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 farm practices that does not have a very harmful…The resemblance of a palatable insect to a poisonous…X-rays and infrared rays are both electromagnetic.…Economic growth is different from economic…When both ovaries of the human female ovulate…