METHOD: Life Cycle CONDITIONS: Green House - 16h light at 26C METHOD NARR: Excised leaves were used in both Host Choice Assays and No-Choice Assays. In both cases, the number of eggs laid on foliage and the surface of the cage wtched unfed larvae were placed individually on excised leaves and their behavior was observed for standard feeding and grooming activities, agitation and movement. Larval Mortality, Developmental Period, Leaf Consumption andined. RESULTS NARR: Performance of potato tuberworm on foliage of ber was negatively affected compared with performance on foliage of cultivated potato. AUTHOR EXPLANATION: The most significant differences were observed intypes (A & B) of trichomes.