long as wide, sculptured as posterior part of mesoscutum; dorsellum without median carina; propodeum (Fig. 12d) wholly reticulate; lower mesepimeron 1.2–1.3× as long as wide. Fore wing 2.4–2.6× as long as wide (Fig. 24e); costal cell 10.0–11.5× as long as wide, on upper surface with a setal row in distal half, on lower surface with a complete setal row and scattered setae; basal cell closed, with setae below submarginal vein; cubital setal line present; basal setal line present; speculum opened below; relative lengths of marginal vein: postmarginal vein: stigmal vein=9.1: 2.1: 1.0. Hind coxa stout, 1.5–1.7× as long as wide, with dorsal carina basally; dorsal surface of hind coxa with short setae in basal half; hind femur 3.2–3.4× as long as wide; hind tibia with longer spur 1.1–1.2× as long as width of hind tibia, 0.5–0.6× length of basitarsus; shorter spur 0.5–0.6× length of longer spur.
Metasoma as long as mesosoma; posterior margin of metasomal tergum five incised; tip of hypopygium situated at 0.6 length of metasoma; ovipositor sheath as long as 3/5 metasoma, 1.0–1.1× as long as hind tibia.
Male. Unknown.
Distribution. Japan (Kyushu).
Host information. Unknown.
Remarks. Females of T. brevicaudatus are similar to T. pascuorum Bouček, a European species (Graham & Gi- jswijt 1998), by having the following characters: antenna clavate; scape not reaching anterior ocellus; each funicular segment bearing longitudinal sensilla arranged in one row; notaulus shallow; ovipositor sheath 1.0–1.1× as long as hind tibia. However, females of T. brevicaudatus can be distinguished from T. pascuorum by having the following features: POL 2.3–2.5× OOL (1.7–1.9× OOL in T. pascuorum); OOL 1.1× OD (1.5× OD in T. pascuorum); dorsellum without median carina (with a median carina in T. pascuorum); propodeum wholly reticulate (with superficial striae, smoother medially in T. pascuorum).
description: Published as part of Matsuo, Kazunori, 2020, A revision of Japanese Torymus Dalman (Hymenoptera: Torymidae), pp. 401-441 in Zootaxa 4758 (3) on pages 415-416, DOI: 10.11646/zootaxa.4758.3.1, http://zenodo.org/record/3734584