Eupholus weevil (Focus-stacked composite image).
Male baridine weevils often have prosternal spines. The armaments are used to joust with competing males.

Armenia, Belize
A ghost ant (Tapinoma melanocephalum) is dwarfed by a much larger stag beetle (Prosopocoilus).

Cape Tribulation, Queensland, Australia
Tribolium castaneum - red flour beetle
Agra sp., Carabidae

Maquipucuna reserve, Pichincha, Ecuador
Agra sp., Carabidae

Maquipucuna reserve, Pichincha, Ecuador
Tenebrio molitor, pupa.
Sandalus niger cicada parasite beetle (male).

Urbana, Illinois, USA
Female (left) and male cicada parasite beetles, Sandalus niger.

Urbana, Illinois, USA
Female (left) and male cicada parasite beetles, Sandalus niger.

Urbana, Illinois, USA
Female (left) and male cicada parasite beetles, Sandalus niger.

Urbana, Illinois, USA
Female (left) and male cicada parasite beetles, Sandalus niger.

Urbana, Illinois, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013