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Tribe Cassidini - Tortoise Beetles

Clavate Tortoise Beetle - Plagiometriona clavata Bug House 13 - Cassida rubiginosa Turdlet Tortoise Beetle Larva - Cassida piperata Clavate Tortoise Beetle - Plagiometriona clavata Life cycle - Deloyala guttata?  - Deloyala guttata Cassidinae, Eggs on Thistle - Cassida rubiginosa Beetle - Deloyala guttata
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 Cassidini (Tortoise Beetles)
Numbers
~30 spp. in 15 genera in our area, >1,700 spp. in ~90 genera worldwide (of which 46 in the New World)(1)(2)
Range
worldwide(2)
Food
hosts: various dicotyledons(1)
Life Cycle
The larvae carry their cast skins and fecal material attached to spines arising from the posterior end of their body, a structure called an "anal fork." The anal fork is movable, and is used to hold the debris over the back of the body, forming a "shield" which deters predation.
Internet References
J. N. Y. Entomol. Soc.. Review of the tortoise beetle genera of the tribe Cassidini
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Cassidinae of the world - an interactive manual (by Lech Borowiec and Jolanta Świętojańska)