Chemical ecology of insects, including pheromones, kairomones, allomones and plant volatiles that affect behavior of insects, mainly pests of forest trees and agricultural crop plants. Free Scientific Software, databases in chemical ecology and entomology, and educational quizzes and interactive learning in chemical ecology and entomology. Also games of chance and the educational principles of combinations. Methods in ecology and simulation of animal behavior, such as insect dispersal, host plant finding, mass trapping with pheromones, mechanisms of orientation to pheromone, mate location, and mate finding.