walnut husk fly

American  

noun

1. any of several fruit flies, as Rhagoletis completa, the larvae of which feed on and discolor walnut husks.

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Example Sentences

Incidentally, he is the man who has been mainly responsible for the development of the walnut husk fly control program for the nut industry in California.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association

I have shown here the emergence date of the various species, including the cherry fruit flies, the apple maggot and the walnut husk fly.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association

Some walnut husk fly probably occurs there, but they are predominantly apple-growing areas.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association