Suffomyia

Munari, Lorenzo, 2008, Beach and Surge Flies (Diptera: Canacidae) from the Arabian Peninsula, with descriptions of three new species, Zootaxa 1848, pp. 37-46 : 45

Key to species of Suffomyia

(after McAlpine, 2007, updated and slightly modified)

1 Postgenal region without series of setulae near eye; scutellum with two pairs of setae only; male: epandrium setulose, but without pair of outstanding setae; surstylus bilobed ............... ismayi D.K. McAlpine

- Postgenal region with a series of setulae near eye margin; scutellum with two pairs of long setae and two pairs of short setae; male: epandrium with one pair of long setae; surstylus not bilobed..........................2

2 Costa with moderate-sized setulae between humeral and subcostal breaks; antennal postpedicel subcircular, not longer than deep; biseriate acrostichal setulae continued nearly to scutellar suture; male: surstylus somewhat elongate and narrowed towards base; female: tergite 7 large and undivided .............................. ............................................................................................................................ sabroskyi D.K. McAlpine

- Costa with one or two very long setulae between humeral and subcostal breaks; antennal postpedicel about 1.5 times as long as deep; biseriate acrostichal setulae almost entirely absent or restricted to anterior half of scutum; male: surstylus widest across base; female: tergite 7 divided into pair of widely separated sclerites........................................................................................................................................................3

3 Acrostichal setulae restricted to anterior half of scutum or almost so; male: surstylus distinctly subtriangular in lateral view, tapered at apex, elongated and subrectangular in caudal view; cercus membranous, simple, slightly curved, never sharply concave on ventral side; female: tergite 6 undivided proximally; tergite 7 divided into pair of simple, widely separated sclerites ........................................... scutellaris Freidberg

- Acrostichal setulae almost entirely absent, sometimes present with very scarce and scattered, tiny setulae; male: surstylus distinctly subrectangular in lateral view, with apex abruptly truncated, shortened and sharply subtriangular in caudal view; cercus sclerotized, bowl-shaped, distinctly concave on ventral side; female: tergite 6 slightly divided proximally; tergite 7 with pair of separated sclerites, each bearing distinctive, very long, strongly sclerotized, proximal process oriented towards tergite 6 ...... dancei sp. nov.