Pesticide-application workers can earn up to six continuing-education units. Theme: The Old West. Keynote speaker Dr. Marc Branham, a leading authority on fireflies, will discuss the insects’ habitats, systematics, mating and species diversity. Other topics include field buffers, new plant selections for the landscape, mitigation pesticide exposure, weed control and commonsense landscape tactics. Fee: $60, which includes lunch. Advance registration and payment can be made through Eventbrite at https://tinyurl.com/65XY6BZ6. Call Donna Coriano at 386-822-5778, or email her at dcoriano@ufl.edu.