Lo, P.L., & Blank, R.H. 1992 Fungicides and insecticides disrupt predation by ladybirds on citrus.. The Orchardist 65(11): 14-15.

Notes: Abstract: Discussion of attempts to control immature wax scale (Ceroplastes destructor), pest of citrus, by introduction of steel-blue ladybird into New Zealand from Australia (Orchus chalybeus); effects of fungicides and insecticides also considered. Keywords: biological control.