Ja. Powell, The Hawaiian 'dancing moth', Dryadaula terpsichorella, has colonized coastal southern California (Lepidoptera : Tineidae), PAN PAC ENT, 75(4), 1999, pp. 221-223
Dryadaula terpsichorella (Busck, 1910) has been discovered at two sites in
San Diego, California, near the harbor and 24 km distant, in July 1998 and
February 1999. The species is widespread in the western Pacific and has bee
n known in Hawaii for a century, where the larvae occur among dead leaves o
f various plants. The adults perform perculiar, circular 'dances' upon alig
hting.