HYMENOPTERA. 3 69 
they require with their mandibles, the notches being wonderfully 
cleanly cut, as if they had been done with a punch. 
They make as many as eight or ten envelopes in succession with 
the leaves, which, as they get dry, contract, keeping, however, the 

























Fig. 342.—Rose Megachile (Wegachile centunculuris ). 
form given to them by the insect. The cells destined to receive 
the eggs acquire thus a certain solidity. Fig. 342 represents the 
nest of the Megachile. 
The Uphosterer Bees (Anthocopas) line their nests with the petals 
of flowers, as, for example (Papaver Rheas), the corn-poppy. 
Their burrows are made perpendicularly in 
the beaten earth of roads, and each contains 
one solitary cell, lined with portions of 
petals. When the egg has been laid at the 
bottom of this cell, the bee fills up the rest 
of the hole with earth to hide it from notice. 
The Mining Bees (Andrene) hollow out in "S34 — G4 y 8 an Andrena- 
the ground tubular galleries (Fig. 343). They are not larger 
BB 

