Pterostigma is a character of the order
A. Protura
B. Coleoptera
C. Odonata
D. Diptera
Answer: Option C
Solution(By Examveda Team)
Pterostigma is a character of the order Odonata.The pterostigma is a group of specialized cells in the outer wings of insects, which are often thickened or coloured, and thus stand out from other cells.
The pterostigma, a heavier section of the wing than nearby sections, assists in gliding. Without the pterostigmata, self-exciting vibrations known as flutter would set in on the wing above a certain critical speed, making gliding impossible.
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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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