If you click on the UC ANR Online Courses link, you will gain access to free citrus IPM courses now posted on eXtension that were developed by Beth Grafton-Cardwell.
These courses are designed to improve your knowledge of citrus pests including:
Citrus Industry Courses
Citrus red mite
California red scale
Cottony cushion scale
If you are a licensed PCA, you may obtain 1 unit of continuing education upon successful completion of each course (total of 6 units of 'other' continuing education).
Asian citrus psyllid and huanglongbing