Cockerell, T.D.A. 1898m Some new Coccidae.. Annals and Magazine of Natural History (Ser. 7) 2: 24-27.

Notes: Philephedra, n. subg., Pulvinaria ephedrae, Aspidiotus yuccarum, A. lilacinus n. spp.; A. transparens simillimus n. subsp.