Miller, D.R., & Howard, F.W. 1981 A new species of Abgrallaspis (Homoptera: Coccoidea: Diaspididae) from Louisiana.. Annals of the Entomological Society of America 74: 164-166.

Notes: A. liriodendri n. sp.; description of second and third stage females; modification of former key; host and distribution; gall causing species.