Ptilona van der Wulp

Genus Ptilona van der Wulp Ptilona van der Wulp, 1880: 183. Type-species: brevicornis van der Wulp (synonym of Rioxa confinis Walker), by subsequent designation (Bezzi 1913: 68). Ptilona is an Oriental genus characterised by the presence of fine erect hairs on anatergite, body grey tomentose with or without prescutellar markings, 1 pair of orbital setae, wing dark brown to black with hyaline indentations and spots, vein R 2+3 straight, hyaline indentation from pterostigma extending to vein R 4+5, male forefemur and tibia densely setose ventrally, aculeus tip tactile with elongate preapical setae, spermathecae spherical. Proctiger in male epandrium with two elongate, dorsoapical setae. The eight previously known species were reviewed and keyed by Hancock (2011).