Ant drinking nectar from the peristome of an upper pitcher of <i>Nepenthes rafflesiana</i>It is the biggest carnivorous plant (Nepenthaceae).  Bako National Park, Sarawak, Borneo.
<a href="https://en.wikipedia.org/wiki/User:NepGrower" class="extiw" title="en:User:NepGrower">en:User:NepGrower</a>
CC BY 2.5
<a href="https://en.wikipedia.org/wiki/Image:Nepenthes_rafflesiana_ant.jpg" class="extiw" title="en:Image:Nepenthes rafflesiana ant.jpg">the English wikipedia</a>