Viggiani, G., & Liotta, G. 1989 Sull'introduzione in Italia della Encarsia herndoni parassitoide di Insulaspis gloverii (Homoptera: Diaspididae) - notizie preliminari. [On the introduction in Italy of Encarsia herndoni, parasitoid of Insulaspis gloverii - preliminary notes.]. Phytophaga. Palermo 3: 79-81.

Notes: The aphelinid Encarsia herndoni, a specific parasitoid of Insulaspis gloverii (Lepidosaphes gloverii), was introduced into southern Italy from Spain in 1988. The parasitoid was recovered in 1989 in Sicily.