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Genus Orthotomicus

Scolytin - Orthotomicus caelatus Orthotomicus - Orthotomicus caelatus Orthotomicus erosus - male Ips pini (Pine Engraver) - Orthotomicus erosus Loomis2 J09 - Orthotomicus spinifer Orthotomicus caelatus Orthotomicus caelatus Scolytin - Orthotomicus caelatus
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 Ipini
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