Formicoxenus diversipilosus male. This species in unusual in the extent to which males resemble the workers. Sagehen Creek, California, USA
A male trap-jaw ant's mandibles are reduced to tiny nubs. Maliau Basin, Borneo.
In contrast to the massive maw of females, male Myrmoteras trap-jaw ant mandibles are so small as to be barely visible. Maliau Basin, Borneo.
