fall webworm

American  

noun

1. webworm

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Etymology

Origin of fall webworm

An Americanism dating back to 1860–65

Example Sentences

This insect can be controlled with the same spray treatments that are recommended for the fall webworm, and also by crushing or burning the caterpillars when they are clustered on the lower limbs or tree trunks.

From Project Gutenberg

In the East injury is confined largely to certain caterpillars infesting the foliage, as the white-marked tussock moth, the fall webworm, a species of Datana, and occasionally reports of severe injury from red spider are received.

From Project Gutenberg