Question

The beetle used as a biocontrol agent for aphids and mosquitoes is:

• A. Trichoderma
• B. Dragonflies
• C. Ladybird
• D. Silver fish

Answer 1

The Correct Option is C

Ladybird Beetles: Natural Biocontrol Agents 

This question describes the use of ladybird beetles (also known as ladybugs) as a form of biological pest control.

What are Ladybird Beetles?

• Ladybird beetles (family Coccinellidae) are a group of beetles known for their distinctive colorful markings, typically red or orange with black spots.

Biocontrol Agents:

• Biocontrol refers to the use of living organisms to control pests.

Ladybird Beetles as Predators:

• Ladybird beetles are natural predators of various agricultural pests, including:
  • Aphids
  • Mosquitoes (primarily mosquito larvae in aquatic environments)
  • Other soft-bodied insects (e.g., mites, scale insects)
• Both the larval and adult stages of ladybird beetles are predatory.

Benefits of Using Ladybird Beetles:

• Environmentally friendly alternative to chemical pesticides.
• Reduce the need for synthetic insecticides.
• Can provide long-term pest control.