A revision of the genus Camptocercus (Anomopoda, Chydoridae, Aloninae)

The genus Camptocercus is revised. Camptocercus streletskayae sp. n. is des cribed from East Siberia. The status of other species is discussed on the b asis of a standard set of morphological features, including the structure o f the cephalic region, the post-abdomen and post-abdominal claw, the dorsal keel, denticles at the ventro-posterior angle of valve, and setae on the i nner distal lobe of limb I. Geographical distribution of species of this ge nus is discussed. A key to the species of this genus is composed.