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Species Page - Iridopsis ephyraria
Iridopsis ephyraria ->species page

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scientific name    Iridopsis ephyraria    

common name     Pale-winged Grey

No Alberta data available; likely shrubby and wooded riparian areas of the southeastern prairie region.

No Alberta data available; peak flight is in late July in Quebec (Handfield 1999).

Virtually indistinguishable from Iridopsis larvaria externally; identification should be confirmed through genitalic examination. The male uncus is simple in I. larvaria and forked in I. ephyraria(Forbes 1948). Scoble (1999) synomized Anacamptodes under Iridopsis.

life history
The green, grey, or brown larvae feed in the spring, and unlike other members in the genus, ephyraria overwinters in the egg stage (Wagner et al. 2001).

Known from only one locality in Alberta, near Medicine Hat.

diet info
Larvae have been recorded from a wide variety of trees and shrubs, primarily deciduous but also conifers in the east (Wagner et al. 2001). Prentice (1963) reported it primarily from Manitoba Maple (Acer negundo), willow (Salix spp.), Green Ash (Fraxinus pennsylvanica), Choke Cherry (Prunus virginiana) and the introduced Caragana (Caragana arborescens). The hosts and distribution suggest that this is primarily a species of eastern hardwood forests.

At the western range edge in southeastern Alberta, occurring east to Nova Scotia and south to Texas and Georgia (McGuffin 1977, Wagner et al. 2001).

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