This module, one of 25 on vocational education training for careers in environmental health occupations, contains self-instructional materials on collecting pests for identification. Following guidelines for students and instructors and an introduction that explains what the student will learn are three lessons: (1) identifying the parts and functions of rodent and anthropod traps and collection devices; (2) identifying locations suitable for collecting rodent, fly, and mosquito specimens; and (3) setting devices to collect pests, collecting the pests from the trap, labeling specimens, and preparing the specimens for shipment and analysis. Each lesson contains objectives, recommended methods and locations for practice, performance criteria, equipment and supplies to perform a task, detailed step-by-step instructions for learning a task, and performance exercises. Performance tests cover the subject matter of each lesson. (CT)