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Giant Root Borer (male)

Prionus Laticollis


Inch-long, shiny black. Long thick antennae, segments conical; overlapping in male, cylindrical in female. Nocturnal, but this was shot in mid-day on deck. "It's the largest North American long-horned beetle, rivaling in weight the Rhinoceros Scarab." (Audubon Society Field Guide to North American Insects and Spiders)


Coniferous forests.


Wooded hillside, Smoky Mountains, Tennessee.

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Ron Rockwell
Spotted by
Ron Rockwell

Tennessee, USA

Spotted on Aug 22, 2017
Submitted on Jul 16, 2018

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