Western Forktail, Ischnura perparva, female

Western Forktail, Ischnura perparva, female

These Western Forktail females have a white powdery covering which the females of this species develop; it is called pruinosity (similar to how plums get that waxy coating). Several other species of damselflies and dragonflies also acquire this covering with age, over one or more body parts, thus complicating their identification.

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