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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Longhorn Beetles (Cerambycidae) » Prioninae » Prionini » Prionus » subgenus Prionus (Prionus subgenus Prionus) » Prionus lecontei
Photo#1702857
Prionus beetles - Prionus lecontei
Copyright © 2019 Heide Keeble

Prionus beetles - Prionus lecontei
Mariposa, Mariposa County, California, USA
July 20, 2019
Size: Approx 2”
I saw quite a few Prionus beetles, and thought they were all Prionus californicus. However, someone suggested on my iNaturalist upload that this one was actually P. lecontei. Which one is this, and what is the best way to differentiate between them?

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Prionus beetles - Prionus lecontei Prionus beetles - Prionus lecontei
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Contributed by Heide Keeble on 30 July, 2019 - 2:44pm

Moved
Moved from ID Request.

P. californicus generally has 12 antennal segments while P. lecontei has 13. The lobes on the antennal segments for P. lecontei are much more pronounced, as in this specimen.
… Brady Richards, 30 July, 2019 - 3:07pm login or register to post comments

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