|scientific name Protitame |
Associated with forests and mesic habitats where the the willow hosts (Salicaceae) grow
Adults fly in Alberta in late spring and early summer.
The adults are white or cream-white with few to no prominent markings. The genus is characterized by the unique, shortly pectinate male antennae and very short palpi (Forbes 1948).
There are five larval instars and pupae overwinter. The oblong, green eggs are laid in clusters of up to about 80 on the host foliage, and larvae hatch in about 11 days (McGuffin 1972).
Species of which the larval habits are known all feed on members of the willow family (Salicaceae).
Only two species occur in Canada, P. matilda and P. virginalis. A North American genus, currently with eight described species (Hodges et al. 1983).
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