walnut husk fly

noun

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

Example Sentences

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

Read more on Project Gutenberg

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

Read more on Project Gutenberg

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.

Read more on Project Gutenberg