Cochineal insects have proved very useful for
A. Weed control
B. Parthenium control
C. Cactus prevention
D. Eichhornia prevention
Answer: Option C
Solution(By Examveda Team)
Cochineal insects have proved very useful for Cactus prevention.Cochineal insects are soft-bodied, flat, oval-shaped scale insects. The females, wingless and about 5 mm (0.20 in) long, cluster on cactus pads.
They penetrate the cactus with their beak-like mouthparts and feed on its juices, remaining immobile unless alarmed. Male nymphs feed on the cactus until they reach sexual maturity.
Related Questions on Agricultural Entomology
The reduviid bug Sycanus collaris is a predatory of
A. Coconut rhinoceros beetle
B. Red palm weevil
C. Both A and B
D. Termites
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