Diagnosis: Ocelli present, proboscis unscaled; fw
with Rs4 running to outer margin; fw
inner margin usually with a longitudinal band of pale (brown to
silvery-white) scales. A moth with closed wings when viewed from above
has the silvery ‘diamond back.’
Diversity: Fewer than 100 species worldwide; 20 species in eight
genera in North America; as yet a single species known from North
Dakota.
Checklist numbers: 2347- 2366.
Biology: Larvae are communal web makers on Brassicaceae–
mustards. Boldly patterned pupae are visible inside a loose meshed
cocoon.
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Further reading:
Dougdale, John S. et al.,
Chapter 8. The Yponomeutoidea, pp. 119- 130 in Kristensen, Neils
P. ed. 1999. Lepidoptera, moths and butterflies. Part 35, Vol. 1 in Handbook
of Zoology. Maximilian Fischer ed. Walter de Gryter, New York. 491 pp.
Scoble, Malcom J. 1992.
Chapter 11. Lower Ditrysia, pp. 225- 254 in The Lepidoptera:
form, function, and diversity. Oxford Univ. press. 1982. 404 pp.
Talekar, N. S. and A. M.
Shelton. 1993. Biology, ecology, and management of the diamondback moth.
Ann. Rev. Entomol. 38: 275- 301.
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