Rhagoletis, Loew, 1862

Korneyev, V. A., Mishustin, R. I. & Korneyev, S. V., 2017, The Carpomyini Fruit Flies Diptera: Tephritidae Of Europe Caucasus And Middle East: New Records Of Pests With Improved Keys, Vestnik Zoologii 51 (6), pp. 453-470 : 461

Key to species of Rhagoletis of western Palearctic Region

1. Mesonotum uniformly reddish-yellow (as on fig. 5, 1), rarely brown posteriorly. ................................... 2.

— Scutum black; postpronotal lobe, sides and scutellum yellow or whitish (as on figs 5, 2 –8)...................5.

2. Wing with short accessory crossband in cell r 1 (figs 6, 1–3). ....................................................................... 3.

— Wing without accessory crossband in cell r 1 ( fig. 7, 3). Larvae in walnut ( Juglans ) husk ............................`............................................................................................................................................. R. completa Cresson

3. Subapical band not extending anterior of vein R 2+3 (usually not beyond R 4+5) (fig. 6, 1). Larvae in Berberis ..................................................................................................................................................................... ................................................................................................................................................. R. meigenii (Loew)

— Subapical band reaching anterior wing margin (figs 6, 2–7). ...................................................................... 4.

4. Abdominal tergites 1–5 entirely reddish-yellow. Larvae in Rosa . ................................ R. alternata (Fallén)

— Abdominal tergites 1–5 black basally or entirely. Larvae in Berberis .. R. caucasica Kandybina & Richter

5. Wing with short accessory crossband in cells r 1 and r 2+3 (figs 6, 4–6). ........................................................ 6.

— Wing without accessory crossband in cell r 1 and r 2+3 ( figs 7, 1 –8). .............................................................. 7.

6. Scutum with four silvery tomentose vittae; scutellum entirely yellow, except faint anterior band ( fig. 5, 4). Wing with apical crossband crossing vein M and entering into cell m (figs 6, 5–6). Larvae in Lonicera and cherry fruits. ................................................................................................................ R. cerasi (Linnaeus)

— Scutum shining black; anterior margin of scutellum black ( fig. 5, 3). Wing with apical crossband touching M apex, but not entering into cell m (fig. 6, 4). Larvae in Berberis seeds..... R. berberidis Jermy

7. Apical crossband simple, not bifurcated ( fig. 7). [Fore femur colouration variable.] Larvae not in cherries. .. 8.

— Apical crossband bifurcated posteriorly, usually with distal branch isolated as separate spot (fig. 6, 7). [Fore femur usually entirely yellow.] Larvae in cherries ................................................................................................................................................ R. cingulata (Loew)

8. Apical crossband entirely contiguous with apical wing margin ( figs 7, 1–2, 4). ........................................ 9.

— Apical crossband separated from apical wing margin by crescentic marginal hyaline area ( figs 7, 5 –8)...............................................................................................................................................................................10.

9. Femora yellow. Larvae in Lonicera . ............................................................................ R. flavicincta Enderlein

— Femora black. ............................................................................... R. obsoleta Hering and R. sp. near obsoleta

10. Femora yellow. Larvae in Juniperus ................................................................................................................ 11.

— Femora black..................................................................................................................................................... 12.

11. Discal and subapical crossbands widely connected at least in cell r 2+3 ( fig. 7, 5). ........... R. zernyi Hendel

— Discal and subapical crossbands entirely separated ( fig. 7, 6). ............................... R. flavigenualis Hering

12. Smaller: WL ♂ <2.45mm (2.0–2.4mm), WL ♀ <2.55mm (2.2–2.5 mm). Larvae in Rhamnus ................ ........................................................................................................................ R. bagheera Richter & Kandybina

— Larger: WL ♂ > 2.45mm (2.5–3.2mm), WL ♀ > 2.55mm (2.6–3.2mm).................................................. 13.

13. Fore femur mostly black, except yellowish ventral side. Larvae in Hippophae . .............. R. batava Hering

— Fore femur mostly yellow, except brownish dorsal band. Larvae in Juniperus ..... R. sp. near flavigenualis