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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Scarabaeoidea » Stag Beetles (Lucanidae) » Lucaninae » Lucanini » Lucanus » Cottonwood Stag Beetle (Lucanus mazama)
Photo#1264837
Cottonwood Stag Beetle - Lucanus mazama - male
Copyright © 2016 Carla Kishinami

Cottonwood Stag Beetle - Lucanus mazama - Male
Kohl's Ranch, elev ca. 5320 ft., Gila County, Arizona, USA
July 25, 2016
Size: 1 5/16 in. (= 33 mm)
Ponderosa Pine/Juniper/Oak forest vicinity of Tonto Creek. Came to house lights at night.

Images of this individual: tag all
Cottonwood Stag Beetle - Lucanus mazama - male Cottonwood Stag Beetle - Lucanus mazama - male Cottonwood Stag Beetle - Lucanus mazama - male
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Contributed by Carla Kishinami on 26 July, 2016 - 2:36pm
Last updated 27 July, 2016 - 7:17pm

Moved
SORRY!!!! Total brain fart and selected the wrong one.

Moved from Lucanus placidus.
… Blaine Mathison, 27 July, 2016 - 7:17pm login or register to post comments

 
Laughing!
Thanks so much for all the work you do for BG, Blaine.
… Carla Kishinami, 27 July, 2016 - 7:39pm login or register to post comments

Moved, Lucanus placidus
Moved from ID Request.
… Blaine Mathison, 27 July, 2016 - 8:12am login or register to post comments

Nice Photos
Nice series of photos, Carla
… Robert Lord Zimlich, 26 July, 2016 - 11:53pm login or register to post comments

 
Thanks for the
compliment on the photos.

I had thought it was Lucanus mazama (Common name given in the guide as Cottonwood Stag Beetle) so am wondering what makes it L placidus. The head features look much more like L mazama to me and the collection locality (Arizona) fits mazama better.

In looking at the photos of placidus I see that the mandibles have some "teeth" on them, but many of the photos of mazama have smooth mandibles, like my specimen. Also the shape of the front part of the head differs: in the photos of placidus the labrum(?) has a distinct projection in the middle whereas mazama is straight across with a flat front.

I'm a biologist but not an entomologist. Feel free to educate me, and thanks for helping with BugGuide.

I happened to get a female last night and will post photos of it.
… Carla Kishinami, 27 July, 2016 - 10:11am login or register to post comments

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