Other sternal glands 
Tergo-sternal 
glands 
Sub- 
genital 
plate Penis Anus 
gland gland gland 
VUIth 
+ 
+ 
Between 4/5; 5/6; + 
6/7 segments 
Between 4/5; 5/6; + 
6/7 segments 
Between 4/ 5;5 / 6; + 
6/7 segments 
glandular cells in petiole; ducts + 
open ventrallv through cuticle 
VII Ith ? + 
Vlllth ? + 
Between 4/5; 5/6; ? 
6/7; 7/8 segments 
9 9 
9 
9 
IMrd Vlllth IXth 
+ 
+ 
Illrd Vlllth IXth 
+ 
+ 
+ + + 
9 
9 
