Conservation Status
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Not of concern.
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Cyclicity
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The peak flight in Alberta is from mid May to early June.
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Distribution
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Coastal BC east to Newfoundland, south from NWT to NC and CA (McGuffin 1987).
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General Description
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"A mid-sized geometrid with rich, orange-brown wings marked with dark AM and PM lines, the later bordered with pinkish-purple distally. Hindwings slightly paler, with coarse black speckling at the anal angle.
Similar to P. alcoolaria, which has a straight PM line, a forewing discal spot, and is paler overall with a more speckled appearance. P. phlogosaria may have two broods in the southern parts of the province. Munroe (1959) described the subspecies bowmanaria from specimens from the Edmonton region.
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Habitat
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Deciduous and mixedwood forests and woodlands.
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Life Cycle
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Caterpillar grey with light brown and white speckling, with abdominal and thoracic humps, giving it the appearance of a short twig. The pupa overwinters (Wagner et al. 2001). Adults come to lights.
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Trophic Strategy
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Larvae feed on willow (Salix), alders (Alnus), birch (Betula)and hazel (Corylus) (Prentice 1963).
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Plagodis phlogosaria
provided by wikipedia EN
Plagodis phlogosaria, the scorched wing or straight-lined plagodis, is a species of moth of the family Geometridae. It is found in all of North America except the far south and Yukon and Alaska.
The wingspan is 28–38 mm. The moth flies from April to August depending on the location.
The larvae feed on alder, basswood, birch, black cherry, chokecherry, hazel and willow.
Subspecies
The following subspecies are recognised:
- Plagodis phlogosaria iris
- Plagodis phlogosaria bowmanaria
- Plagodis phlogosaria approximaria
- Plagodis phlogosaria keutzingaria
- Plagodis phlogosaria purpuraria Pearsall
- Plagodis phlogosaria illinoiaria
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Plagodis phlogosaria: Brief Summary
provided by wikipedia EN
Plagodis phlogosaria, the scorched wing or straight-lined plagodis, is a species of moth of the family Geometridae. It is found in all of North America except the far south and Yukon and Alaska.
The wingspan is 28–38 mm. The moth flies from April to August depending on the location.
The larvae feed on alder, basswood, birch, black cherry, chokecherry, hazel and willow.
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