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Question
Economically harmful insect is:
Economically harmful insect is:
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Solution
The correct option is A Locusta
Bombyx, Laccifer, Apis and Locusta belong to phylum Arthropoda. Bombyx, Apis, Laccifer are economically benifical.
• Bombyx or silk worm - Produces commercial silk (silk obtained from cocoon stage).
• Laccifer or lac insect – Shellac secreted by hypodermal glands of female.
• Apis or bee – Produce the honey and wax.
Locusta (grasshopper) is an economically harmful insect. It destroys different types of plants and grains.
Bombyx, Laccifer, Apis and Locusta belong to phylum Arthropoda. Bombyx, Apis, Laccifer are economically benifical.
• Bombyx or silk worm - Produces commercial silk (silk obtained from cocoon stage).
• Laccifer or lac insect – Shellac secreted by hypodermal glands of female.
• Apis or bee – Produce the honey and wax.
Locusta (grasshopper) is an economically harmful insect. It destroys different types of plants and grains.
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