|scientific name Plagodis alcoolaria |
common name Hollow-spotted Plagodis
Moist deciduous and mixedwood forest.
Adults fly during mid June in Alberta.
A mid-sized geometrid with orange-brown forewings marked with dark AM and PM lines and a discal spot; hindwing paler, with reduced PM line.
Similar to P. phlogosaria but alcoolaria has a straight, not curved PM line, possesses a forewing discal spot and is paler overall with a more speckled appearance.
Larvae are twig mimics, and are very similar to those of P. phlogosaria. Pupae overwinter (Wagner et al. 2001). Adults come to light, and may also be active during the day. This species is rare in Alberta.
Rare and local in Alberta, but widespread to the east.
Prentice (1963) indicates that larvae feed primarily on birch (Betula spp.).
East-central Alberta east to Nova Scotia, south to Georgia and Illinois (McGuffin 1987).
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