Scaptomyza ctenophora Hardy, 1965 (Fig. 19) Scaptomyza ctenophora Hardy, 1965: 670. Diagnosis. Epandrium broad, with a ventral lobe. Surstylus is large and semi-circular, with a well-developed ventral lobe in posterior view. A marginal row of numerous surstylar teeth is distributed in the dorsal portion of the surstylus. Surstylus is large and broad in lateral view. A group of long bristles is found in the ventral lobe. Distribution. Hawaiian Islands: Maui. Ecology. Unknown. Types. The holotype male (6517, on pin) and allotype female (6517a, on pin) are deposited in the BPBM (not examined). Palikū, Haleakalā Crater, Maui, 6,515 ft. [1,986 m], Aug 1958, D. E. Hardy col. Material Examined. Paratype. 1 ♂ (UHIM2015.01062), Palikū, Haleakalā Crater, Maui, 6,500 ft. [1,981 m], Aug 1958, D. E. Hardy col., D. E. Hardy det. Other material. 1 ♂ (OG 07-0549), Palikū, Haleakalā Crater, Maui, 6,400 ft. [1,950 m], 02 Aug 2007, on and under Cheirodendron sp. (Araliaceae), K. N. Magnacca col.

Published as part of 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, pp. 1-42 in Zootaxa 5729 (1) on pages 27-28, DOI: 10.11646/zootaxa.5729.1.1, http://zenodo.org/record/17907872