Odontomachus rixosus trap-jaw ant with mandibles in the open (top) and closed (bottom) positions. 

Cambodia (laboratory colony at the University of Illinois)
Odontomachus rixosus trap-jaw ant with mandibles in the open position. Note the forward-facing trigger hairs.

Cambodia (laboratory colony at the University of Illinois)
Odontomachus rixosus trap-jaw ant with mandibles in the open (top) and closed (bottom) positions. 

Cambodia (laboratory colony at the University of Illinois)
Odontomachus rixosus trap-jaw ant with mandibles in the closed position.

Cambodia (laboratory colony at the University of Illinois)
An armored tree ant (Cataulacus huberi) pauses to groom her legs and antennae. Ants are extremely clean insects.

Kibale forest, Uganda
An armored tree ant (Cataulacus huberi) pauses to groom her legs and antennae. Ants are extremely clean insects.

Kibale forest, Uganda
Up close with a Brazilian stick insect.

Minas Gerais, Brazil
Cimex lectularius adult feeding.  Notice how the labium (the sheath surrounding the stylets) folds back to allow the bedbug's piercing/sucking mouthparts to sink deeper into the victim's skin.  

Chicago, Illinois, USA
A testy bulldog ant (Myrmecia nigriscapa) advances on the camera that intrudes on her nest.  The large eyes of this ant give her excellent vision.

Wilsons Promontory National Park, Victoria, Australia
Odontomachus rixosus trap-jaw ant with mandibles in the open (top) and closed (bottom) positions.

Cambodia (laboratory colony at the University of Illinois)
Odontomachus rixosus trap-jaw ant with mandibles in the open (top) and closed (bottom) positions. 

Cambodia (laboratory colony at the University of Illinois)
Odontomachus rixosus trap-jaw ant with mandibles in the open (top) and closed (bottom) positions.

Cambodia (laboratory colony at the University of Illinois)
See photo in original gallery.
all images and text © Alex Wild 2001-2013