De Lotto, G. 1971d On the status of two genera of soft scales (Homoptera: Coccoidea: Coccidae).. Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri', Portici 28(1970): 257-261.

Keywords:

description

taxonomy

Notes: Calypticus and Saissetia; identity of the type species of these genera discussed.