Abstract
The third instar larva of Gepus gibbosus Hölzel, 1968 are described and figured for the first time using light and scanning electron microscopy. The females were collected from Derik, Mardin Province, Turkey and maintained in the laboratory. The morphology of different parts of the larva such as head, mandibles, and antennae are described and illustrated. G. gibbosus is new for the Turkish fauna.