Swammerdamia caesiella is a moth of the family Yponomeutidae.

It is also present in North America,[2] where it is possibly an introduced species.

Forewings are white, irregularly irrorated with fuscous; some longitudinal series of blackish dots; antemedian dark fuscous fascia reduced to two spots, discal and dorsal; two white spots on costa posteriorly, separated by a dark fuscous spot; cilia coppery-tinged, with two dark purplish-fuscons lines.

The larva is reddish-brown; dorsal line broad, paler, becoming indistinct posteriorly; spiracular broad, yellowish-white; head pale yellow-ochreous.

This article on a moth of the family Yponomeutidae is a stub.