Oecophylla longinoda patrol a tree trunk. St. Lucia, KZN, South Africa
Formica obscuripes nestmate workers engaging in trophallaxis, or the social sharing of liquid food. Wisconsin, USA
Follow the leader! Here, Mesoponera elisae workers engage in "tandem running" behavior, where a leading ant paves the way for a nestmate to follow. Notice the following ant's antennae making tight contact with the abdomen of the lead ant. St. Lucia, KZN, South Africa