7. Rodolia cardinalis (Mulsant) .
Vedalia cardinalis Mulsant, Spec. Coleopt. Trim. Securipalp., 906, 1850.
Novius cardinalis (Mulsant) Crotch, Rev. Coccinellidae, 283, 1874.
Rodolia cardinalis (Mulsant) Essig, Insects of Western North America, 415, 1926.
Tarague Beach, May 17, on Sophora tmnentosa , Swezey, one specimen.
This Australian ladybeetle was introduced into Guam from Honolulu in 1926 to combat the cottony cushion scale. In 1936 both were scarce, and only one specimen of the ladybeetle was obtained.