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

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 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.

Previous events


Species Physonota alutacea - Wild Olive Tortoise Beetle

Eating leaves_3 - Physonota alutacea Physonota alutacea larvae, first (?) instar - Physonota alutacea Physonota alutacea Boheman - Physonota alutacea beetle larva - Physonota alutacea Unknown beetle larva - Physonota alutacea 103 - Physonota alutacea Wild Olive Tortoise Beetle - Physonota alutacea Physonota alutacea
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 (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cassidinae (Tortoise Beetles and the Hispines)
Tribe Ischyrosonychini
Genus Physonota
Species alutacea (Wild Olive Tortoise Beetle)
Explanation of Names
Physonota alutacea Boheman 1854
aluta (L). 'leather' (1)
5 spp. n. of Mex. (2)
adults 13 mm
undisturbed adults are silvery:
disturbed adults:
Larvae, like others of this genus, are bizarre:
Corpus Christi to S. Amer. - Map (3)
Apr-Nov (BG data)
host: Wild Olive - Cordia boissieri (Boraginaceae), a native small tree, frequently cultivated, variously known as Wild Olive, Mexican Olive, or Anacahuita. (Note, true olives are in the Oleaceae family.)
Life Cycle
Larvae gregarious in early stages. Closely associated with hostplant--see above.
Print References
Boheman, C.H., 1854. Monographia Cassididarum. Tomus secundus. Holmiae, 506 pp.
Sanderson, M.W. 1948. Larval, pupal, and adult stages of North American Physonota (Chrysomelidae). Ann. Entomol. Soc. Amer., 41: 468-477.
Williams, J.R. 1950. The introduction of Physonota alutacea Boheman (Col., Cassid.) into Mauritius. Bull. Entomol. Res. 40: 479–480.
Internet References
Texas Entomology - Mike Quinn, 2009
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
3.Global Biodiversity Information Facility (GBIF)