... for large farm land land and forest professional insect killer for large farm land and forestBasic principles and ... , especially on pine moth, caterpillars adult Cheek, Shaji wood moth, Li Shan sawyer beetles, American white moth, cotton sand fly worms ... 60W 18W 12W 12W33300 SQM to 66600 SQM Field investigation professional insect killer for large farm land and forest