Abstract
Uirassubrillia beckeri gen. n., sp. n. is described and illustrated based on male and female imagines from Bahia State in Brazil. The new genus is placed in the Brillia-group as the adults have a strongly setose body and setose wing membrane, RM is long and oblique, and the eye has a long, parallel-sided dorsomedian extension. The male hypopygium has a characteristic digitiform superior volsella and a bifurcate gonostylus. The female has three seminal capsules, two large and a third, smaller one.