Zoology - Structural Organisation in Animals Question with Solution | TestHub

Female cockroach differs from the male cockroach in may features -

- The body of male cockroach is relatively smaller than the female cockroach

- The antennae of female is larger than in males.

- Boat shaped abdomen is present in female cockroach and its last segment is blunt.

- The wing size of female cockroach is not as large as that of the males and extend up to the tip of the abdomen.

- The 10th segment bears a pair of jointed filamentous structures called anal cerci found in both sexes and the males bear a thread like small structure called as anal styles (caudal style). This is absent in the female.