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Photo#974136
Is this a Cerambycid? - Tenomerga cinerea

Is this a Cerambycid? - Tenomerga cinerea
Hollis, Hillsborough County, New Hampshire, USA
August 8, 2014
Size: 1/2 inch without antennae

Images of this individual: tag all
Is this a Cerambycid? - Tenomerga cinerea Is this a Cerambycid? - Tenomerga cinerea Is this a Cerambycid? - Tenomerga cinerea

Thanks so much, Brady! A new
Thanks so much, Brady! A new family for me. Its legs/pro-meso sternum did remind me of click beetles, but didn't know where to go with that. Are the legs and antennae at rest good indicators?

 
Cheated
I have to admit, I cheated on the ID of your beetle. There are four species known from North America, two of which occur in the East and I have specimens of both species in my collection.

To get to the family in most keys is pretty quick and easy. The prothorax has notopleural sutures (as in the Carabidae, Gyrinidae, etc.); the hind coxae are free (not fused to the metasternum); then the antennae are filiform or sub-moniliform (bead-like). Check out the American Beetles books. Volume 1 (1) has the chapter on Cupedidae, but the key to families is in Volume 2 (2). I still use the family keys from one of the editions of Borror & DeLong. I think this one (3) is the latest edition.

I'm fortunate to have one of the two western species, Priacma serrata, in my backyard. They are attracted to bleach, usually in great numbers.

Moved
Moved from ID Request.

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