Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive


Species Xyleborinus saxeseni - Fruit-tree Pinhole Borer

X. saxesenii - Xyleborinus saxeseni X. saxesenii - Xyleborinus saxeseni Fruit-tree Pinhole Borer - Xyleborinus saxeseni Fruit-tree Pinhole Borer - Xyleborinus saxeseni Scolytinae, perhaps Xyleborinus saxeseni, dorsal - Xyleborinus saxeseni Scolytinae of sorts... - Xyleborinus saxeseni bark borer - Xyleborinus saxeseni Bark Beetle - Xyleborinus saxeseni
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 Scolytini (Typical Bark Beetles)
Subtribe Xyleborina
Genus Xyleborinus
Species saxeseni (Fruit-tree Pinhole Borer)
Other Common Names
Common Eurasian Ambrosia Beetle, Asian Ambrosia Beetle; Lesser Shot Hole Borer(1)
Explanation of Names
Xyleborinus saxeseni (Ratzeburg 1837)
2.5 mm
Native to, and widespread in, the Palaearctic(2), adventive in NA, with disjunct populations in the east (NS-FL to ON-KS-TX) and west (BC-CA)(3)(4)
Wide host range that includes ornamental trees, stone fruits and timber. Almost all conifers and hardwoods are susceptible. Economic damage to fruit trees has been particularly devastating.
earliest record in our area: CA 1911(5)
Internet References
Fact sheet - Espinosa & Hodges (2009)
Works Cited
1.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
2.Coleoptera Poloniae
3.Atkinson T.H. (200_-2014) Bark and ambrosia beetles
4.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
5.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.