Question

Pareuchaetes pseudoinsulata is a biocontrol agent of:

• A. Prickly pear
• B. Water fern
• C. Siam weed
• D. Crofton weed

Hint:

Know specific biocontrol agents and their target invasive species for ecological management.

Answer 1

The Correct Option is B

Step 1: Prickly pear is controlled by Cactoblastis/Dactylopius, not Pareuchaetes.
Step 2: Siam weed and Crofton weed each have their own dedicated agents.
Step 3: By elimination, Water fern is the weed associated with Pareuchaetes pseudoinsulata here.
Step 4: The correct option is Water fern.