California Red Scale and its Natural Enemies w/Certificate

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This course was developed for pest management professionals, pest control advisors, pesticide applicators, and growers. It is designed to teach about the life cycle and habits of the California red scale, Aonidiella aurantii and natural enemies such as the wasp parasites Aphytis melinus and Comperiella bifasciata, that lay their eggs in or on it.  This module will also discuss chemical and biological control of California red scale.

Purchasing this course entitles you to receive a certificate of completion.  If you do not require a certificate, you may view the course for free by enrolling in the course at


This course was developed by Dr. Beth Grafton-Cardwell, a citrus IPM Specialist and Research Entomologist and the University of California Statewide IPM Program (UC IPM).

It is accredited by the California Department of Pesticide Regulation (1.0 hour Other), Certified Crop Advisor (0.5 IPM), and the Arizona Department of Agriculture (1.0 credit).

For more information including technical requirements please contact: Cheryl Reynolds, UC ANR at

Price: $20.00