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:In crop rotation, deep-rooted crops should follow…Piercing and sucking insect pests possess?The most important pests of vegetable crops are?Which of the following insect-pests does not attack cotton?The side effects of the various preventive and…