Comprehensive Description

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General Description

A relatively pale, large Euchlaena. AM and PM lines more diiffuse than E. madusaria, black discal spots small but well defined. Outer third of forewing often contrasting and and slightly darker. Similar to E. tigrinaria, but lacks the black patches in the subterminal area of the wings. In eastern North America, the outer third of the wing is much darker than in western specimens; the western forms were described as Euchlaena albertanensis (Swett) but McGuffin (1981) considers these forms of marginaria. To complicate matters, Wagner et al. (2001) state that Canadian and northern US populations which have gone under the name marginaria may be a separate species from the douple-brooded marginaria of the southeastern US.  


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© University of Alberta Museums

Source: University of Alberta Museums

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