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How To Be A Good Host

Bot flies are large, stout bodied, hairy flies that resemble bumblebees. But how they reproduce is what makes them interesting: 1) An egg-laden female botfly captures a night-flying female mosquito and glues her eggs on to it. 2) When the mosquito is released and bites a victim, the host's body heat triggers an egg to hatch. 3) It falls off and burrows in. Even more interesting is that sometimes, this happens on humans! [YouTube/NSFSqueamish] And on humans sometimes, this happens in the most inconvenient [pdf] of places.
posted by humannaire on Dec 14, 2007 - 59 comments

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