74 



Female Organs of Insects. 



convoluted tube, the vas deferens (Fig. 22, b^ d), into the 

 seminal sac (Fig- 22, c, c) \\here, in connection with 

 mucus, they are stored. In most insects there are glandu- 

 lar sacs (Fig. 22, rf) joined to these seminal receptacles, 

 which in the male bee are very large. The sperm cells 

 mingled with these viscid secretions, as they appear in the 



FemaU Organs, viagnifiedy from Leuckart, 



O Ovaries. 

 D n Oviducts. 

 S b Spermatheca. 

 P h Poison sac. 



P g Poison glands. 

 5 ^ Sting glands. 

 5 Sting. 



seminal receptacle ready for use, form the seminal fluid. 

 Extending from these seminal receptacles is the ejacula- 

 tory duct (Fig. 22, e, /", _^), which in copulation carries the 



