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Genus Orthotomicus

small, dark borer - Orthotomicus caelatus beetle - Orthotomicus caelatus bark beetle - Orthotomicus caelatus - male Orthotomicus caelatus Orthotomicus caelatus Orthotomicus - Orthotomicus caelatus Orthotomicus spinifer Orthotomicus erosus - female
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 Ipina
Genus Orthotomicus
Explanation of Names
Orthotomicus Ferrari 1867
4 spp. (of which one adventive) in our area, 13 spp. total(1)
2.4–3.3 mm(1)
holarctic genus, the vast majority of spp. are Eurasian; the native O. caelatus occurs across n. NA(2)
coniferous forests(1)
phloeophagous on Pinaceae(2)
the Mediterranean Pine Engraver, O. erosus (Wollaston), now a cosmopolitan invasive species, has been found in CA in 2004(3)(4)(Eglitis 2000)
Internet References
Works Cited
1.Mercado J.E. (2011) Bark beetle genera of the United States
2.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
3.California plant pest & disease report, Vol. 22 (Jul 2002 through Jul 2005)
S. Gaimari, ed. 2005. California Department of Food & Agriculture, Plant Pest Diagnostics Branch. 78 pp.
4.Indiana's "most unwanted" invasive plant pests