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Species Euchloe ausonides - Large Marble - Hodges#4200
Classification Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Pieridae (Whites, Sulphurs, Yellows)
Subfamily Pierinae (Whites)
Tribe Anthocharidini (Marbles and Orangetips)
Genus Euchloe (Marbles)
Species ausonides (Large Marble - Hodges#4200)
Synonyms and other taxonomic changes First described in 1852 by Hippolyte Lucas as Anthocharis AusonidesNumbers Butterflies of America lists 7 subspecies, all of which are native to our area:
ausonides Lucas, 1852
insulanus C. Guppy & J. Shepard, 2001
transmontana Austin & J. Emmel, 1998
coloradensis (Hy. Edwards, 1881)
palaeoreios K. Johnson, 1976
mayi F. Chermock & R. Chermock, 1940
ogilvia Back, 1991
Size wingspan 30-48 mm in Canada ( Butterflies of Canada); 38-51 mm in United States ( nearctica.com) Identification Adult: forewing upperside chalky white with large black discal spot (black bar that touches costa) with extensive dusting of white scales, and dark pattern at apex; underside of hindwing with dense reticulate pattern of yellowish-green marbling
Larva: body dark bluish-gray with many black dots and lengthwise bands of yellow and white Range mostly western North America (Alaska and Yukon to northwestern Ontario south of the treeline, south through Minnesota to northern New Mexico, west to California) Habitat generally open forested areas, particularly around pines; may be found in valleys, hillsides, meadows, and other open sunny areas Season adults fly from April to July in the north; in central California, flies from February to April and again from May to August; flight is a relatively slow zigzagging pattern Food larvae feed on a wide variety of members of the mustard family, including Tower Rockcress ( Arabis glabra), Drummond's Rockcress ( Arabis drummondii), Dyer's Woad ( Isatis tinctoria), and Tumble Mustard ( Sisymbrium altissimum)
adults nectar on flowers of the mustard family and other plants such as fiddleneck (Amsinckia spp.) and brodiaeas Life Cycle female lays single egg on flower bud of host plant; overwinters as a pupa inside chrysalis; one generation per year See Also Olympia Marble ( E. olympia) hindwing underside has three distinct bands with large white spaces between; Northern Marble ( E. creusa) forewing upperside has small discal spot, and hindwing underside has dark olive marbling, not yellowish-green ( compare images of several species)
also see CBIF for a detailed description of differences among similar species Internet References pinned adult images plus description, biology, flight season, foodplants, habitat, distribution, US range map (nearctica.com)
pinned adult image plus description, distribution, similar species, foodplants, status, flight season, habitat, remarks (Butterflies of Canada)
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