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

Calendar
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

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Octotoma marginicollis

Leafminers - Octotoma marginicollis Leafminer - Octotoma marginicollis Octotoma sp., Leaf Miner on slightly succulent, very aromatic herbaceous plant - Octotoma marginicollis Hispine feeding on some kind of aster - Octotoma marginicollis Hispine feeding on some kind of aster - Octotoma marginicollis Octotoma marginicollis Horn - Octotoma marginicollis Bug or Beetle? - Octotoma marginicollis Octotoma marginicollis
Classification
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 Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cassidinae (Tortoise Beetles and the Hispines)
Tribe Chalepini
Genus Octotoma
Species marginicollis (Octotoma marginicollis)
Explanation of Names
Octotoma marginicollis Horn 1883
Size
4.9-6.0 mm (1)
Identification
our only sp. with elytral carinae restricted to the apical half(1); color variable
Range
sw. US (CA-TX, UT) / Mex. (2)(3)
Season
Apr-Nov in AZ (BG data)
Food
host: Thurber's desertpeony - Acourtia (=Perezia) thurberi (Asteraceae); adults also on many other plants (Fraxinus, Baccharis, Brickellia, Viguiera, Monarda)(2)
See Also
O. plicatula occurs further east and feeds on Campsis radicans (trumpet vine)
Print References
Horn, G.H. 1883. Miscellaneous notes and short studies of North American Coleoptera. Transactions of the American Entomological Society, 10: 269-312.
Internet References
Type - MCZ, Harvard
Works Cited
1.The Hispine Beetles of America North of Mexico (Chrysomelidae: Cassidinae)
Charles L. Staines. 2006. 2006. Virginia Museum of Natural History, in association with the Smithsonian Institution.
2.Catalog of the hispines of the World
3.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.