Some of the largest moths in the world belong to the hawk, or sphinx, moth family. As larvae, most hawk moths have a “horn” at the end of their body. One of the most familiar hawk moth caterpillars is the Tobacco Hornworm, found on tomato plants. Most species produce several generations a summer, pupating underground and emerging after two or three weeks. One exception is the Galium Sphinx Moth (Hyles gallii) pictured, which usually has only one generation a year. In the fall the larvae, or caterpillars, work their way underground where they overwinter as pupae inside cocoons in a shallow burrow, emerging as adult moths next spring.
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