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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
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Photos from the last gathering (Minnesota 2007)

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Photo#42431
Longhorns on Rose - Strangalia luteicornis - male - female

Longhorns on Rose - Strangalia luteicornis - Male Female
East of Buckhannon, Upshur County, West Virginia, USA
July 4, 2003
Mating longhorns on a wild-growing rose. Note the detail of the male's being joined to the female.

Do folks agree, Strangalia luteicornis?

Yes, S. luteicornis
Yes, I agree. That thing joining the male and female is something like a spermatophore. I've seen it before in Typocerus velutinus:



Patrick Coin
Durham, North Carolina

 
Thanks
Thanks, Patrick. I thought the light antennae made the ID fairly secure, even though not the "yellow horns" referred to by the Latin specific name. They're not black, anyway.

I'm no expert on insect reproduction. I have read about spermatophores, and that in some species the male simply leaves the spermatophore in the soil for the female to pick up. In other cases I assume the male genitalia is involved? I guess my first thought was that that was the male genitalia visible in the photo, but as I say, I know very little about insect reproduction.

--Stephen

Stephen Cresswell
Buckhannon, WV
www.stephencresswell.com

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