Description of a second species of Joblingia Dybas & Wenzel, 1947 (Diptera: Streblidae)

A new species of Joblingia DybasWenzel, 1947, collected on the bat Myotis ruber (E. Geoffroy) in Southern Brazil, is described, and the type-species, J. schmidti DybasWenzel, 1947, redescribed. The diagnosis of the genus is amended. The external morphology and postgonites of both species are figured. Geographical distribution and host-parasite relationships are discussed.