HYMEXOPTEPA. 
Europcva is one of the largest species ; they are supposed 
to be parasitic in the nests of other insects. 
The Fossores or Diggers consist of the Sand-wasps 
and Wood-wasps; they are solitary in their habits, and 
excavate cells in wood or earth, in which they bury 
other insects which they have captured, and disabled 
by stinging them. The eggs are deposited in the cells, 
and the lame, when hatched, find food ready at hand. 
Nest of Wasp (interior . 
XtoT of Wa&p (exterior 
Sometimes dead insects are stored in the cells. In 
Plate V., Fig. 8, will be seen a drawing of a Sand-wasp 
(Ammophila sabulosa ), somewhat magnified. 
The Diploptera or True-v T asps consists of the Solitary- 
wasps (. Eumenidce ), and the Social-wasps ( Vespidce) ; 
the former live isolated and consist only of males and 
females; the genus Eumenes is the type ; there is only 
one Britsh species (E. coarctata) ; this insect forms a 
nest ot mud or fine earth of spherical shape, which it 
