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Photo#203075
Male prionid with long mandibels - Nothopleurus lobigenis - male

Male prionid with long mandibels - Nothopleurus lobigenis - Male
Picture Rocks, NW of Tucson, Pima County, Arizona, USA
July 17, 2008
Size: 47 mm
After the discussions about the large long-horned beetles around Tucson, I got curious and went looking for a male - at our only night-lighted place in Picture Rocks, the gas station (unleaded $3.869). I found several females, several male Derobrachus, and this guy.

Images of this individual: tag all
Male prionid with long mandibels - Nothopleurus lobigenis - male Male prionid with long mandibels - Nothopleurus lobigenis - male Male prionid with long mandibels - Nothopleurus lobigenis - male Male prionid with long mandibels - Nothopleurus lobigenis - male

Moved
Moved from Macrotomini.

Nothopleurus lobigenus
Wow Margarethe, great beetles and gas for under $4! What more could you ask for?

 
Are you absolutely certain th
Are you absolutely certain this is a male?

 
I think so
foolproof sign when the beetle is alife?

 
The female mandibles should b
The female mandibles should be shorter than the head and more strongly curved. The fifth abdominal sternite on the male is very transverse and has a dense fringe of golden hairs. The female fifth sternite is moderately long with a broadly emarginate apex.

 
I am adding
abdominal detail to the picture of the female. http://bugguide.net/node/view/203150

 
Abdominal segments ventral shot added
http://bugguide.net/node/view/203154
yes, it is a boy!

 
Yes, its a male Nothopleurus
Yes, its a male Nothopleurus lobigenus.