More on the Beefly

Bombylius major flies with its thorax and abdomen oriented at about a forty five degree angle relative to the horizon.  It can fly fast enough to be hard to follow with the eye, and it can hover in place for several seconds.

I watched ours for a while.  It is reported that the larva parasitize the nests of ground-dwelling bees, and that the females place their eggs in the entrance tunnels of those bees.  I was not able to observe this behavior.

This is a fun fly to watch.

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About the roused bear

Nature photographer from central Iowa.
This entry was posted in Biological diversity, diptera, insects and tagged , , . Bookmark the permalink.

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