All of the following can be found in the female cockroach , except

Options

A. fat body
B. gonapophyses
C. anal styles
D. vestibulum

Answer

To solve the question regarding what can be found in the female cockroach, we will analyze each of the options provided:

1. **Fat Body**:
- The fat body is an important organ in cockroaches, serving primarily in storage and metabolism. It is present in both male and female cockroaches. Therefore, this option can be found in the female cockroach.

2. **Gonapophysis**:
- Gonapophysis is a structure that is specifically found in female cockroaches. It serves as an ovipositor, which is used for laying eggs. Thus, this option is also found in the female cockroach.

3. **Annulus Style**:
- Annulus styles are structures that are present only in male cockroaches. They are involved in the process of copulation. Since this structure is not found in females, this option cannot be found in the female cockroach.

4. **Vestibulum**:
- The vestibulum, also known as the oothecal chamber, is present in female cockroaches. It plays a role in the reproductive process. Therefore, this option can be found in the female cockroach.

After analyzing all the options, we conclude that the correct answer to the question "All of the following can be found in the female cockroach, except" is **Annulus Style**.

### Summary of the Solution:
- Fat Body: Present in both males and females.
- Gonapophysis: Present in females.
- Annulus Style: Present only in males (this is the correct answer).
- Vestibulum: Present in females.

### Final Answer:
**Annulus Style**