Glaresis, Erichson, 1848

Gordon, Robert D. & Hanley, Guy A., 2014, Systematic revision of American Glaresidae (Coleoptera: Scarabaeoidea), Insecta Mundi 2014 (333), pp. 1-91 : 8

Key to species of Glaresis - Ecostata Group

1. Elytral striae convex ( Fig. 4E ), setae distinctly visible ; length 3.0 to 3.75 mm; pronotal surface with elongate ridges bearing setae slightly shorter than tubercles; Colorado, New Mexico, Texas, Utah ..................................................................................................... G. costata , n. sp.

— Elytra striae flat ( Fig. 2E ), setae short; length 3.24 to 5.0 mm; pronotal surface with short, widely spaced seta-bearing ridges; not known from New Mexico, Texas, Utah ...................... 2

2(1). Clypeal surface and apical 1/2 of frons with large, closely spaced punctures ( Fig. 2B ); frons densely rugulose; clypeal apex with smooth area wide, posterior margin thickened ( Fig. 2B ); pronotal surface with small, slightly elongate ridges bearing short, nearly invisible setae ( Fig. 2C ); southwestern Arizona, southern California, Mexico.............................. G. ecostata Fall

— Clypeal surface and frons with small, dense punctures ( Fig. 3B ) ; frons densely microreticulate; clypeal apex with smooth area narrow, posterior margin not thickened ( Fig. 3B ); pronotal surface with closely spaced, long ridges bearing short setae ( Fig. 3C ); Baja California ........... ..................................................................................................................... G. bajaensis , n. sp.

Figures

Figures 2A-2H. Glaresis ecostata Fall. A) Habitus view. B) Clypeus and head surface. C) Pronotal surface. D) Metasternum and mesotibia. E) Elytral striae. F) Male genitalia. G) Metaleg and trochanter, dorsal view. H) Metaleg and trochanter, ventral view.

Figures 3A-3G. Glaresis bajaensis, new species. A) Habitus view. B) Clypeus and head surface. 3C) Pronotal surface. D) Metasternum and mesotibia. E) Elytral striae. F) Metaleg and trochanter, dorsal view. G) Metaleg and trochanter, ventral view.

Figures 4A-4H. Glaresis costata Fall. A) Habitus view. B) Clypeus and head surface. C) Pronotal surface. D) Metasternum and mesotibia. E) Elytral striae. F) Male genitalia. G) Metaleg and trochanter, dorsal view. H) Metaleg and trochanter, ventral view.