Ehler, L.E. 1990 Introduction strategies in biological control of insects.. Critical Issues in Biological Control. Intercept Andover, Hants 330 pp.
Notes: Icerya purchasi mentioned as example of target of successful biological control.
Ehler, L.E. 1990 Introduction strategies in biological control of insects.. Critical Issues in Biological Control. Intercept Andover, Hants 330 pp.
Notes: Icerya purchasi mentioned as example of target of successful biological control.