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 Asilidae: Stichopogon argenteus [was Unknown fly on sand (USA)]
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| syncrasy |
Posted on 02-07-2010 16:38
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Member Location: Chicago Posts: 38 Joined: 23.06.10 |
I can't find this fly in any of my field guides. Seen late June in a dune/scrub habitat near a northeastern Illinois beach. Click image to enlarge. 
Edited by syncrasy on 07-07-2010 13:46 |
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| syncrasy |
Posted on 03-07-2010 03:43
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Member Location: Chicago Posts: 38 Joined: 23.06.10 |
Anyone willing to point me in the right direction? (family? genus?) |
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| Eric Fisher |
Posted on 03-07-2010 06:04
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 Member Location: California Posts: 435 Joined: 19.05.06 |
Asilidae: Lasiopogon sp. |
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| syncrasy |
Posted on 03-07-2010 12:09
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Member Location: Chicago Posts: 38 Joined: 23.06.10 |
Thanks, Eric! |
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| Eric Fisher |
Posted on 03-07-2010 19:41
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Member Location: California Posts: 435 Joined: 19.05.06 |
You're welcome syncrasy -- except, I'm afraid I screwed-up! This robber fly is actually Stichopogon[ argenteus/i]. The genera [i]Stichopogon and Lasiopogon are related, but I was careless... Cheers, Eric |
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| syncrasy |
Posted on 04-07-2010 20:53
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Member Location: Chicago Posts: 38 Joined: 23.06.10 |
No problem, Eric. Thanks for the update. (If I had a better photo, it might have helped.) |
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| Ktyr |
Posted on 28-06-2014 18:58
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Member Location: Michigan, USA Posts: 27 Joined: 21.01.12 |
For what it's worth (four years after the matter!), I'm pretty sure this is actually Stichopogon trifasciatus instead. S. argenteum has the abdomen all light grey, while S. trifasciatus has first tergite grey, next two black, next one grey, next three black, genitalia grey, and its grey is more of the steel-grey variety (like here). You can just make out that pattern through the wings. For comparison, look at this guy: http://bugguide.net/node/view/579680/bgimage |
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