Houston, K.J. 1991 Chilocorus circumdatus Gyllenhal newly established in Australia and additional records for Coccinella undecimpunctata L. (Coleoptera: Coccinellidae).. Journal of the Australian Entomological Society 30(4): 341-342.

Notes: Abstract: C. circumdatus recorded in Australia for the first time with Unaspis citri and Aspidiotus nerii as new prey records. Keywords: biological control.