Distribution of the apple maggot Rhagoletis pomonella (Diptera: Tephritidae) in Oregon

M. T. AliNiazee, R. L. Westcott

Abstract


Data from a four-year (1981-1984) distributional study suggest that, in Oregon, the apple maggot <i>Rhagoletis pomonella</i> (Walsh) is established in the interior valleys (especially the Willamette Valley) along the Columbia River Gorge and at isolated locations along the Oregon coast. An analysis of the general distribution pattern and some earlier records suggests that the apple maggot may have been in Oregon for nearly four decades.

Keywords


apple maggot; <i>Rhagoletis pomonella</i>; Diptera; Tephritidae

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References


AliNiazee, M.T. 1985. Opiine parasitoids (Hymenoptera: Braconidae) of Rhagoletis pomonella and R. zephyria (Diptera: Tephritidae) in the Willamette Valley, Oregon. Can. Entomol. 117:163-166.

AliNiazee. M.T. and R.L. Penrose. 1981. Apple Maggot in Oregon: A possible ,ew threat to the Northwest apple industry. Bull. Entomol. Soc. Amer. 27:245-246.

AliNiazee, M.T. and J.F. Brunner. (In press.) Apple maggot in the western United States: A review of its establishment and current approaches to management. J. Ent. Soc. Brit. Columbia.

Westcott, R.L. 1982. Differentiating adults of apple maggot, Rhagoletis pomonella (Walsh) from snowberry maggot, R. zephyria Snow (Diptera: Tephritidae) in Oregon. Pan Pacific Entomol. 58:25-30.


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