Aspen-feeder
Guides
Acronicta vulpina
vulpina dagger moth, miller dagger moth
Acronicta vulpina is a noctuid moth found across northern and western North America. Adults fly from May to July with a wingspan of 40–47 mm. The larvae feed on several deciduous tree species including aspen, birch, balsam poplar, and willow. The species was formerly considered a subspecies of the European Acronicta leporina.
Macaria loricaria
False Bruce spanworm, Eversmann's peacock
Macaria loricaria is a geometrid moth with pronounced sexual dimorphism: males are fully winged with a wingspan of 25–29 mm, while females are wingless. The species has a broad transcontinental distribution spanning northern Eurasia from Fennoscandia to Sakhalin, and North America from Alaska to Newfoundland and south to Colorado. Adults are active in mid-summer, with timing varying by region. The larvae feed on willow, birch, and aspen species.
Raphia frater
brother moth, brother
Raphia frater, commonly known as the brother moth, is a noctuid moth species distributed across forested regions of North America. Adults have a wingspan of 38–44 mm and are active from spring through summer. The species exhibits considerable geographic variation, with multiple described subspecies reflecting this diversity. Larvae feed primarily on aspen and related woody plants.
Smerinthus astarte
Drowsy-eyed Sphinx
Smerinthus astarte is a sphinx moth in the family Sphingidae, currently treated as a synonym of Smerinthus cerisyi by most authorities. The species is known from western North America, with records from Alberta, Manitoba, Saskatchewan, and Vermont. The caterpillars feed on aspen, cottonwood, and willow foliage. Adults are nocturnal and possess distinctive eyespot patterns on the hindwings.