Key to the adult males of the species of Kalloleptochelia (modified and updated from Guţu 2016)

1 Antennule flagellum ten-articled or more; uropod exopod two-articled...................... K. multiarticulata sp. nov.

1a Antennule flagellum eight-articled or less; uropod exopod one-articled.......................................... 2

2 Uropod endopod five-articled........................................................................... 3

2a Uropod endopod six-articled............................................................................ 4

3 Antennule flagellum six-articled, as long as peduncle............................................... K. pauxilla

3a Antennule flagellum eight-articled, shorter than peduncle........................................... K. tenuicula

4 Pereopod-1 propodus about six times longer than wide, dactylus plus unguis longer than propodus............ K. robusta

4a Pereopod-1 propodus about four times longer than wide, dactylus plus unguis as long as propodus........... K. maiorina