New species of Lopesia Rübsaamen (Diptera: Cecidomyiidae) associated with Andira humilis Mart. ex Benth. (Fabaceae)

A new species of Lopesia Rübsaamen, 1908 induces leaf galls on Andira humilis (Fabaceae) in the Cerrado biome (Brazilian savanna) of Bahia, Mato Grosso and São Paulo states, Brazil. Larva, pupa, female, and male of this new species of gall midge are described and illustrated in this paper.