Common NameGibson's TigerSeasonalityRanges from July 7 to August 20, with most records from late July to early August.IdentificationThe absence of white markings along the forewing veins, broad transverse bands and long antennal pectinations distinguish members of this species complex. It is uncertain if Grammia geneura (Strecker), G. superba (Stretch), G. nevadensis (Grote & Robinson) and G. gibsoni (McDunnough) are all the same variable species, or if several species are involved.
Scientific NameGrammia gibsoniCommon Name
Gibson's Tiger
Habitat
Inhabits prairie grasslands with exposed soil cover, such as sand dunes and badlands.
Seasonality
Ranges from July 7 to August 20, with most records from late July to early August.
Identification
The absence of white markings along the forewing veins, broad transverse bands and long antennal pectinations distinguish members of this species complex. It is uncertain if Grammia geneura (Strecker), G. superba…
The absence of white markings along the forewing veins, broad transverse bands and long antennal pectinations distinguish members of this species complex. It is uncertain if Grammia geneura (Strecker), G. superba (Stretch), G. nevadensis (Grote & Robinson) and G. gibsoni (McDunnough) are all the same variable species, or if several species are involved.
Life History
No information available.
Conservation
A rare species.
Diet InfoCastilleja sessiliflora (McDunnough, 1937). Likely also other plants.
Range
Southern Alberta, Saskatchewan and Manitoba.
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Page Citation for Grammia gibsoni
Page Citation
"Species Details - Grammia gibsoni, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-240. Accessed 06 Feb. 2023.