Abstract
Aleuropleurocelus hyptisemoryi Gill sp.n. (Hemiptera: Aleyrodidae) and its parasitoid, Encarsia heratyi Polaszek sp.n. (Hymenoptera: Aphelinidae) are described. Both species are known so far only from desert lavender (Hyptis emoryi) in California, butare likely to be more widely distributed. Encarsia heratyi, a member of the Encarsia parvella-gvoup, is separated from apparently closely-related species in that group.