Male Organs of Insects. 



73 



If we except bees and wasps, there are no true insects 

 that need be feared ; nor need we except them, for with 

 fair usage even they are seldom provoked to use their cruel 

 weapon. 



SEX ORGANS OF INSECTS. 



The male organs consist of the testes (Fig. 22, a) which 

 are double. These are made up of tubules or vesicles, of 

 which there may be from one, as in the drone bee, to 



Fig. 22. 



Male OrgaTis of Droney much mas^nijied. 



e Common Duct. 

 j ^ Ejaculatory duct. 

 h Penis. 

 i Yellow saccules. 



a Testes. 

 b b Vasa deferenda. 

 c c Seminal sacs. 



d Glandularisacs. 



several, as in some beetles, on each side the abdominal cav- 

 ity. In these vesicles grow the sperm cells, or spermatozoa 

 (Fig. 31), which, when liberated, pass through a long 



