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

Upcoming Events

Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Species Xyleborus spinulosus

Xyleborus spinulosus Blandford - Xyleborus spinulosus
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 Xyleborus
Species spinulosus (Xyleborus spinulosus)
Explanation of Names
Xyleborus spinulosus Blandford, 1898
17 (now 18) spp. n. of Mex. (1)
Male: Length 1.5 mm
Female: Length 1.8-2.6 mm (2)
color dark brown to almost black (2)
See Fig. 15: BCA (Close-up - by Tom Atkinson, 2010)
southmost Texas south to Argentina / Hawaii (3),(4)
Hosts on spp. in the following families: Anacardiaceae, Euphorbiaceae, Fabaceae, Lauraceae, Mimosaceae, Moraceae, Rubiaceae, Sapotaceae, Verbenaceae (3)
Life Cycle
Unthrifty, cut, or broken seedlings, limbs, and branches of trees and lianas are infested by this species. The tunnels evidently are similar to those of Xylosandrus. (2)
Type Locality: San Geronimo, Guatemala (2)
Print References
Blandford, 1898, Biol. Centr. Amer., Coleopt. 4(6): 201-202. Full Text Tab 7 (Fig. 15)
Wood, S.L. 1982. The bark and ambrosia beetles of North and Central America (Coleoptera: Scolytidae), a taxonomic monograph. Great Basin Naturalist Memoirs 6: 1-1356. Full Text
Internet References
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
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.Atlas and checklist of the bark and ambrosia beetles of Texas and Oklahoma (Curculionidae: Scolytinae and Platypodinae)
Atkinson T.H., Riley E.G. 2013. Insecta Mundi 02920: 1-46.