Tetrameringia McAlpine

Sasakawa, Mitsuhiro, 2011, Oriental species of clusiid flies (Diptera: Clusiidae: Clusiinae), Zootaxa 3038, pp. 1-28 : 13-15

Genus Tetrameringia McAlpine

Tetrameringia McAlpine, 1960: 68 . Type species, Tetrameringia ustulata McAlpine, 1960 , fixed by original designation.

Diagnosis. Head with three (rarely four) or, with lowermost or inclinate, distinct oc and poc; occiput flat to shallowly concave; arista pubescent to plumose. Mesoscutum with three or four postsutural dc, distinct prs and prsc; anepisternum with black spot.

Wing 2.0– 4.2 mm long, crossvein bm-cu complete, M1 ratio 1.5–3.0, ultimate section of CuA1 shorter than 1/2 length of penultimate section. Fore and mid tibiae with minute dp. Epandrium with surstylus narrowing ventrally, bearing minute apical spinule; mesophallus with numerous rows of microscopic spinules, distiphallus long and tubular, paraphallus very narrow.

Remarks. This genus has hitherto been known from Australia ( McAlpine 1960), South Africa ( Stuckenberg 1973), Malawi ( Barraclough 2002), Madagascar (Verbeke 1963) and Japan ( Sueyoshi 2006).