Question

Plerostigmata is present on forewings of:
(A) Hymenoptera
(B) Psocoptera
(C) Megaloptera
(D) Mecoptera
Choose the correct answer from the options given below:

• A. (A) and (D) only
• B. (A), (B) and (D) only
• C. (A), (B), (C) and (D)
• D. (B), (C) and (D) only

Hint:

The stigma helps prevent wing damage during flight by increasing rigidity at high angles of attack.

Answer 1

The Correct Option is A

Plerostigmata:
Pigmented spot near wing tip
Found in:
Hymenoptera (sawflies, bees, wasps)
Mecoptera (scorpionflies)
Absent in Psocoptera and Megaloptera