Species Details

Trichoplusia ni

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NameCabbage Looper Moth SeasonalityAdults appear from late July through October. IdentificationA medium-size (3.0-3.6 cm wingspan), dark brown moth. The forewings are dark grey-brown with a scattering of lighter brown scales. The normal lines and spots are absent or greatly reduced. The only prominent mark is the silvery white stigma in the center of the forewings. This is comprised of a u-shaped mark with a silvery spot just distad of the base of it, nearly or just touching it. The upper part of the postmedian line is reduced to a series of thin, black streaks or loops. The terminal line is marked with a series of black crescents following the scalloped wing margin. The hindwings are dark sooty brown, paler in the basal half and darkening toward the margin. The fringe is pale, with brown scales marking the ends of the veins. The antennae are simple, and both sexes are alike.

Scientific Name Trichoplusia ni Common Name Cabbage Looper Moth Habitat Open areas, croplands, gardens, etc Seasonality Adults appear from late July through October. Identification
A medium-size (3.0-3.6 cm wingspan), dark brown moth. The forewings are dark grey-brown with a scattering of lighter brown scales. The normal lines and spots are absent or greatly reduced. The only prominent mark…
A medium-size (3.0-3.6 cm wingspan), dark brown moth. The forewings are dark grey-brown with a scattering of lighter brown scales. The normal lines and spots are absent or greatly reduced. The only prominent mark is the silvery white stigma in the center of the forewings. This is comprised of a u-shaped mark with a silvery spot just distad of the base of it, nearly or just touching it. The upper part of the postmedian line is reduced to a series of thin, black streaks or loops. The terminal line is marked with a series of black crescents following the scalloped wing margin. The hindwings are dark sooty brown, paler in the basal half and darkening toward the margin. The fringe is pale, with brown scales marking the ends of the veins. The antennae are simple, and both sexes are alike.
Life History
Adults are nocturnal and come to light. It is primarily a tropical species that probably cannot winter north of the southern United States, and that re-invades southern Canada in late summer each year. The larvae…
Adults are nocturnal and come to light. It is primarily a tropical species that probably cannot winter north of the southern United States, and that re-invades southern Canada in late summer each year. The larvae feed on a huge variety of plants, and in warmer climates, it is considered a serious agricultural pest on various crops, in particular members of the cabbage family.
Conservation An annual immigrant. No concerns. Diet Info
"The list of foodplants for ni reads like a compendium of herbaceous plants of the world. However, it seems to be particularly fond of species in the Brassicaceae, especially species of Brassica." (Lafontaine and…
"The list of foodplants for ni reads like a compendium of herbaceous plants of the world. However, it seems to be particularly fond of species in the Brassicaceae, especially species of Brassica." (Lafontaine and Poole, 1991).
Range
Found throughout much of the world, wherever the climate is warm enough. It occurs throughout North America, north to southern Canada, and from Newfoundland west to Vancouver Island. In Alberta, it has been recorded…
Found throughout much of the world, wherever the climate is warm enough. It occurs throughout North America, north to southern Canada, and from Newfoundland west to Vancouver Island. In Alberta, it has been recorded north to Nordegg and Edmonton.

Citation

Page Citation for Trichoplusia ni

Page Citation

"Trichoplusia ni, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-908. Accessed 27 Oct. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Noctuoidea Family Noctuidae Subfamily Plusiinae Genus Trichoplusia Species Trichoplusia ni
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum