A further new species of Sarcofahrtiopsis Hall (Diptera: Sarcophagidae) associated with faeces of the disk-winged bat (Thyroptera Spix: Chiroptera) in Brazil and the redescription of the female terminalia of S. cuneata (Townsend).

The male, female and puparium are described for Sarcofahrtiopsis cupendipe sp. nov., whose larvae live in the roosts of disk-winged bats (Thyroptera species). Sarcofahrtiopsis cupendipe and S. thyropteronthos Pape, Dechmann & Vonhof are both associated with the faeces of the disk-winged bat and are the only species of Sarcofahrtiopsis with wing vein R1 fully setose dorsally and a short parameral apodeme in the male terminalia. In addition, the female terminalia of S. cuneata (Townsend) is redescribed.