Tim Dyson:
Night Vision Photography
Catocala semirelicta, Peterborough, Ontario, August 16, 2004, Tim Dyson
copyright
This species is quite similar to C. unijuga with its relatively
light forewings and dark markings.
C. unijuga, however,
lacks the dark bar paralleling the inner margin from the wing-body
juncture all the way to the outer margin.
Below is an image of C. unijuga for comparison.
Catocala unijuga, Peterborough, Ontario, August 25, 2004,
Tim Dyson
copyright
Larva of both species feed on poplar and willow foliage. Often where you
find one, you will also find the other.
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