Adela purpurea is a moth of the family Adelidae or fairy longhorn moths.

It is widespread in boreal North America, from the Yukon through the southern provinces of Canada to Quebec and further south to northern New Jersey.

Adults are on wing from May to June in northern Canada and in April in New England.

Adults have been observed visiting Salix blossoms.

This article relating to the moth family Adelidae is a stub.