The Bombyliidae are a family of flies. Their common name are bee flies or humbleflies. Adults generally feed on nectar and pollen, some being important pollinators. Larvae generally are parasitoids of other insects.
Overview
The Bombyliidae are a large family of flies comprising hundreds of genera, but the lifecycles of most species are known poorly, or not at all. They range in size from very small (2 mm in length) to very large for flies (wingspan of some 40 mm). When at rest, many species hold their wings at a characteristic "swept back" angle. Adults generally feed on nectar and pollen, some being important pollinators, often with spectacularly long probosces adapted to plants such as Lapeirousia species with very long, narrow floral tubes. Unlike butterflies, bee flies hold their proboscis straight, and cannot retract it. In parts of East Anglia, locals refer to them as beewhals, thanks to their tusk-like appendages.
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