In cockroach
Ejaculatory duct opens in phallic gland
Phallic gland stores sperms
Vas deferens opens in phallic gland
Phallic gland opens in left phallomere
Describe the structure of oothecae in cockroach.
In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on
Explain the digestive system of cockroach with the help of a labelled sketch.
....... is function of nephrocytes and urecose gland.
Which type of mouthparts is present on the lateral side of the pre-oral cavity in cockroach?