Bodenheimer, F.S. 1931 Zur kenntnis der Paläarktischen kermesàrten (Rhy. Cocc.) [Contribution to the knowledge of the Palaearctic Kermes (Rhy. Cocc.)]. Konowia 10: 241-247.
Notes: Kermes nahalali, K. greeni, n. spp.; tabular presentation of characteristics of 17 species.