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For Insects, Spiders & Their Kin
For the United States & Canada
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Subfamily Prioninae

Palo Verde Root Borer - Derobrachus hovorei Nice Longhorn - Derobrachus thomasi longhorn beetle, prionus derobrachus? - Prionus heroicus Brown Prionid - Orthosoma brunneum Orthosoma brunneum Cerambycidae - Mallodon dasystomus ? - Mallodon dasystomus beetle - Prionus imbricornis Prionus heroicus - male
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
Explanation of Names
Prioninae Latreille 1802
37 spp. in 13 genera of 5 tribes in our area; >350 spp. in ~100 genera of 9 tribes in the New World(1); 20 tribes worldwide(2)
our spp. 25-70 mm; world's largest beetles are members of this subfamily
Large, robust, usually brown to black; antennae long, prominent, sometimes flattened. Often sexually dimorphic; males having large, strong jaws (presumably used in intraspecific fights).(3)
by far more diverse in the tropics (in our area, in so. US) but a few spp. range far north(1)
Larvae usually in rotting wood, often wood in contact with soil (roots/stumps)
adults nocturnal, come to lights; tree-associated species often have gregarious larvae(3)