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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Genus Plionoma

Cerambycid - Plionoma suturalis Plionoma suturalis (LeConte) - Plionoma suturalis - female Plionoma suturalis (LeConte) - Plionoma suturalis - female Plionoma rubens (Casey) - Plionoma rubens - male Plionoma suturalis Longhorn beetle? - Plionoma suturalis Mating Long-horned Beetles - Plionoma suturalis - male - female Plionoma rubens? - Plionoma rubens
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 Cerambycinae
Tribe Trachyderini
Subtribe Trachyderina
Genus Plionoma
2 spp. in our area, 3 spp. total(1)
P. rubens: 10-12 mm, pale reddish, eyes more widely separated, body vestiture longer and denser; P. suturalis: 10-16 mm, black or reddish black, eyes closer together, hairs shorter and scattered(2)
sw. US (TX-CA), n. Mexico(1)
Works Cited
1.A Photographic Catalog of the Cerambycidae of the New World
2.Field Guide to Beetles of California
Arthur V. Evans and James N. Hogue. 2006. University of California Press.