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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Scarabaeoidea » Earth-Boring Scarab Beetles (Geotrupidae) » Geotrupinae » Geotrupes » subgenus Anoplotrupes (Geotrupes subgenus Anoplotrupes) » Baly's Earth Boring Beetle (Geotrupes balyi)
Photo#553599
Is this another Geotrupes splendidus? - Geotrupes balyi
Copyright © 2011 James Reben

Is this another Geotrupes splendidus? - Geotrupes balyi
Washington, Knox County, Maine, USA
July 28, 2011
Size: 13-15mm
I think I found another at the same lake camp, can an expert confirm please?
How can one distinguish between male and female?

Thanks!

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Is this another Geotrupes splendidus? - Geotrupes balyi Is this another Geotrupes splendidus? - Geotrupes balyi Is this another Geotrupes splendidus? - Geotrupes balyi Is this another Geotrupes splendidus? - Geotrupes balyi
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Contributed by James Reben on 28 July, 2011 - 8:53pm
Last updated 20 June, 2019 - 2:41pm

Moved
Moved from Geotrupes.
… v belov, 20 June, 2019 - 2:41pm login or register to post comments

Yep, Geotrupes balyi is corre
Yep, Geotrupes balyi is correct.
… Ryan Selking, 20 June, 2019 - 2:31pm login or register to post comments

Geotrupes balyi
You can see that the sutural stria wraps around the scutellum. that narrows it down to balyi or hornii. hornii is jet black while balyi always has a metallic blue or green sheen (or at least that is what Phil Harpootlian who is the expert here taught me).
… Frank Guarnieri, 29 July, 2011 - 8:23pm login or register to post comments

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