onion fly

British  

noun

1. a small grey dipterous insect, Delia antiqua, that is a serious pest of onions. The larvae destroy the bulbs

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Example Sentences

The onion fly may, in part, at least, be abated by the use of equal parts of wood ashes and land plaster dusted very thoroughly on the young plants.

From Project Gutenberg

The dipterous garden pests, such as the onion fly, carrot fly and celery fly, can best be kept in check by the use of paraffin emulsions and the treatment of the soil with gas-lime after the crop is lifted.

From Project Gutenberg

Other remedies are suggested in the article on Onion Fly, Page 420.

From Project Gutenberg

As a crowning advantage this system, to a large extent, prevents attack from the Onion Fly.

From Project Gutenberg

Onion Fly.—Onions are frequently attacked by the larvæ of the Onion Fly, and in some instances the entire crop is destroyed.

From Project Gutenberg