Sexual dimorphism I
Examples of differences in the appearance of males and females of the same species of birds, mammals and insects (compare on the same photo).
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Lymantria dispar
Gypsy moth
Two pairs; darker males below.
Canada, Ontario, Cawthra Mulock Nature Reserve.
7/14/2021
TN079'03-210714007'JJK
In North America one of most invasive insect species; a serious pest of trees and shrubs. Introduced from Europe to the United States in 1869 and to Canada in 1912.