Bombyliidae on Phlox diffusa? - Eulonchus tristis - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Small-headed Flies (Acroceridae) » Eulonchus » Eulonchus tristis

Photo#961881

Copyright © 2014 Kelsey J.R.P. Byers

Bombyliidae on Phlox diffusa? - Eulonchus tristis -

Mount Rainier, Pierce County, Washington, USA
July 19, 2014

These two long-tongued flies (I'm guessing Bombyliidae, but have never seen such metallic ones) flew around in copula for a while; the female kept feeding off of various Phlox diffusa flowers.

Images of this individual: tag all

Bombyliidae on Phlox diffusa? - Eulonchus tristis - male - female

Bombyliidae on Phlox diffusa? - Eulonchus tristis - male - female

Bombyliidae on Phlox diffusa? - Eulonchus tristis - male - female

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Contributed by Kelsey J.R.P. Byers on 21 July, 2014 - 7:37pm
Last updated 30 September, 2016 - 3:12pm

Moved

Moved from Eulonchus.

… Dennis Haines, 30 September, 2016 - 3:12pm

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Wonderful, many thanks! Very

Wonderful, many thanks! Very glad to see this pair get to species.

… Kelsey J.R.P. Byers, 30 September, 2016 - 3:17pm

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The new key...

to the genus just came out and cleared up some things so that an identification could be made.

… Dennis Haines, 30 September, 2016 - 4:05pm

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Moved

Moved from Small-headed Flies.

Yes, these are Eulonchus...I can (barely) make out the ocellar tubercle in the last image. But which species I'm not sure (possibly E. tristis?). Dennis Haines or Chris Borkent may be able to determine the species. I believe Chris is working on a long-awaited revision of the genus, which will be wonderful to have...but I don't know what the estimated time-frame is for completing that project.

… Aaron Schusteff, 23 July, 2014 - 2:38am

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Wonderful! Sorry for the cru

Wonderful! Sorry for the cruddy quality - lots of rapid fly (eye?) movements. I'm not familiar with the systematics of this family, so it's neat to have a bit of the inside perspective. Thanks!

… Kelsey J.R.P. Byers, 23 July, 2014 - 3:00am

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Moved

Moved from ID Request.

… v belov, 21 July, 2014 - 7:39pm

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Thanks! Probably Eulonchus,

Thanks! Probably Eulonchus, then, given the long proboscis and the absence of Lasia species in the Pacific Northwest?

… Kelsey J.R.P. Byers, 21 July, 2014 - 7:42pm

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