SeasonalityLate June into August, the flight usually peaking in mid July.IdentificationA uniform light brown-grey geometer with fore- and hindwing discal spots and a dark, narrow forewing PM line (sometimes absent). A faint AM line sometimes visible. M. simplex have at most two dark, wedge-shaped marks along the forewing costa, unlike Macaria andersoni which generally have three or four. Females have reduced wings.
The type locality is the vicinity of Lake Louise (=Laggan), Alberta.
Scientific NameMacaria simplexHabitat
Open forests, stream courses and shrubby areas at subalpine elevations
Seasonality
Late June into August, the flight usually peaking in mid July.
Identification
A uniform light brown-grey geometer with fore- and hindwing discal spots and a dark, narrow forewing PM line (sometimes absent). A faint AM line sometimes visible. M. simplex have at most two dark, wedge-shaped marks…
A uniform light brown-grey geometer with fore- and hindwing discal spots and a dark, narrow forewing PM line (sometimes absent). A faint AM line sometimes visible. M. simplex have at most two dark, wedge-shaped marks along the forewing costa, unlike Macaria andersoni which generally have three or four. Females have reduced wings.
The type locality is the vicinity of Lake Louise (=Laggan), Alberta.
Life History
The immature stages are unknown. Adults are active in the late afternoon, possibly also at night.
Conservation
Not of concern.
Diet Info
No information available.
Range
A Rocky Mountain species, recorded from the Jasper region south to Yellowstone Park, WY (McGuffin 1972).
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Citation
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Page Citation for Macaria simplex
Page Citation
"Species Details - Macaria simplex, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4242. Accessed 03 Dec. 2024.
Specimen Information
There are 25 specimens of this Species.
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25 results plotted on map in 6 markers. Note: Only records with latitude and longitude coordinates are plotted on map.