Borchsenius, N.S., & Williams, D.J. 1963a [Scale insects of the genus Contigaspis Macgillivray (Homoptera, Coccoidea) of the world fauna.]. Entomologicheskoe Obozrenye 42: 594-610.

Notes: C. coimbatorensis, euphorbiarum and salsolae n. spp.; gen. revised; key to 12 species.