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:Piercing and sucking insect pests possess?The side effects of the various preventive and…Which of the following is not an effect on man of…In crop rotation, deep-rooted crops should follow…Pests of crops that feed by piercing and sucking…