Which of the following features is used to identify a male cockroach from a female cockroach? 

Monjur Alahi

Which of the following features is used to identify a male cockroach from a female cockroach? 

(A) Forewings with darker tegmina 

(B) Presence of caudal styles 

(C) Presence of a boat shaped sternum on the 9th abdominal segment 

(D) Presence of anal cerci


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Salim Ahmed Kawsar

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(B) Presence of caudal styles

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