Key to species of Makarchenkoia gen. nov.

Adult males

1. The gonostylus in a flexed position is slightly expanded distally, dorsoapically with a claw-like protrusion............................................................................. M. nudisquama (Makarchenko et Makarchenko)

- The gonostylus is sickle-shaped, narrowing towards the apex, and has an angular protrusion in its middle inner part......................................................................................... M. samoyedica sp. nov.