El-Minshawy, A.M., Abd-Elsalam, A.M., & Hammad, S.M. 1971 On the chemical control of some scale insects and mites on guava trees.. Zeitschrift für Angewandte Entomologie 68: 113-225.

Notes: Trials of chemical control of Parasaissetia nigra and Lepidosaphes beckii as well as two species of mites.