Okinawepipona

Nguyen, Lien Thi Phuong & Xu, Zaifu, 2014, Two new species of the genus Okinawepipona Yamane (Hymenoptera: Vespidae: Eumeninae) from Vietnam and China, Zootaxa 3795 (1) : -

Key to all known species of the genus Okinawepipona

The characters used are applicable to both sexes unless the sex is specified.

1. Body covered with very coarse punctures; mesoscutum, scutellum and metanotum strongly convex dorsally; propodeum with dorsal part strongly rugose and convex, dorsal and posterior surfaces separated by sharp edge; tergum I in dorsal view about twice as wide as long................................................ O. curcipunctura Nguyen & Xu , sp. nov.

- Body covered with less coarse punctures; mesoscutum, scutellum and metanotum slightly convex; dorsal surface of propodeum not convex, dorsal and posterior surfaces separated by blunt edge; metasomal tergum I in dorsal view slightly less than twice as wide as long................................................................................... 2

2. Clypeus in lateral view weakly convex and then straight dorsally, apical margin shallowly emarginated medially, apical teeth blunt; posterior surface of propodeum shiny, almost smooth in lateral area and with weak and short oblique striae along median carina; scutellum and metanotum black; metasomal terga IV-VI entirely black........... O. nigra Nguyen & Xu , sp. nov.

- Clypeus in lateral view moderately convex, apical margin deeply emarginated medially, apical teeth sharp; posterior surface of propodeum with striae; scutellum and metanotum largely yellow to orange-yellow; metasomal terga IV–VI black, each with yellow to orange-yellow apical band.......................................... O. kogimai (Giordani Soika, 1986)