The puparia of Cyphomyia aurifrons Wiedemann, 1830, and Cyphomyia picta Schiner, 1868 are described for the first time. The larvae were collected under the bark of fallen trees in a tropical rain forest at Ilha da Marambaia, State of Rio de Janeiro, Brazil, (23º04'15"S, 43º53'59"W, sea level, approximately 42 Km²). Some biological notes are also presented.
Soldier flies; taxonomy; tropical rain forest
