Scaptomyza obscuricornis (Grimshaw, 1901)

Rampasso, Augusto Santos & O’Grady, Patrick Michael, 2025, Review of Hawaiian Elmomyza species (Diptera, Drosophilidae, Scaptomyza). I. The cyrtandrae, exigua, and obscuricornis species groups, with the descriptions of nine new species, Zootaxa 5729 (1), pp. 1-42 : 31

Scaptomyza obscuricornis species subgroup

Diagnosis. Species placed in this subgroup are characterized by bilobate surstyli in the male terminalia. The dorsal portion of the surstyli usually extends medially and posteriorly, forming a well-developed and conspicuous projection.