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subgenus Cnemotrupes (Geotrupes subgenus Cnemotrupes)
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Ulke's Earth Boring Beetle (Geotrupes ulkei)
Photo#47893
Copyright © 2006
Frank Guarnieri
Geotrupes ulkei
7 km east of Paw Paw, 39.5230, -78.3632, Morgan County, West Virginia, USA
August 1, 2012
Size: 14 mm
Many were seen crawling through leaf litter in wooded ravine at night.
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Contributed by
Frank Guarnieri
on 14 April, 2006 - 8:44am
Last updated 29 December, 2024 - 3:29pm
Geotrupes
Being a french entomologist interrested in Geotrupidae (also in other Scarabaeidae,Trichiotinus, Calosoma, Carabus....)I hope to be in touch with american colleagues in order to exchange comments and specimens.
A. Laforgue
coleo81atwanadoo.fr
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A.Laforgue
, 31 May, 2007 - 11:02am
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Geotrupes ulkei
ID'd by Phillip Harpootlian. The small size and lack of elytral striations (only rows of punctures) separate this beetle from the other Geotrupes. According to Phillip, it is a flightless species with fused elytra. Apparently this is an uncommon and very local beetle of the Southern Appalachians usually found at over 3000 feet. He was surprised that I found them at the northeastern tip of WV at under 1000 feet and also that they are common at that locale. (This is a lousy image. Way to dark although I don't know why I am just realizing this now! The actual beetle is very shiny with bright blue elytral margins. I'll try to post a lighter image later).
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Frank Guarnieri
, 14 April, 2006 - 9:01am
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new image
By the way, thanks to whoever tried to lighten this up digitally... actually turned out pretty good. I'm posting a lighter exposure now which still isn't perfect but you can better see that there are rows of punctures instead of striations.
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Frank Guarnieri
, 7 June, 2006 - 9:09pm
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yes ..
this is better - really shows the details. Obviously can't tell from a photo, but has vestigial wings and the elytral suture is fused - best seen if you find a dead specimen or part of one.
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Phillip Harpootlian
, 9 June, 2006 - 11:58am
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probable northern range extension
The last literature accounts I'm aware of list a couple of mtn. passes in Shenandoah N.P. as the furthest north this sp. occurs.
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Phillip Harpootlian
, 14 April, 2006 - 9:55am
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