An insect whose economic importance is both harmful and beneficial is the? By: Sunday|Published on: Sep 11|Categories: Biology JAMB| 0 comments A. Tsetsefly B. Blackfly C. Mosquito D. Butterfly Correct Answer: Option D – Butterfly Users Also Read These:The process of inhibiting harmful bacteria from…The insects whose activities are both beneficial and…Which of the following agricultural activities has…Outline the importance of agriculture in the…Tsetse flies are of economic importance in livestock…