Submitted to The Friday Ark
Friday, August 11, 2006
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Thomasburg is a small hamlet in the Municipality of Tweed in eastern Ontario. Behind my home here is a fallow field, swamp, cedar bush, old apple orchard and woods. Almost every day I take the same walk through this territory to see who's been by, and try to figure out what they've been up to.
Ouch- bad day for the guy on the bottom!
Yes. I couldn't tell if the captive was still alive but its eyes seemed to be imploring me for help.
Robber flies tend to be pretty efficient predators, so I doubt the moth suffered long.
So that's a robber fly! I had no idea how to even start trying to find out. Thanks very much, Bev. The only thing I knew was that I have found shed exoskeletons of creatures like this one around, so I presume they aren't uncommon.
Pamela - Robber flies are actually quite common. You'll often see them sitting on a leaf in some spot where they can watch what's happening in the garden or along a footpath. They move very quickly, just darting out, grabbing the insect, and then returning to their favourite perch. I'm not sure of the ID of that one, but maybe from the subfamily Asilinae (of the Family Asilidae). Here's is the collection of Asilinae on BugGuide.net.
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