Species Details

Grammia williamsii

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

Common NameWilliams' Tiger SeasonalityJune to late July. IdentificationOne of the smallest members of the genus, with an average forewing length of ~17mm. The white forewing markings consist of the typical "W" mark, with two additional transverse lines (sometimes reduced). Note lack of fine white lines alongforewing veins. Hindwing color can vary from pink to yellow; boreal and prairie populations tend to have a dull yellowish hindwing.

Scientific Name Grammia williamsii Common Name Williams' Tiger Seasonality June to late July. Identification
One of the smallest members of the genus, with an average forewing length of ~17mm. The white forewing markings consist of the typical "W" mark, with two additional transverse lines (sometimes reduced). Note lack of…
One of the smallest members of the genus, with an average forewing length of ~17mm. The white forewing markings consist of the typical "W" mark, with two additional transverse lines (sometimes reduced). Note lack of fine white lines alongforewing veins. Hindwing color can vary from pink to yellow; boreal and prairie populations tend to have a dull yellowish hindwing.
Life History No information available. Conservation Common. Diet Info Probably a variety of herbaceous plants. In prairie habitats, larvae can be common on Golden Bean (Thermopsis rhombifolia) in May. Larvae have also been observed on Senecio sp. in montane meadows. Range New Brunswick to Alberta, B.C. and N.W.T., south to Arizona.
Grammia williamsii
Grammia williamsii

Citation

Page Citation for Grammia williamsii

Page Citation

"Grammia williamsii, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-243. Accessed 20 Jun. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Noctuoidea Family Arctiidae Genus Grammia Species Grammia williamsii
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