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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Scarabaeoidea » Stag Beetles (Lucanidae) » Lucaninae » Lucanini » Dorcus » Dorcus parallelus
Photo#541377
Dorcus parallelus
Copyright © 2011 Cotinis

Dorcus parallelus
Snowhill Road north of Cabin Branch Creek, Durham County, North Carolina, USA
June 10, 2011
Size: 20 mm
Found dead under a lighted doorway. Body length 20 mm, tip of elytra to base of mandibles.
Confirmation of this ID appreciated. Is this a female or a male?
My first of this species, but I want a live one!
Confirmation or refutation of my ID appreciated. I do not have any references that key D. parallelus from D. brevis, so I'm not sure exactly what to look for.
(Update 29 November 2011: Thanks to MJ Paulsen for correction of ID.)

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Dorcus parallelus Dorcus parallelus Dorcus parallelus Dorcus parallelus Dorcus parallelus
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Contributed by Cotinis on 7 July, 2011 - 7:32am
Last updated 29 November, 2011 - 6:07am

Moved
Moved from Dorcus brevis.
… MJ Paulsen, 28 November, 2011 - 9:53am login or register to post comments

see latest paper
link to Paulsen 2010 - it looks like it's downloading slow, so I e-mailed you a copy. Good paper.
… Phillip Harpootlian, 7 July, 2011 - 9:22am login or register to post comments

 
OK, ideas on species?
Thanks for the paper. Looking at figs 3-4 showing females of this genus, now this looks more like D. brevis, since D. parallelus has "posterior pronotal angle distinctly removed from the base of the elytra." However I'm not sure at all. Compare this female D. parallelus we have in the guide:

I guess mine looks more like D. brevis.
I took a good series of photos, but believe I discarded this specimen.
… Cotinis, 7 July, 2011 - 12:05pm login or register to post comments

 
from what I can see, I'd say
D. brevis, minor male
… Phillip Harpootlian, 7 July, 2011 - 7:29pm login or register to post comments

 
additional images


Do these add anything?
… Cotinis, 7 July, 2011 - 8:57pm login or register to post comments

 
yes they do, I'm having
second thoughts, still a minor male - can you clean the mandibles?
… Phillip Harpootlian, 7 July, 2011 - 9:04pm login or register to post comments

 
sorry...
I discarded this specimen, unfortunately.
It was not in great shape, at any rate. It really did seem to be intermediate between the two species in several characters shown in the paper.
Oh well.
… Cotinis, 7 July, 2011 - 10:50pm login or register to post comments

i would say, girl
Phil would know
… v belov, 7 July, 2011 - 7:40am login or register to post comments

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