scientific name Macaria simplex (Dyar)
 habitat 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 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).

taxonomic hierarchy
quick link http://www.entomology.ualberta.ca/searching_species_details.php?s=4242
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