Catocala of the Yukon
The following table divides all North American Catocala species
into twenty one different groups. Moths are grouped according to
hindwing colour bands (yellow, orange, salmon, red, pink, black or
white) and wingspan measurements (small = 35-55mm, medium = 55-75 mm and
large = 75mm plus).
posed scan on poplar bark by Bill Oehlke,
Montague, Prince Edward Island, August 22, 2002
Wingspan refers to the
distance from wing tip to wing tip when the moths are spread with
the inner margin of the
forewing perpendicular to the body.
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