References
- Harrow , K. M. 1960 . Control of San José scale . Orchard N.Z. , 33 ( 5 ) : 133 – 7 .
- Richards , Aola M. 1960 . Scale insect survey on apples 1959–60 . N.Z. J. agric. Res. , 3 : 693 – 8 .
- Richards , Aola M. The life-history and ecology of San José scale, Quadraspidiotus perniciosus (Comst.) (Hemiptera, Diaspididae) in the Auckland district of New Zealand (in press)