Small-headed Fly

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Small-headed flies (Acroceridae family) go against the grain of stereotypical fly behavior.

Unlike many other fly families, most adult small-headed flies are flower feeders. They are known for their extended proboscis. The above picture partially shows the proboscis reaching to the bottom of the flower for nectar.

Juvenile or larvae small-headed flies display equally remarkable behavior. They are carnivores, of spiders no less. Adults usually lay eggs near spider habitat. Young larvae hop on passing spiders, burrow inside, and proceed to feed on the spider.

© 2006 Patricia A. Michaels