Microleptes xinbinensis Sheng & Sun 2014
Creators: name: Ranjith, Avunjikkattu P.
name: Humala, Andrei E.
name: Priyadarsanan, Dharma Rajan
name: Butcher, Buntika A.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Microleptes
Microleptes xinbinensis

description: Microleptes xinbinensis Sheng & Sun, 2014
Figs 11, 12
Material examined.
1 female and 2 males, India • Arunachal Pradesh, Yingku, Malaise trap, 17.v.2023, coll. Sahanashree, R. (AIMB).
Description.
Female. Body length 3.5 mm, fore wing length 2.6 mm.
Head. Head as wide as long in anterior view (Fig. 11 B) and 1.2 × as wide as long in dorsal view (Fig. 11 C); face flat, punctate, setose, 1.4 × as wide as long; 0.5 × as wide as head (Fig. 11 B); clypeus moderately transverse, smooth, with lower margin convex (Fig. 11 B); tentorial pits transverse (Fig. 11 B); malar long with distinct subocular sulcus, 1.4 × basal width of mandible (Fig. 11 B); mandible broad, with single broad blunt tooth (Fig. 11 B); temple polished, with sparse setae (Fig. 11 D); frons and vertex smooth and sparsely setose (Fig. 11 C); compound eye with short setae, 1.2 × as long as temple in dorsal view (Fig. 11 B, C); OOL: diameter of lateral ocellus: POL = 1.3: 1.0: 1.0; antenna with 15 flagellomeres; medial flagellomeres slightly longer than wide (Fig. 11 A); first flagellomere 1.2 × as long as second flagellomere, 4.2 × as long as wide; second flagellomere 3.5 × as long as wide.
Mesosoma. Mesosoma 1.8 × as long as high (Fig. 11 D); dorsal part of pronotum crenulate medially, with medial pit (Fig. 11 C, E),; pronotum lateral smooth and polished (Fig. 11 D); epomia absent (Fig. 11 D); mesoscutum flat in lateral view (Fig. 11 D), punctate, setose with a pair of elongate pits postero-laterally (Fig. 11 E); notaulus short and weak, only impressed anteriorly (Fig. 11 E); scuto-scutellar groove smooth, without crenulations (Fig. 11 E); scutellum smooth (Fig. 11 E); mesopleuron smooth (Fig. 11 D); mesopleural furrow narrowly crenulated (Fig. 11 D); epicnemial carina present, joining with subtegular ridge, not forming crenulated groove anteriorly (Fig. 11 D); metapleuron smooth with transverse wrinkles medially, sparsely setose (Fig. 11 D); propodeum smooth, area superomedia nearly parallel-sided, with few transverse wrinkles medially; anterior transverse carina well developed; posterior transverse carina present; area dentipara as long as wide; pleural carina complete (Fig. 11 F).
Legs. Femora slender (Fig. 11 A); hind coxa rugose antero-dorsally (Fig. 12 B, C); hind femur widened posteriorly, 5.4 × as long as wide; hind tibia 6.0 × as long as wide; hind basitarsus 7.6 × as long as wide.
Wings. Wings hyaline (Fig. 12 D); pterostigma 2.9 × as long as wide; fore wing vein 2 r & RS joining to pterostigma in middle, 1.8 × as long as 2 rs-m; fore wing vein 2 rs-m 2.3 × as long as M between 2 rs-m and 2 m-cu; fore wing vein 1 cu-a distinctly postfurcal (Fig. 12 D); hind wing with nervellus (vein CU) intercepted in middle.
Metasoma. First tergite smooth in anterior half, irregularly longitudinally wrinkled in posterior half, with indistinct dorsal carina and sparse setae, 3.5 × as long as its maximum width, spiracle situated at middle of tergite (Fig. 12 C); second tergite with distinct thyridium, smooth, setose, 1.1 × as long as wide posteriorly (Fig. 12 B); third tergite smooth, setose, 0.6 × as long as wide posteriorly (Fig. 12 B); tergites 4–6 polished, scarcely setose (Fig. 12 B); hypopygium straight posteriorly; ovipositor hardly exposed; sheath apically densely setose, 0.1 × as long as hind tibia (Fig. 12 A).
Colour. Body predominantly black; scape, pedicel, flagellomeres 1–5, maxillary and labial palps, tegula, legs except hind tibia basally and hind basitarsus, thyridium yellow, flagellomeres 6–15, hind tibia basally, hind basitarsus, pterostigma, wing veins, hypopygium and ovipositor sheath brown.
Male. Similar to female, antennae with tyloids on flagellomeres 5–7.
Distribution.
India and China.
Notes.
The species was described from Liaoning province of China (East Palaearctic) and known only from a male specimen (Sheng and Sun 2014). This is the first description of the female and a first record of the species from the Oriental region.
description: Published as part of Ranjith, Avunjikkattu P., Humala, Andrei E., Priyadarsanan, Dharma Rajan & Butcher, Buntika A., 2024, Discovery of the subfamily Microleptinae (Hymenoptera, Ichneumonidae) from India and Thailand with the description of five new species, pp. 1257-1284 in Journal of Hymenoptera Research 97 on pages 1257-1284, DOI: 10.3897/jhr.97.131822