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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Species Prionus imbricornis - Tile-horned Prionus

Large Beetle - Prionus imbricornis Noctournal flying beetle - Prionus imbricornis Tile-horned Prionus Beetle - Prionus imbricornis Tile-horned Prionus Beetle - Prionus imbricornis Male, Prionus Imbricornis - Prionus imbricornis Tile-horned Prionus - Prionus imbricornis ? - Prionus imbricornis Tile-horned Prionus (Prionus imbricornis)? - Prionus imbricornis - 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 (Longhorn and Leaf Beetles)
Family Cerambycidae (Longhorn 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)
25-50 mm (1)
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).
e US (BG data)
Deciduous forests and adjacent areas
May-Aug (BG data)
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)
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.