Common NameBlake's TigerSeasonalityMid May to early June.IdentificationAlberta's smallest species of Grammia. Similar to G. nevadensis, but blakei can usually be distinguished by the more reduced forewing markings, more "pointy" appearance of the forewing, and overall smaller size.
Scientific NameGrammia blakeiCommon Name
Blake's Tiger
Habitat
Short grass and mixed grass prairie, especially in native range pastures grazed by livestock.
Seasonality
Mid May to early June.
Identification
Alberta's smallest species of Grammia. Similar to G. nevadensis, but blakei can usually be distinguished by the more reduced forewing markings, more "pointy" appearance of the forewing, and overall smaller size.
Alberta's smallest species of Grammia. Similar to G. nevadensis, but blakei can usually be distinguished by the more reduced forewing markings, more "pointy" appearance of the forewing, and overall smaller size.
Life History
There is a partial second brood in August in some years, especially in the southern part of the range (Byers, 1988). The adults of this species are apparently strictly diurnal, flying in the afternoon and early evening.
Diet Info
Larvae feed on various grasses (including spring cereal crops) in early spring, and are occasionally pests in native range pastures (Byers, 1988).
Range
Manitoba west to Alberta, south to Arizona and New Mexico.
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Citation
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Page Citation for Grammia blakei
Page Citation
"Species Details - Grammia blakei, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-242. Accessed 07 Feb. 2025.
References
AuthorSchmidt, B. C.
TitleThe tiger moths (Arctiidae) of Alberta.
Publication Date2000
Pages36
AuthorByers, J. R.
TitleWooly-bear caterpillars of Grammia blakei (Grote) (Lepidoptera: Arctiidae). An occasional pest of native range pastures and adjacent crops in southern Alberta and southwestern Saskatchewan.
Publication Date1988
Series TitleThe Canadian Entomologist
Volume120
Pages927-935
Specimen Information
There are 10 specimens of this Species.
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10 results plotted on map in 8 markers. Note: Only records with latitude and longitude coordinates are plotted on map.