Cephalotes clypeatus, focus-stacked composite image of a preserved museum specimen.

Mbaracayú forest reserve, Paraguay
Cephalotes clypeatus, focus-stacked composite image of a preserved museum specimen.

Mbaracayú forest reserve, Paraguay
Male baridine weevils often have prosternal spines. The armaments are used to joust with competing males.

Armenia, Belize
A key innovation in ant evolution is the metapleural gland, seen here as a pair of openings in the body just above the hind legs. The gland is present in nearly all ants and is thought to play an antibiotic role. (Anochetus faurei, South Africa).
Heteronotus sp. tree hopper (Membracinae). 

Maquipucuna reserve, Pichincha, Ecuador
Cephalotes varians turtle ant soldier showing the head disk used for guarding nest entrances.

Florida Keys, USA
Cephalotes varians

Florida Keys, USA
Cephalotes varians turtle ant soldier showing the head disk used for guarding nest entrances.

Florida Keys, USA
Strumigenys rostrata workers with larvae in the brood nest.

Vermillion River Observatory, Illinois, USA
Heteronotus sp. tree hopper (Membracinae).

Maquipucuna reserve, Pichincha, Ecuador
Heteronotus sp. tree hopper (Membracinae). 

Maquipucuna reserve, Pichincha, Ecuador
Heteronotus sp. tree hopper (Membracinae).

Maquipucuna reserve, Pichincha, Ecuador
See photo in original gallery.
all images and text © Alex Wild 2001-2013