118a  (15a, 41a, 67b & 84a).    Last sternite (= ventral plate) of female
abdomen divided
 longitudinally;
ovipositor issues from anterior to tip of abdomen and has a pair of
exserted  
sheathes capable of covering ovipositor tip; hind wing
usually without lobes......…................119
 
 
118b.    Last sternite of && abdomen not divided longitudinally;
ovipositor (or sting) issues from
              the tip of
abdomen and without a pair of exserted sheathes; hind wing often with an anal
               lobe...................................................................................................………….........................................126