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Species Deloyala guttata - Mottled Tortoise Beetle

Deloyala guttata Tortoise Beetle - Deloyala guttata Tortoise beetles on bindweed - Deloyala guttata Mottled Tortoise Beetle, a gold and black beetle with clear margins - Deloyala guttata Shield Bug? - Deloyala guttata The golden tortoise beetle, Charidotella sexpunctata bicolor (Fabricius) - Deloyala guttata Mottled Tortoise Beetle - Deloyala guttata Colorful bug with space helmet - 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. 2004.