Hickory Bark Beetle

Scolytus quadrispinosus

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Curculionoidea
Family: Curculionidae
Subfamily: Scolytinae
Tribe: Scolytini
Genus: Scolytus
Species: quadrispinosus

Pronunciation

How to pronounce Scolytus quadrispinosus: //skoʊˈlaɪtəs kwɒˌdraɪspɪˈnoʊsəs//

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Summary

Scolytus quadrispinosus, commonly known as the hickory bark beetle, is a bark beetle belonging to the family Curculionidae, prevalent in North America and primarily affecting hickory trees.

Physical Characteristics

Adult size ranges from 3-5 mm, larvae 5-8 mm.

Identification Tips

Scolytus quadrispinosus is recognized as a typical bark beetle within the Curculionidae family.

Habitat

Associated with hickory trees (Carya), often found in areas where these trees are abundant.

Distribution

Occurs in Texas, Florida, Quebec, and Minnesota.

Diet

Larvae feed in the phloem of hickory trees.

Life Cycle

Two generations per year in the southern parts of its range; one generation in the northern areas.

Reproduction

Adults construct egg galleries in the bark of hickory trees, depositing eggs in pockets at each side of the galleries.

Ecosystem Role

As an important pest of hickory, it may impact both tree health and local ecosystems.

Economic Impact

Considered a pest of hickory, which can have economic implications in forestry and for ornamental trees.