Sphaerohelea, a new Neotropical genus of predaceous midges related to Lanehelea, Spnaeromias, Chelohelea, Phaenobezzia and Leehelea is described and illustrated and ilustrated from female specimens. This new genus includes only one species, Sphaerohelea biestroi n. sp. from northeastern Argentina as a type-species.
Neotropical predaceous midges; Tribe Sphaeromiini; Sphaerohelea new genus; Sphaerohelea biestroi n. sp.