An insect whose economic importance is both harmful and beneficial is the? by Sunday | Sep 11 | Biology JAMB | 0 comments A. Tsetsefly B. Blackfly C. Mosquito D. Butterfly Correct Answer: Option D – Butterfly Users Also Read These:The insects whose activities are both beneficial and…The resemblance of a palatable insect to a poisonous…JSS3 First Term Social Studies Lesson Note – Harmful…X-rays and infrared rays are both electromagnetic.…Which of the following organs is concerned with…