Odontosphex Arnold, 1951

Mokrousov, Mikhail V. & Proshchalykin, Maxim Yu., 2021, Discovery of the digger wasp genus Odontosphex Arnold, 1951 (Hymenoptera, Apoidea, Spheciformes) in Central Asia, with description of a new species, Journal of Hymenoptera Research 84, pp. 137-143 : 137

Genus Odontosphex Arnold, 1951

Odontosphex Arnold, 1951: 154. Type species: Odontosphex bidens Arnold, 1951, by original designation and monotypy.

Diagnosis.

The genus Odontosphex , according to Menke (1967), Bohart and Menke (1976) and Pulawski (1991) with clarifications, is characterized by: eyes in males nearly holoptic, in females conspicuously converging above; lateral ocelli vestigial and close to midocellus; clypeus transverse and apicomedially with two to seven teeth, no lateral clypeal brushes in male, upper margin medially not unusually expanded upward; antennae short and with F1 not longer than F2, antennal sockets separated from clypeus by not more than two their diameters; no subantennal sclerite defined by lines from antennal sockets through tentorial pits to clypeus; a small tubercle between antennae; mandible edentate and with socket not completely closed, no hairbrushes in male; palpal formula 6-4; pronotal collar thin, depressed and appressed to scutum; episternal sulcus absent; scrobal sulcus absent or weakly indicated; omaulus present or absent; propodeum long; metapostnotum defined, wide and triangular, with a median longitudinal carina, its apex extending onto vertical posterior propodeal surface; foretarsal rake of female consists of short spines, absent in male; midcoxae nearly contiguous; midtibia with one apical spur; hindcoxa with lamella at inner apex; hindfemur truncate apically; plantulae present; marginal cell of forewing acutely narrowed and slightly separated from wing edge toward apex; second submarginal cell not petiolate in front and receiving both recurrent veins; hindwing media diverging before cu-a; jugal lobe occupying about four-fifth length of anal area; metasoma sessile; female S6 not cleft apically; male S8 somewhat narrowed and triangularly emargined at apex; female with pygidial plate; no cerci; volsella differentiated into digitus and cuspis.