Subgenus Rhinoprosopa Hull Oligorhina Hull 1937a: 30 (preoccupied by Fairmaire & Germain 1863). Type-species, aenea Hull (original designation). Rhinoprosopa Hull 1942: 23 (new name for Oligorhina Hull). Diagnosis. Face greatly produced anteriorly, with low indistinct tubercle or no tubercle; oral opening about 5.5 times as long as wide, with oral apex greatly extended beyond level of antennal base; antennal pits distinctly separated; plumula absent; subscutellar pile fringe absent; wing microtrichose, without apical dark macula; alula absent or narrow, less than 1/2 as wide as cell BM; metasternum bare; abdomen narrowly to strongly petiolate. Included species. NEOTROPICAL: ** aenea Hull 1937a: 31 (Oligorhina) Hispaniola; ** flavophylla Hull 1943b: 139 (Rhinoprosopa) Peru; ** lucifera Hull 1943c: 216 (Rhinoprosopa) Ecuador; ** nasuta Bigot 1884: 103 (Sphaerophoria) Mexico [= nasuta Bigot 1888: 253 (Sphaerophoria)]; ** sycorax Hull 1947: 239 (Rhinoprosopa) Costa Rica, Colombia, Venezuela.

Published as part of Mengual, Ximo, Ruiz, Carlos, Rojo, Santos, Ståhls, Gunilla & Thompson, Christian, 2009, A conspectus of the flower fly genus Allograpta (Diptera: Syrphidae) with description of a new subgenus and species, pp. 1-28 in Zootaxa 2214 on page 17, DOI: 10.5281/zenodo.189912