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Key to the species of Carpomya

The following key is copied from Norrbom (1997).

1. Vein R₂₊₃ with a distinct, anteriorly directed spur vein in the subapical band. Three spermathecae. Host plants Cucurbitaceae. . . . . . . . . . . . . . . . . 2
- Vein R₂₊₃ without a spur vein, cell r₁ with with at most a dark spot or crease within the subapical band. Two spermathecae (unknown for C. tica). Host plants not Cucurbitaceae (unknown for C. tica). . . . . . . . . . . . . . . . . 3
2. Head elongate, gena especially produced and angulate anteriorly. Proboscis long geniculate. Facial carina strongly produced throughout and only slightly wider ventrally than dorsally. Katepisternum with a large dark brown spot medially. Subbasal and discal bands connected in cells r₁ and br. Aculeus tip serrate. Europe, Israel. . . . . . . . . . . . . . . . . wiedemanni (Meigen)
- Head not elongate, gena rounded anteriorly. Proboscis short, capitate. Facial carina strongly produced dorsally, but ventral half very broad and weakly produced. Katepisternum yellow or orange, except for whitish dorsal margin. Subbasal and discal bands not connected. Aculeus tip nonserrate. Caucasus, Turkey, Cyprus and Egypt to western India. . . . . . . . . . . . . . . . . pardalina Bigot
3. Crossvein r-m near midpoint between bm-cu and dm-cu, within or at apical margin of discal band. Scutellum dark brown with m-shaped whitish area, including a medial pale mark, or entirely yellow. Old World. . . . . . . . . . . . . . . . . 4
- Crossvein r-m at about 3/4 distance from bm-cu to dm-cu, touching proximal margin of subapical band (Fig. 2). Scutellum dark brown with U-shaped yellowish mark (Fig. 1), without medial pale mark. Host plants unknown. Costa Rica. . . . . . . . . . . . . . . . . tica Norrbom
4. Scutum and scutellum with large dark brown or black spots or markings. Anterior apical band of wing present. Ocellar seta well developed or minute. . . . . . . . . . . . . . . . . 5
- Scutum and scutellum without brown or black spots or markings. Anterior apical band of wing absent. Ocellar seta minute, length less than width of ocellar tubercle. Host plants Ziziphus spp. Southern Europe, Middle East, Egypt, Sudan, Ethiopia. . . . . . . . . . . . . . . . . incompleta (Becker)
5. Ocellar seta well developed. Katepisternum with at least a large dark brown spot medially, usually mostly dark brown except whitish dorsal margin. Host plants Rosa spp. Central Europe to Kazakstan and Israel. . . . . . . . . . . . . . . . . schineri (Loew)
- Ocellar seta minute, length less than width of ocellar tubercle. Katepisternum yellow or orange, except for whitish dorsal margin. Host plants Ziziphus spp. Italy, Bosnia, Caucasus, Central Asia, Pakistan, India, Thailand. . . . . . . . . . . . . . . . . vesuviana Costa