Hartley, A.H., Walter, G.H., & Morrison, J.F. 1983 The ultrastructure of wax-secreting glands of the cochineal insect Dactylopius opuntiae (Dactylopiidae: Coccoidea: Homoptera).. Proceedings of the Electron Microscopy Society of South Africa 13: 97-98.

Notes: Preliminary study of wax strands and wax secreting glands to compare D. opuntiae with D. austrinus; wax filaments secreted by setae illustrated and described.