Mealy bug is a major pest of? by Sunday | Jun 12 | Agricultural Science WAEC | 0 comments A. citrus B. cassava C. maize D. oil palm Correct Answer: Option B – cassava Users Also Read These:CRP 312 Theory Questions: Pest Development Factors…Which of the following is not a pest of crops?Predators are beneficial in pest control because they?The diagram below illustrates a crop pest. What kind…Moths, aphids and mealy bugs cause damage to crops by their?