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

Discussion, insects and people from the 2018 BugGuide 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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Ips

Ips grandicollis Scolytine - Ips tridens Ips Ips concinnus Scolytin - Ips pini Ips pini - Ips calligraphus Ips plastographus Ips avulsus  - Ips avulsus
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 Ips
Other Common Names
Engraver Beetles
Explanation of Names
Ips De Geer 1775
Greek, 'a kind of worm'(1)
23 spp. (of which 6 adventive) in our area(2), 21 in se. US(3), 11 in CO, 3 in FL
Across N. America(2)
hosts: Pinaceae (pine, spruce)(2)
Life Cycle
Most breed in dying trees and slash, but some may attack the boles and tops of healthy trees (2)
damage the bark of pine and spruce trees
Internet References
I. confusus (Pinyon Ips Beetle) fact sheet (Christopherson 2013)(5)
I. typographus (European Spruce Bark Beetle) fact sheet (anon. 2011)(6)