41a (36b).    Abdomen very constricted at base; antennae often elbowed; tarsi
with 5 segments;
                   bodies hard, ant-like [ants
& wingless wasps]................................................Hymenoptera..... 118 
 
 
41b.    Abdomen not very constricted at base; antennae
not elbowed; tarsi variable..............…….......... 42