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Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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Genus Nothopleurus

Hardwood Stump Borer (Mallodon dasystomus)??  In Arizona? - Nothopleurus lobigenis Male prionid with long mandibels - Nothopleurus lobigenis - male Female prionid from the same site as the male - Nothopleurus lobigenis - female Nothopleurus madericus  - Nothopleurus madericus - female Nothopleurus? - Nothopleurus lobigenis Nothopleurus? - Nothopleurus Large female - Nothopleurus lobigenis - female Female, Mallodonini? - Nothopleurus madericus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Prioninae
Tribe Mallodonini
Genus Nothopleurus
Explanation of Names
Nothopleurus Lacordaire 1869
2 spp. in our area, 4 spp. in the New World(1)

Key from(2) (length indicated sans mandibles)
Medium to dark reddish brown; mandibles tumid, outer margins rather strongly, evenly arcuate from base to tip, only slightly longer than head. 26-43 mm. (nc. AZ to nw. Mexico) .... madericus
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. 20-42 mm. (TX-CA, Mexico) .... lobigenis
sw. US (TX-CA) to Honduras(1)