balloon fly

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wasp. Vespid Wasp (Vespidaea) with antennas and compound eyes drink nectar from a cherry. Hornets largest eusocial wasps, stinging insect in the order Hymenoptera, related to bees. Pollination

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balloon fly

insect

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National Center for Biotechnology Information - PubMed Central - New genera of philopotine spider flies (Diptera, Acroceridae) with a key to living and fossil genera

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Also known as: Acroceridae, small-headed fly

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Also called:: small-headed fly

Related Topics:: Brachycera

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balloon fly, (family Acroceridae), any member of a family of flies in the insect order Diptera that are named for their swollen abdomen. It is also characterized by an extremely small head and a humped back. Some adults have a slender proboscis (feeding organ) and feed from flowers, whereas others lack a proboscis and probably do not feed in their adult stage. Eggs are laid on leaves and flowers. Upon hatching, the larvae are small and flat. They eventually come in contact with a spider that they board. They then burrow into the spider’s body, where they feed as internal parasites.

This article was most recently revised and updated by Amy Tikkanen.