Oxaea (Percnoxaea), Engel, 2015

Engel, Michael S., 2015, A review of the genera and subgenera of Oxaeinae (Hymenoptera: Andrenidae), Journal of Melittology 2015 (52), pp. 1-18 : 14-15

Percnoxaea Engel , new subgenus

ZooBank: urn:lsid:zoobank.org:act:78EF25E3-F2F0-47DB-88EF-9F3AF1084207

TYPE SPECIES: Oxaea schwarzi Moure & Seabra, 1962 .

DIAGNOSIS: Metasomal terga brownish black or black, at most weakly metallic, never bright metallic green; male mandible with basal tooth or at least basal higharched ridge present (refer to figures in Moure & Seabra, 1962, Moure & Urban, 1963, and Graf & Urban, 2008); outer lateral margin of volsella from broadly-rounded apex to widest point apical from apodeme deeply concave before protrudent mediolateral process (refer to figures in Moure & Seabra, 1962); penis valve not elongate, only slightly surpassing gonostylar apices (refer to figures in Moure & Seabra, 1962, and Moure & Urban, 1963).

ETYMOLOGY: The new subgeneric name is a combination of perknos (Greek, meaning “dark-colored”) and Oxaea , type genus of the subfamily. The gender of the name is feminine.

INCLUDED SPECIES: Oxaea (Percnoxaea) alvarengai Moure & Urban, 1963 ; O. (P.) mourei Graf, 1992 ; O. (P.) schwarzi Moure & Seabra, 1962 ; and O. (P.) sooretama Graf & Urban, 2008 . Graf & Urban (2008) provide a key to the species.