Question

Scansorial or clinging type of legs are found in:

• A. Bed bugs
• B. Mites
• C. Ticks
• D. Head lice

Hint:

Leg modifications in insects:
- Scansorial: Clinging (head lice).
- Cursorial: Running (cockroach).
- Saltatorial: Jumping (grasshopper).
- Fossorial: Digging (mole cricket).

Answer 1

The Correct Option is D

Step 1: Understanding the Question:
This question tests knowledge of insect leg modifications.

Step 2: Detailed Explanation:
Scansorial (clinging) legs are adapted for grasping and clinging to hair, feathers, or smooth surfaces.
Head lice (Pediculus humanus capitis) have scansorial legs adapted to cling to human hair.
Bed bugs (A): Have legs for walking on surfaces.
Mites (B): Have legs for walking and grasping.
Ticks (C): Have legs for walking and grasping.
Thus, head lice have scansorial legs.

Step 3: Final Answer:
Thus, scansorial legs are found in head lice, which corresponds to option (D).
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