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Genus Prionus

Prionus Beetle, maybe P. heroicus ? - Prionus heroicus Ground Beetle (what's coming out the back?) - Prionus laticollis - female Longhorn Beetle - Prionus laticollis Prionus fissicornis? - Prionus fissicornis - female Root borer larva, jaws - Prionus laticollis Broad-necked Root Borer - Prionus laticollis California Prionus, Prionus californicus, please confirm - Prionus Cerambycidae - Prionus
Classification
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)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Prioninae
Tribe Prionini
Genus Prionus
Pronunciation
PRY-oh-nus(1)
Synonyms and other taxonomic changes
Prionus Geoffroy 1762
Explanation of Names
Greek prion 'saw'(2)
Numbers
16 spp. in 4 subgenera in our area (26 spp. in 5 subgenera in the New World(3), many more in Eurasia) as follows:(4)
subg. Prionus Geoffroy; 12-13 antennomeres, generally distributed
P. californicus Motschulsky (♂ 24-45mm, ♀ 38-55mm) w. NA
P. heroicus Semenov (♂ 27-51mm, ♀ 35-50mm) sw. US (AZ, NM)
P. laticollis (Drury) (♂ 22-32mm, ♀ 31-44mm) e. NA
P. lecontei Lameere (♂ 30-45mm, ♀ 52-60mm) w. NA
P. pocularis Dalman in Schoenherr (♂ 25-38mm, ♀ 28-45mm) e. NA
subg. Homaesthesis LeConte; 12-14 antennomeres, dull, not striolate, central and western US
P. arenarius Hovore (♂ 17-33mm, ♀ 20-24mm) sw. US (TX, NM)
P. emarginatus Say (♂ 17-22mm, ♀ 22-25mm) c. US (CO, WY, NM)
P. integer LeConte (♂ 24-25mm, ♀ 20-22mm) c. US (ID, NE, UT, CO, KS)
P. linsleyi Hovore (♂ 16mm, ♀ 20mm) sw. US (AZ)
P. palparis Say (♂ 24-37mm, ♀ 35-40mm) sc. US (AZ, NM, CO, KS, NB, OK)
P. rhodocerus Linsley (♂ 19-25mm, ♀ 23mm) wc. US (KS, NB, NM, AZ, CO, UT)
P. simplex (Casey) (♂ 22-25mm, ♀ ?mm) c. US (KS)
P. spinipennis Hovore & Turnbow (♂ 20-32mm, ♀ 29-30mm) sw. US (NM, TX)
subg. Neopolyarthron Semenov; 15-20 antennomeres
P. debilis Casey (♂ 20-28mm, ♀ 34-36mm) c. US (IA, IL-LA, TX)
P. imbricornis (Linnaeus) (♂ 24-39mm, ♀ 32-50mm) e. US-TX
subg. Antennalia Casey; 25-30 antennomeres
P. fissicornis Haldeman (♂ 27-36mm, ♀ 32-40mm) c. US (MT-TX)
Identification
Sexual dimorphism obvious. Twelve or more antennomeres; distinctly poriferous in males, less in females:
Range
primarily holarctic; in NA, from so. Canada to Mexico + 1 sp. in the Dominican Republic(3)