G.  Viggiani and Laudonia, S., ?Some sensorial complexes of the male antennae of three species of the genus Encarsia Förster (Hymenoptera: Aphelinidae) and their relationship with mating behaviour?, Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri', Portici, vol. 45, pp. 67-75, 1988.

S.  Laudonia, ?Morphobiological observations on Encarsia dichroa Mercet (Hymenoptera: Aphelinidae)?, Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri', Portici, vol. 45, pp. 103-111, 1988.