Microstenus Szépligeti, 1916

Li, Tao, Sun, Shu-Ping & Sheng, Mao-Ling, 2020, First record of the genus Microstenus Szépligeti (Hymenoptera: Ichneumonidae Cryptinae) from China, with description of one new species and a key to world species, Zootaxa 4838 (4), pp. 594-600 : 595

publication ID	https://doi.org/ 10.11646/zootaxa.4838.4.10
publication LSID	lsid:zoobank.org:pub:A48C0045-C788-4C2E-911E-1B78AA6CD51B
DOI	https://doi.org/10.5281/zenodo.4405355
persistent identifier	https://treatment.plazi.org/id/0389B05E-FF9F-FF8D-FF68-FE05FAA6FCF9
treatment provided by	Plazi
scientific name	Microstenus Szépligeti, 1916
status

Treatment

Genus Microstenus Szépligeti, 1916 View in CoL View at ENA

Microstenus Szépligeti, 1916: 287 View in CoL . Type species: Microstenus canaliculatus Szépligeti, 1916 View in CoL .

Diagnosis. Clypeus ( Fig. 3 View FIGURES 3–6 ) wide and moderately convex, its apex weakly concave, without a median tooth. Hypostomal carina ( Fig. 6 View FIGURES 3–6 ) absent apically. Sternaulus ( Fig. 9 View FIGURES 7–10 ) evident, reaching middle coxa. Fore wing ( Fig. 7 View FIGURES 7–10 ) with vein 1cu-a basad of 1/M approximately 0.5 to 0.6 × length of 1cu-a. Propodeum ( Fig. 11 View FIGURES 11–15 ) evenly convex, smooth; lateromedian and lateral longitudinal carinae absent, pleural carina absent between anterior transverse carina and base of hind coxa; anterior and posterior transverse carinae strong; with a median and two sublateral longitudinal grooves between transverse carinae. Ovipositor sheath about 0.8 to 1.1 × as long as hind tibia. Lower valve ( Fig. 15 View FIGURES 11–15 ) with a dorsal lobe enclosing upper valve, apical with oblique ridges; apical of upper valve with wavy ridges.