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 usetheir 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. 



Mate Organs of Drone^ much magnijied. 



a Testes. 

 h b Vasa deferentia, 

 c c Seminal sacs. 



d Glandular sacs. 



e Common Duct. 

 j ^ Ejaculatory duct. 

 h Penis. 

 i Yellow saccules. 



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 



