Styngetus viduus (Erichson)

(Figs. 21, 47)

Diagnosis. Styngetus viduus can be distinguished by the following characters: all black except the elytra, metallic blue, and the abdominal segment 8 golden-orange; antennal segments 4–7 elongate, 8–10 subquadrate; head and pronotum coarsely and sparsely puncate, disc of pronotum with a medial impunctate are; elytra finely and densely punctuate. Length 10.0– 12.5 mm.

Distribution. Guatemala, Costa Rica, Panama, Colombia, Venezuela, Argentina (Herman 2001; Newton, unpublished database).

Bionomics. Species belonging to Styngetus has been found in carrion, dung, leaf litter and fungi in Central American pine-oak forests (Navarrete-Heredia et al. 2002).