Grimshawomyia Hardy, 1965

Magnacca, Karl N. & O’Grady, Patrick M., 2008, New combinations in Hawaiian Drosophila and Scaptomyza (Diptera: Drosophilidae), Zootaxa 1926, pp. 53-60 : 58

Subgenus Grimshawomyia Hardy, 1965

22. Last segment of vein M sinuate; wing infuscated along all veins, but centers of all cells hyaline except for r 1 and apical third of r 2 + 3. Hawai‘i............................................ S. (Grimshawomyia) undulata (Grimshaw)

- Last segment of vein M not sinuate; veins lacking infuscation on basal half of wing; cell r 2 + 3 almost completely infuscated beyond r –m crossvein and cell r 4 + 5 infuscated directly anterior of dm –cu crossvein.. 23

23. Clypeus and lower margin of face yellow; wing with distinct pattern, apex lightly infuscated; two reclinate orbital setae present on frons; coxae predominantly yellow; foretarsi brown to black; third costal section shorter, roughly 2.5 times longer than fourth; each pleuron with a broad, transverse yellow vitta, lower 1 / 2 of katepisternum yellow, surstyli longer than wide, each with a row of fine teeth on venter. Hawai‘i..................................................................................... S. (Grimshawomyia) perkinsi (Grimshaw)

- Clypeus pale brown; lower margin of the face predominantly brown, with a thin band of yellow; wing pattern similar to above, but with hyaline area at apex; three distinct reclinate orbital setae present on frons; coxae brown; foretarsi yellow; third costal section longer, about 3.5 times longer than fourth; pleura almost entirely brown, lacking distinct vittae; surstyli plainly visible, evenly rounded on ventral surface, lacking conspicuous teeth. O‘ahu, Maui............................................. S. (Grimshawomyia) palata (Hardy)