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Species Scolytus rugulosus - Shothole Borer

Representative Images

Scolytus rugulosus (Müller) - Scolytus rugulosus Scolytus rugulosus (Müller) - Scolytus rugulosus Scolytinae - Scolytus rugulosus Scolytus rugulosus (Müller) - Scolytus rugulosus Scolytus rugulosus (Müller) - Scolytus rugulosus Scolytus rugulosus - Scolytus rugulosus Scolytinae - Scolytus rugulosus Scolytinae - Scolytus rugulosus

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 rugulosus (Shothole Borer)

Other Common Names

Fruit Tree Bark Beetle

Synonyms and other taxonomic changes

Scolytus rugulosus (Müller)
Orig. Comb: Bostrichus rugulosus Müller 1818

Explanation of Names

rugulosus = 'finely wrinkled'

Range

native to, and widespread across Europe, adventive in NA (across the US)(1)

Food

hosts: various Rosaceae(1)

Life Cycle

Overwinter as mature larvae or pupae in tunnels under tree bark. Adults emerge in May. Females fly to susceptible trees where they bore into cambium and lay eggs in pockets along the sides of their tunnels. Second generation adults emerge in mid-August.
Depending on location, can be 2-3 generations per year(2)

Remarks

earliest record in our area: NY 1877(3)
Attacks damaged branches and trunks of many broadleaves, incl. fruit trees and English laurel

Internet References

Bark and Ambrosia Beetles(1)

Works Cited

1.Atkinson T.H. (200_‒2023) Bark and ambrosia beetles of the Americas
2.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
3.Exotic bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in the United States: potential and current invaders
Haack R.A., Rabaglia R.J. 2013. In: Potential invasive pests of agricultural crops. Peña J.E., ed. CABI International, Wallingford, UK, pp. 48‒74.
Contributed by Mike Quinn on 30 April, 2009 - 3:14pm
Additional contributions by Beatriz Moisset, v belov, Marci Hess
Last updated 29 September, 2023 - 6:57pm

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