UTILIZATION OF ENTOMOGENOUS NEMATODES FOR CONTROL OF FOREST INSECT PESTS Discussion of Tropical Forest Insects on Outbreak Characteristics A STUDY OF SPECIFIC CODE AND COMPUTER INFORMATION MANAGEMENT OF FOREST INSECT PEST FORECAST Insect species diversity in Korean pine broad-leaved mixed forest in Changbai Mountains A PRELIMINARY STUDY ON THE USE OF FRASS IN THE IDENTIFICATION OF FOREST INSECTS An Evaluation of Airborne Videography for Detecting and MonitorIng Forest Insect and Disease Discussion on Some Bionomical Characteristics of Forest Insects in the Tropics The Exploitation and Utilization of Forest Insect Resources in China Discussion on the Characteristics of the Tropical Forest Insect Fauna