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General Description

A large sized species of Endothenia. Size and colour patterns of this species show wide variation over different geographic locations (Heinrich 1926). Recorded specimens from Alberta show an enlarged dark patch in the middle of the forewing, which is often triangular in shape. Heinrich (1926) also uses this dark patch as a distinguishing characteristic. Forewing color of recorded specimens ranges from a light creamy brown to a very dark brown sometimes appearing almost black. Superficially resembles E. quadrimaculana but has a smaller forewing length and a fewer number of apical spines on the uncus.


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© University of Alberta Museums

Source: University of Alberta Museums

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