74 Female Organs of Insects. 
convoluted tube, the vas deferens (Fig. 22, 4, 4), into the 
seminal sac (Fig. 22, ¢, ¢) where, in connection with 
mucus, they are stored. In most insects there are g1andu- 
lar sacs (Fig. 22, @) 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 
Fic. 23. 
dj 
NU PAE Ud 
CAG Se 
Lig Me ities @ he 
HT (i 
CU EEA) Bl 
Female Organs, magnified, from Leuckart, 
O Ovaries. P g Poison glands, 
D DP Oviducts. S rs Sting glands. 
S 6 Spermatheca. Sting. 
P & Poison sac. 
seminal receptacle ready for use, form the seminal fluid. 
Extending from these seminal receptacles is the ejacula- 
tory duct (Fig. 22, e, 7, g), which in copulation carries the 
