Miller, D.R., & Lambdin, P.L. 1978 A new genus and two new species of asterolecaniid scale insects on palm from Colombia and Trinidad (Homoptera: Coccoidea; Asterolecaniidae).. Proceedings of the Entomological Society of Washington 80: 240-263.
Notes: Grammococcus n. gen.; G. adetocorymbus and corymbus n. spp.; affinities and diagnosis of the gen.; hosts and distribution.