Piercing and sucking insect pests possess? by Sunday | Jan 18 | Agricultural Science WAEC | 0 comments A. Maxillae B. Mandibles C. Labrums D. Proboscis Correct Answer: Option D D. Proboscis Users Also Read These:Which of the following insect-pests does not attack cotton?Biological control of insect pests of crops can best…Biological control of insect-pests of crops is…JSS 1 Third Term Agricultural Science Lesson Note -…To reduce the problem of cannibalism and egg sucking…