The larva of Macromia cincta Rambur, with a key to the known Macromia larvae of the Malaysian Peninsula (Anisoptera: Macromiidae)

A ? final instar larva (reared) from the Malaysian Peninsula is described and illustrated in detail. A comparison to other larvae of the genus inhabiting this Peninsula is made, and a key is provided. The unique features in the larva of M. cincta are: premental setae 4+2 or 4+3, dorsal protuberances on abdominal segments 3-10, increasing gradually to the rear but suddenly reduced on 10, and the presence of a basal tubercle on the inner margin of the galeolacinia.