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TaxonomyBrowse
Info
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Species Prionus imbricornis - Tile-horned Prionus

Root Borer - Prionus imbricornis Prionus on my porch? - Prionus imbricornis - male BG2544 E1009 - Prionus imbricornis ? - Prionus imbricornis Prionus imbricornis - Tile-horned Prionus - Prionus imbricornis Some Sort of Prionid? - Prionus imbricornis Possibly a Broad-necked Root Borer? - Prionus imbricornis Beetle  - Prionus imbricornis
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)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Prioninae
Tribe Prionini
Genus Prionus
No Taxon (subgenus Neopolyarthron)
Species imbricornis (Tile-horned Prionus)
Synonyms and other taxonomic changes
Prionus imbricornis (Linnaeus, 1767). Synonyms, etc.:
Neopolyarthron imbricornis
Prionus (Neopolyarthron) brunneus Casey, 1912 (type specimen, Smithsonian)
Size
25-50 mm (1)
Identification
Huge longhorn, dark brown and shining. Antennae have 18-20 overlapping segments (male)
Female has 16-18 serrated segments. Other eastern Prionus have 12-13 antennal segments (2).
Range
e US (BG data)
Habitat
Deciduous forests and adjacent areas
Season
May-Aug (BG data)
Food
larvae feed in living roots, primarily oak and chestnut, but also grape, pear, and corn. (1)
Life Cycle
Female lays 100-200 eggs around the base of various trees, vines, herbs. Larvae feed on bark and roots. Larval stage lasts three years or more.
Strongly attracted to lights. (1)
Remarks
On mid-summer nights, these hit lighted windows so hard at my house in Durham, North Carolina, that I fear the glass will break. Seems that mostly males come to lights.
Print References
Dillon, plate LVII (2)
Papp, fig. 684, p. 203 (3)
Yanega, p. 27, fig. 12 (1)
Brimley p. 210 (4)
Internet References
Works Cited
1.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
2.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.
3.Introduction to North American Beetles
Charles S. Papp. 1984. Entomography Pubns.
4.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.