Periplaneta americana was originally named as Blatta americana by 

Options

A. Burmeister
B. William kirby
C. Linnaeus
D. Vonsiebold

Answer

To answer the question "Periplaneta americana was originally named as Blatta americana by whom?", we can follow these steps:

### Step 1: Identify the Scientific Name
The scientific name "Periplaneta americana" refers to the American cockroach.

### Step 2: Historical Naming
The original name given to this species was "Blatta americana".

### Step 3: Determine the Author of the Original Name
The question asks who originally named it "Blatta americana". According to the information provided, this name was given by Linnaeus in 1758.

### Step 4: Evaluate the Options
We need to evaluate the given options:
1. Bomiester - Incorrect, as he did not name this species.
2. William Kirby - Incorrect, he is known for his contributions to entomology but did not name this species.
3. Linnaeus - Correct, he named it "Blatta americana".
4. Warn Seabold - Incorrect, he also did not name this species.

### Step 5: Conclusion
The correct answer is Linnaeus, who originally named Periplaneta americana as Blatta americana in 1758.

### Final Answer
**Linnaeus**

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