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:JSS 1 Third Term Agricultural Science Lesson Note -…Lesson Note On The Description of the Damage Done by…Which of the following is not an effect on man of…Insect damage to crops takes the form of?Piercing and sucking insect pests possess?