Scheurer, R., & Ruzette, M.A. 1974 Effects of insect growth regulators on the oleander scale (Aspidiotus nerii) and the European fruit lecanium (Parthenolecanium corni).. Zeitschrift für Angewandte Entomologie 77: 218-222.

Notes: Most sensitive stages appeared to the second instar in the females and nymphal stages in males; authors believe that the results were encouraging and merit further evaluation as control agents.