Euspilotus (Hesperosaprinus) azureus (Sahlberg)

Aballay, Fernando H., Arriagada, Gerardo, Flores, Gustavo E. & Nestor D. Centeno,, 2013, An illustrated key to and diagnoses of the species of Histeridae (Coleoptera) associated with decaying carcasses in Argentina, ZooKeys 261, pp. 61-84 : 73-74

Euspilotus (Hesperosaprinus) azureus (Sahlberg) Figure 22

Diagnosis.

Medium to large size (length: 2.9-5.5 mm, width: 2.5-4.7 mm). Body black or metallic blue. Pronotum with a large, shiny disc with finer and dense punctation visible only at 60 × magnification, larger on lateral areas and in a single depression on each side close to anterior angles; with marginal stria very close to lateral margin. Pronotal hypomeron glabrous in dorsal view. Elytron with finer and sparse punctation in the intervals on proximal half; distal half with coarse and dense punctation between the second interval and sutural stria; elytral dorsal striae 1-2 almost complete, third absent or reduced to a short row of punctures on basal area, fourth complete on anterior half, fourth and sutural striae connected by a rounded arch. Pygidium with punctures and with a transverse subapical groove reaching lateral margins. Protibiae with outer margin expanded and 7-13 short, reddish denticles, the most basal ones very small.

Distribution.

Argentina, Brazil and Venezuela ( Mazur 2011).