Question:
Which of the following insects causes leaf gall in eucalyptus?
Which of the following insects causes leaf gall in eucalyptus?
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Eucalyptus pests:
- Leptocybe invasa: Leaf gall wasp.
- Other pests: Stem borers, defoliators.
- Integrated pest management is needed.
- Leptocybe invasa: Leaf gall wasp.
- Other pests: Stem borers, defoliators.
- Integrated pest management is needed.
Updated On: Sep 1, 2026
- Leptocybe invasa
- Hyblea purea
- Hoplocerambyx spinicornis
- Cossus cadambe
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of insect pests of eucalyptus.
Step 2: Detailed Explanation:
Leptocybe invasa (eucalyptus gall wasp) causes leaf gall in eucalyptus.
It is a major pest of eucalyptus.
Hyblea purea (B): Not a pest of eucalyptus.
Hoplocerambyx spinicornis (C): A stem borer.
Cossus cadambe (D): Not a pest of eucalyptus.
Thus, the correct answer is Leptocybe invasa.
Step 3: Final Answer:
Thus, Leptocybe invasa causes leaf gall in eucalyptus, which corresponds to option (A).
[0.5cm]
This question tests knowledge of insect pests of eucalyptus.
Step 2: Detailed Explanation:
Leptocybe invasa (eucalyptus gall wasp) causes leaf gall in eucalyptus.
It is a major pest of eucalyptus.
Hyblea purea (B): Not a pest of eucalyptus.
Hoplocerambyx spinicornis (C): A stem borer.
Cossus cadambe (D): Not a pest of eucalyptus.
Thus, the correct answer is Leptocybe invasa.
Step 3: Final Answer:
Thus, Leptocybe invasa causes leaf gall in eucalyptus, which corresponds to option (A).
[0.5cm]
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