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:Biological control of insect pests of crops can best…Which of the following groups of animals do not…When two flat plate conductors are arranged in such…The resemblance of a palatable insect to a poisonous…Which of the following insect pests causes…