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 causes…Biological control of insect-pests of crops is…Which of the following insect-pests does not attack cotton?When two flat plate conductors are arranged in such…Which of the following insect pests of crops is…