Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Hylastes opacus

Hylastes opacus Hylastes opacus
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 Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Hylesinini (Crenulate Bark Beetles)
Subtribe Hylastina
Genus Hylastes
Species opacus (Hylastes opacus)
Explanation of Names
Hylastes opacus Erichson 1836
Size
2.5-3.0mm(1)
Identification
Couplet #3 in Wood’s (1982)(2) key to the species of Hylastes of North and Central America was modified in Hoebeke (1994)(1) to facilitate identification of H. opacus.
Range
throughout the Eurasian conifer forests; [NB-MD to ON-WI-IN, WA-CA](3)
Food
Pinaceae, mostly Pinus(3)
Remarks
earliest record in our area: NY 1987(4)
Internet References
Works Cited
1.New records of immigrant bark beetles (Coleoptera: Scolytidae) in New York: Attraction of conifer-feeding species to ethanol...
Hoebeke, E.R. 1994. Entomological News.
2.The Bark and Ambrosia Beetles of North and Central America (Coleoptera: Scolytidae), a Taxonomic Monograph
Stephen Wood. 1982. Great Basin Naturalist Memoirs, Number 6, Brigham Young University.
3.Atkinson T.H. (200_-2018) Bark and ambrosia beetles
4.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.