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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Dascilloidea » Cicada Parasite Beetles (Rhipiceridae) » Sandalus » Cedar Beetle (Sandalus niger)
Photo#589471
Beetle with antlers - Sandalus niger - male
Copyright © 2011 john and jane balaban

Beetle with antlers - Sandalus niger - Male
Balaban yard, Skokie, Cook County, Illinois, USA
October 9, 2011
We were cleaning the garage when this guy appeared out of nowhere. Again, feel free to frass any images that aren't useful.

Images of this individual: tag all
Beetle with antlers - Sandalus niger - male Beetle with antlers - Sandalus niger - male Beetle with antlers - Sandalus niger - male Beetle with antlers - Sandalus niger - male Beetle with antlers - Sandalus niger - male
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Contributed by john and jane balaban on 22 October, 2011 - 9:39pm
Last updated 11 February, 2018 - 4:21pm

Interesting!
We take it this is the male? Quite the set of chompers on him!
… john and jane balaban, 22 October, 2011 - 10:13pm login or register to post comments

 
Male
Yes this is the male with the large expanded antennae. Much more common to see the males than the females in my experience.
… Brad Barnd, 22 October, 2011 - 11:18pm login or register to post comments

Moved
Moved from ID Request.
… Brad Barnd, 22 October, 2011 - 9:49pm login or register to post comments

 
?niger
Great photos! These things are not commonly seen. I think it's niger based on the lateral margin of the pronotum being more rounded (or at least that's what I think the three images show). Compare to and please read my comments under . I have little data to back this up but based on the very few specimens of both that I've personally seen in the field (1 niger and 4 petrophya) I think that niger may have a more midwestern distribution and also flies later in the year as compared to petrophya.
… Frank Guarnieri, 23 October, 2011 - 6:07am login or register to post comments

 
Thanks, Frank
We added two closer crops of the pronotum and lightened them some so that maybe you can see the edge better.
… john and jane balaban, 5 November, 2011 - 8:44pm login or register to post comments

 
S. niger
The straight thoracic shape is pretty diagnostic for S. niger. It's more pentagonal in S. petrophyta.
… Joe R., 11 February, 2018 - 3:53pm login or register to post comments

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