Erichsen, C., Samways, M.J., & Hattingh, V. 1991 Reaction of the ladybird Chilocorus nigritus (F.) (Col., Coccinellidae) to a doomed food resource.. Journal of Applied Entomology 112: 493-498.

Notes: Summary/abstract in: German. Abstract: Economically important natural enemy of red scale (Aonidiella aurantii (Maskell)) in citrus growing regions of southern Africa; Aspidiotus nerii used to rear this Coccinellid. Keywords: biological control.