Select the gregarious pest :-

Options

A. Locusta
B. Culex
C. Aedes
D. Apis

Answer

To solve the question "Select the gregarious pest," we need to identify which of the given options is a gregarious pest. Here’s a step-by-step breakdown of the solution:

### Step 1: Understand the term "gregarious pest"
- Gregarious pests are those that move and act collectively in groups, often leading to significant damage to crops. They typically swarm and can cause extensive agricultural damage.

### Step 2: Evaluate the options
- **Option 1: Locust**
- Locusts are known for their swarming behavior and are classic examples of gregarious pests. They can form large swarms that devastate crops.

- **Option 2: Culex**
- Culex refers to a genus of mosquitoes. While they can be numerous, they do not exhibit the collective swarming behavior associated with gregarious pests. They are not known to attack crops.

- **Option 3: Aedes**
- Aedes is another genus of mosquitoes. Similar to Culex, they do not swarm or act collectively in a way that would classify them as gregarious pests. They are primarily known for spreading diseases like dengue and Zika virus.

### Step 3: Conclusion
- After evaluating all the options, it is clear that the only gregarious pest among the options provided is **Locust**. Therefore, the correct answer is **Option 1: Locust**.

### Final Answer
- The gregarious pest is **Locust**.

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