Spiky larvae are characteristic of ponerine ants. Here, an Odontomachus clarus desert trap-jaw ant tends to larvae in the brood nest. Portal, Arizona, USA
Orectognathus versicolor. The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest. Here, a worker transports a larva. Brisbane, Queensland, Australia
Larvae in the brood nest of a native big-headed ant. Brackenridge Field Laboratory, Texas, USA.