SmugMug > all-time keyword > entomology > Sandalus niger cicada parasite beetle (male).

Urbana, Illinois, USA
SmugMug > all-time keyword > entomology > Female (left) and male cicada parasite beetles, Sandalus niger.

Urbana, Illinois, USA
SmugMug > all-time keyword > entomology > Sandalus niger cicada parasite beetle (female).

Urbana, Illinois, USA
SmugMug > all-time keyword > entomology > Formica obscuripes ant examining eggs of the Northern Walking Stick Diapheromera femorata.  Ants find the seed-like eggs attractive and may carry them to protected overwintering sites.

Wisconsin, USA
SmugMug > all-time keyword > entomology > Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food.

Wisconsin, USA
SmugMug > all-time keyword > entomology > Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food.  This behavior does more than merely transfer food.  Ants also use it to pass chemical signals among each other, and research has shown that trophallaxis helps the colony maintain a cohesive identifying odor.

Wisconsin, USA
SmugMug > all-time keyword > entomology > Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food.

Wisconsin, USA
SmugMug > all-time keyword > entomology > Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food.

Wisconsin, USA
SmugMug > all-time keyword > entomology > Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food.

Wisconsin, USA
Sandalus niger cicada parasite beetle (male).

Urbana, Illinois, USA
 > Sandalus niger cicada parasite beetle (male).

Urbana, Illinois, USA
Sandalus niger cicada parasite beetle (male).

Urbana, Illinois, USA
Photo by: alexwild • see photo in gallery

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