Argoravinia, Townsend, 1917

Genus Argoravinia View in CoL

Head squared in profile, with squared anterior and posterior genal corners in profile; gena and postgenal with at least some white setulae; postalar wall setulose; stem of wing vein R 2 + 3 + 4 + 5 with ventral setulae elongated*; wing vein R 1 with setulae dorsally on basal half; male mid-femur with or without a ctenidium of rounded spines (circular cross section); male abdominal ST5 with posterior margin very widely V-shaped; cercal prong straight or almost straight, slightly bent backwards in Argoravinia (s.s.); pregonite proximally narrow and distally wide*; ejaculatory apodeme large; phallus with a distinct hinge between basi- and distiphallus; paraphallus dorso-distally rounded; paraphallus with paraphallic lateral expansions; vesica broad and flat; acrophallus formed of a capitis, hillae, lateral styli and a median stylus; hillae tapering*; hillae directed latero-ventrally, not touching the inner paraphallic wall; median stylus greatly elongated; median stylus S-shaped*; capitis as a smooth, rounded lobe, proximally swollen and strongly sclerotized*.

Subgenus Argoravinia (s.s.): male with 5–6 fronto-orbital setulae; epandrium with a lateral apophysis*; vesica superficially bifid; female T6 entire; female epiproct with one seta.

Subgenus Raviniopsis Townsend : male with 7–12 fronto-orbital setulae; epandrium without a lateral apophysis; vesica deeply bifid; female T6 divided; female epiproct with two setae.