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Head: projection at base of antennae; head with deep medial
sulcus; head slightly constricted behind eyes. Antennae: 11-segmented,
with segment XI sharply pointed at apex; segments III-XI
laterally compressed; suture between segments VII-XI very
weak, segments almost fused. Pronotum: trapizoidal, widest at
base; transverse basal impression. Elytra: 10 1/2 rows of punctures;
four costae, 1, 2, and 4 complete, 3 visible at humerus and apex;
apices strongly dentate.
Key to the Oxychalepus known from La Selva
Apical third of elytra black, rest pale Oxychalepus posticatus
Black markings on elytra more extensive Oxychalepus alienus
Species known from La Selva:
Oxychalepus alienus (Baly)
Oxychalepus posticatus (Baly)
Page authors:
C. L. Staines, 3302 Decker Place, Edgewater MD 21037. Staines.Charles@NMNH.SI.EDU
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu