A) Rhodalia cardinalis
B) Aleurolobus burodensis
C) Pectinophora gossypila
D) Both [a] and [b]
Correct Answer: A
Solution :
Living organisms or their products used for insect control are called bioinsecticides. Vedalian beetle (Radiola cardinalise) is a bioinsecticide against cottony cushion scale (Icerya purchasi).
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