Different between male and female cockroach
| Male cockroach | Female cockroach |
| They have larger antennae. | They have shorter antennae. |
| The abdomen is long and narrow. | The abdomen is short and broad. |
| Brood pouch is not present. | Brood pouch is present. |
| A pair of unsegmented anal styles is present. | Anal styles are absent. |