Common NamePlain RoverSeasonalityJuly-SeptemberIdentificationA medium-sized (3.6-4.0 cm. ws) moth. Thorax and FW dark blackish brown with a lighter brown area at the centre of the inner margin. Lines mostly indistinct; PM indicated by white dots at the veins, and the ST by a white powdering, preceded by black, which forms a distinct spot at the anal angle. Fringe with white specks at veins. Orbicular a linear black ellipse, open above; claviform also outlined in black; reniform black edged except above, with a double curved white mark on the outside, and a few white specks on costa. HW grey, shaded. The dark form of H. iris has a lighter collar. Superficially close to dark Apamea cogitata.
Scientific NameHillia maidaCommon Name
Plain Rover
Seasonality
July-September
Identification
A medium-sized (3.6-4.0 cm. ws) moth. Thorax and FW dark blackish brown with a lighter brown area at the centre of the inner margin. Lines mostly indistinct; PM indicated by white dots at the veins, and the ST by a…
A medium-sized (3.6-4.0 cm. ws) moth. Thorax and FW dark blackish brown with a lighter brown area at the centre of the inner margin. Lines mostly indistinct; PM indicated by white dots at the veins, and the ST by a white powdering, preceded by black, which forms a distinct spot at the anal angle. Fringe with white specks at veins. Orbicular a linear black ellipse, open above; claviform also outlined in black; reniform black edged except above, with a double curved white mark on the outside, and a few white specks on costa. HW grey, shaded. The dark form of H. iris has a lighter collar. Superficially close to dark Apamea cogitata.
Conservation
Uncommon and local (?).
Diet Info
A specimen in the CNC was apparently reared from Wild Currant.
Range
TL: CAN; BC., Kaslo. Western North America, from the Rocky Mountains of Alberta and southeastern BC.
Notes
There appears to be little information available on this species, other than the original description.
Citation
Page Citation for Hillia maida
Page Citation
"Species Details - Hillia maida, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-6183. Accessed 26 Mar. 2025.
Specimen Information
There is 1 specimen of this Species.
1 result plotted on map in 1 marker. Note: Only records with latitude and longitude coordinates are plotted on map.