Which of the following insect pests causes defoliation in crops? by Sunday | Jun 6 | Agricultural Science WAEC | 0 comments A. mirid B. grasshopper C. weevil D. aphid Correct Answer: Option B B. grasshopper Users Also Read These:Insect-pests of crops could be controlled by?Which of the following insect-pests possesses biting…Pests of crops that feed by piercing and sucking…The side effects of the various preventive and…Which of the following insect-pests does not attack cotton?