Neuffer, G. 1969 Biological control of the San José scale with Prospaltella perniciosi Tow. in south-western Germany.. Rapport de la Conférence international OEPP/OILB sur le pou de San José. Series A, No. 48. Organisation Européene et Méditerranéene pour la Protection des Plantes (OEMPP) Paris 111 pp.

Notes: [Sponsoring organization also called European and Mediterranean Plant Protection Organization (EMPPO). Conference held in Milan, Verona, 24-26 June 1968.] This paper reviews the breeding of Prospaltella perniciosi Tow. in the Stuttgart insectarum, started in 1950, for the biological control of Quadraspidiotus perniciosus.