Pheidole sp.

Cape Tribulation, Queensland, Australia
When disturbed, Paropsisterna eucalyptus leaf beetle larvae evert abdominal glands that release poisonous hydrogen cyanide gas.

Yandoit, Victoria, Australia
Iridomyrmex bicknelli workers carry a queen larva in the nest.

Yandoit, Victoria, Australia
Metamorphosis in the green tree ant Oecophylla smaragdina.

Cairns, Queensland, Australia
Oecophylla smaragdina minor workers tend to larvae in the brood nest. These small workers are present in great numbers in weaver ant colonies but are rarely seen outside the nest.

Cairns, Queensland, Australia
Spider ants (Leptomyrmex erythrocephalus) store liquid food in the swollen abdomens of replete workers.

Harrietville, Victoria, Australia
An antlion larva (Myrmeleontidae) removed from its sand pit.

Archbold Biological Station, Florida, USA
An antlion larva (Myrmeleontidae) removed from its sand pit.

Archbold Biological Station, Florida, USA
Larvae of syrphid flies in the genus Microdon are so odd that they were originally described as molluscs.  The adults are more or less normal-looking flies, but larvae are predators of ant brood, living within the dark galleries of ant nests (in this case, with Linepithema oblongum).

Termas de Reyes, Jujuy, Argentina
An antlion larva (Myrmeleontidae) removed from its sand pit.

Archbold Biological Station, Florida, USA
An antlion larva (Myrmeleontidae) removed from its sand pit.

Archbold Biological Station, Florida, USA
An antlion larva (Myrmeleontidae) removed from its sand pit.

Archbold Biological Station, Florida, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013