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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Bark and Ambrosia Beetles (Scolytinae) » Scolytini » Scolytus » Hickory Bark Beetle (Scolytus quadrispinosus)

Species Scolytus quadrispinosus - Hickory Bark Beetle

Classification · Explanation of Names · Size · Range · Season · Food · Life Cycle · Remarks · Internet References · Works Cited
Scolytus quadrispinosus Scolytus quadrispinosus Scolytus quadrispinosus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Scolytini
Genus Scolytus
Species quadrispinosus (Hickory Bark Beetle)
Explanation of Names
Scolytus quadrispinosus Say 1824
Size
adult 3-5 mm, larva 5-8 mm (1)
Range
e NA (TX-FL-QC-MN) (1)
Season
adults May-Aug
Food
host: hickory (Carya) (1)
Life Cycle
Two generations per year in the south; one generation in the north(2)
Adults appear in early summer before constructing egg galleries in the bark of the trunk. These galleries are short and in thick-barked trees, they scarcely touch the wood. Eggs are deposited in pockets at each side of the gallery. The larvae feed in the phloem then bore into the bark and construct pupation cells.(2)
Overwinter as larvae(2)
Remarks
An important pest of hickory (1)
Internet References
Bark and Ambrosia Beetles (1)
Works Cited
1.Bark and Ambrosia Beetles
2.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
Contributed by Brad Barnd on 27 June, 2007 - 7:32pm
Additional contributions by Robin McLeod, Mike Quinn, v belov, Marci Hess
Last updated 30 July, 2023 - 12:57pm

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