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Genus Nothopleurus

Hardwood Stump Borer (Mallodon dasystomus)??  In Arizona? - Nothopleurus lobigenis - female Hardwood Stump Borer (Mallodon dasystomus)??  In Arizona? - Nothopleurus lobigenis Big Prionid - Nothopleurus lobigenis - female Ventral shot - Nothopleurus lobigenis Male prionid with long mandibels - Nothopleurus lobigenis - male Female prionid from the same site as the male - Nothopleurus lobigenis - female Female prionid from the same site as the male - Nothopleurus lobigenis - female Longhorn - Nothopleurus lobigenis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Longhorned Beetles)
Subfamily Prioninae
Tribe Macrotomini
Genus Nothopleurus
Numbers
Two species, N. madericus, logipenis
Identification

after Chemsak 1996
-Integument medium to dark reddish brown; mandibles tumid, outer margins rather strongly, evenly arcuate from base to tip, only slightly longer than head. Length, exclusive of mandibles, 26-43mm. North central Arizona to NW Mexico .... N madericus
-Integument very dark brown to piceous; mandibles not tumid, outer margins straight or slightly arcuate over basal 2/3, then abruptly inflexed to tip, distinctly longer than head in males. Length, exclusive of mandibles, 20-42mm. Texas to California, Mexico .... N lobigenis
Range
AZ, CA, TX