HomeGuideID RequestRecentFrassForumsDonateHelp

Clickable Guide

Calendar

BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008

Photos from the gathering

Photos from the 2007 gathering in Minnesota

TaxonomyBrowse

Info

ImagesLinksBooksData

Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles (Polyphaga) » Long-horned and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Tortoise Beetles and the Hispines (Cassidinae) » Tortoise Beetles (Cassidini) » Deloyala » Mottled Tortoise Beetle (Deloyala guttata)

Species Deloyala guttata - Mottled Tortoise Beetle

Classification · Size · Identification · Range · Habitat · Season · Food · Life Cycle · Internet References · Works Cited

Tortoise beetles on bindweed - Deloyala guttata

Mottled Tortoise Beetle, a gold and black beetle with clear margins - Deloyala guttata

Mottled Tortoise Beetle - Deloyala guttata

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)

Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)

Family Chrysomelidae (Leaf Beetles)

Subfamily Cassidinae (Tortoise Beetles and the Hispines)

Tribe Cassidini (Tortoise Beetles)

Genus Deloyala

Species guttata (Mottled Tortoise Beetle)

Size

about 5 mm

Identification

adult: broadly oval; margins of pronotum and elytra clear or golden, elytra usually mottled black and yellow but variable - some specimens being completely orangish-yellow (see images in Internet References section below)

larva: dull green, bluish along back, covered with broad branching masses of excrement (U. of Guelph, Ontario)

Range

Rocky Mountains east, southern Canada, south to Venezuela, West Indies (1)

Habitat

fields, meadows, gardens, lawns & yards

Season

adults active from spring through fall

Food

larvae and adults feed on leaves of Convolvulaceae (morning glory family) (2)

Life Cycle

overwinters as adult beneath leaf litter; multiple generations per year, the number varies with latitude

Internet References

preserved adult images - 7 images on 3 pages, showing color/pattern variation (Cassidinae of the World)

live adult image (Oregon State U.)

live adult images (Robert Vigneault, Quebec)

preserved adult images (Insects of Quebec)

taxonomy & distribution (Cassidinae of the World)

common name reference (U. of Guelph, Ontario)

Works Cited

1.	Catalog of Leaf Beetles of America North of Mexico By Ed Riley, Shawn Clark, and Terry Seeno

2.	Host Plants of Leaf Beetle Species Occuring in the United States and Canada By Shawn M. Clark, Douglas G. LeDoux, Terry N. Seeno, Edward G. Riley, Arthur L. Gilbert, and James M. Sullivan

Contributed by Robin McLeod on 24 March, 2005 - 5:19pm
Additional contributions by Mike Quinn
Last updated 6 January, 2006 - 11:39pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2008 Iowa State University, unless otherwise noted.

Bugguide is hosted by Iowa State University Entomology.

Printer Friendly Version