Chapter 8 Other Sucking Insect Pests Other sucking insect pests include all insect pests with the piercing-sucking mouthparts(刺吸式口器)and the rasping sucking mouthparts(锉吸式口器)except aphids and scales.Other sucking insect pests include all insect pests with the piercing-sucking mouthparts (刺吸式口器) and the rasping sucking mouthparts (锉吸式口器) except aphids and scales. Chapter Chapter 8 Other Sucking Insect Pests Other Sucking Insect Pests