Oxaea Klug, 1807

Engel, Michael S., 2015, A review of the genera and subgenera of Oxaeinae (Hymenoptera: Andrenidae), Journal of Melittology 2015 (52), pp. 1-18 : 11

Genus Oxaea Klug

DIAGNOSIS: Male often with pale maculations on clypeus, labrum, mandible, and basal antennal articles ( Fig. 34 ); mandible simple apically ( Fig. 38 ); maxillary palpi absent; metasomal terga with or without metallic coloration, otherwise brownish black, black ( Figs. 28–30 , 35–37 ), or partly or largely reddish; metasomal tergum VI (male) and tergum V (female) with long, conspicuous tufts of white or black setae at sides ( Figs. 31, 32 ); apical margin of male metasomal sternum VIII deeply emarginate medially (refer to figures in Hurd & Linsley, 1976); gonobase greatly reduced, ringlike, much wider than long, not tapering basally; gonostylus not differentiated from gonocoxae, apex without setae (refer to figures in Hurd & Linsley, 1976); outer lateral apex of volsella without dorsal lobed extension, apex and outer margin variable; penis valve sometimes elongate, slightly to greatly surpassing gonostylar apices, without ventral subapical ridge or process.

Figures

Figure 28. Photograph of dorsal habitus of holotype female of Oxaea (Oxaea) festiva Smith.

Figures 29–34. Photographs of Oxaea (Oxaea) flavescens Klug. 29. Dorsal habitus of female. 30. Dorsal habitus of male. 31. Lateral habitus of female. 32. Lateral habitus of male. 33. Facial view of female. 34. Facial view of male.

Figure 35. Photograph of dorsal habitus of lectotype male of Oxaea (Oxaea) flavescens Klug.

Figures 36–38. Photographs of female of Oxaea (Oxaea) stenocoryphe Moure. 36. Lateral habitus. 37. Dorsal habitus. 38. Facial view.