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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Pyralid and Crambid Snout Moths (Pyraloidea) » Crambid Snout Moths (Crambidae) » Glaphyriinae » Evergestis » Purple-backed Cabbageworm - Hodges#4897 (Evergestis pallidata)

Species Evergestis pallidata - Purple-backed Cabbageworm - Hodges#4897

Classification · Hodges Number · Size · Identification · Range · Season · Food · Remarks · See Also · Internet References

Purple-backed Cabbageworm - Hodges #4897 - Evergestis pallidata

Evergestis pallidata - Purple-backed Cabbageworm 4897 - Evergestis pallidata

Purple-backed Cabbageworm? - Evergestis pallidata

Crambidae, Purple-backed Cabbageworm - Evergestis pallidata

Evergestis pallidata? - Evergestis pallidata

Show images of: caterpillars · adults · both

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Lepidoptera (Butterflies and Moths)

Superfamily Pyraloidea (Pyralid and Crambid Snout Moths)

Family Crambidae (Crambid Snout Moths)

Subfamily Glaphyriinae

Genus Evergestis

Species pallidata (Purple-backed Cabbageworm - Hodges#4897)

Hodges Number

4897

Size

wingspan 19-29 mm

Identification

Adult: forewing pale yellowish to light brown with sharp median and PM lines; ring-like marking in upper median area resembles a tied knot (a diagnostic feature); hindwing light gray with dark terminal band and partial PM line

Range

Newfoundland west across Canada, south to Colorado, east to Virginia and Maryland

also occurs in Europe and western Asia

Season

adults fly from May to September

larvae present in August and September

Food

larvae feed on bittercress, cabbage, radish, horseradish, turnip, and other plants in the mustard family

Remarks

Considered invasive in this country. (Capinera, John L. North American Vegetable Pests. The Pattern of Invasion. American Entomologist. Spring 2002). From Europe. If so it has been in North America since the 1800s.

See Also

no similar species: the ring-like "tied knot" marking on the forewing is diagnostic

Internet References

Moth Photographers Group (MPG)

Barcode of Life (BOLD)

live adult image (Larry Line, Maryland)

pinned adult image (David Smith, Furman U., South Carolina)

pinned adult image (Bert Gustafsson, Swedish Museum of Natural History)

pinned adult image (James Adams, Dalton State College, Georgia)

UK Moths

Moths of the UK

Contributed by Robin McLeod on 28 April, 2006 - 4:39pm
Additional contributions by Beatriz Moisset, Steve Morris
Last updated 11 February, 2023 - 1:06pm

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