Rhagoletis ribicola

Common name  

dark currant fly

Description

Typical of Rhagoletis larvae with the following specific characteristics for the 3rd instar:

Body. Medium-sized; body length ~8mm.

Head. Stomal region: 6 sclerotized stomal guards present. Oral ridges present; number of oral ridges 12–13; margins entire. Accessory plates absent. 

Anterior spiracles. Anterior spiracle concave medially, appearing bilobed. Anterior spiracular tubules ~16.

Spinules and creeping welts. Dorsal spinules on segments T1-A2.

Caudal segment (A8) and anal lobes. Anal lobes plainly visible, but not protuberant.

Posterior spiracles. Slits ~3x longer than wide. Dorsal spiracular processes long; with relatively few trunks. Number of dorsal spiracular processes 3–5. Number of ventral spiracular processes 3–5. Number of lateral spiracular processes 3.

Host plants

Family	Genus
Grossulariaceae	Ribes

Part of plant attacked: fruit.

Biogeographic region and distribution

Nearctic

Canada and USA (British Columbia and Wyoming, south to California and New Mexico).
 

Adult taxonomy

Rhagoletis ribicola Doane
Rhagoletis ribicola Doane 1898: 69.—USA. e. Washington: Washington Experiment Station. LT ♀ WSU.
Lectotype designated by Bush 1966: 505; type data (Foote 1966: 124, Zack 1984: 32).
 

References

Carroll, L. E., A. L. Norrbom, M. J. Dallwitz, and F. C. Thompson. 2004 onwards. Pest fruit flies of the world – larvae. Version: 8th December 2006. http://delta-intkey.com.

White, I. M., and M. M. Elson-Harris. 1992. Fruit flies of economic significance: their identification and bionomics. CAB International; Wallingford, UK. 601 p.