OIL BEETLE. 



353 



337, Meloe angusticollis Say), the first larva being minute 

 and parasitic on bees, sucking their blood, while in the 



Fig. 337. — Oil Beetle, a, first larva ; &, second larva ; c, third larva ; d^ pupa. 



second and third stages it feeds on the pollen mass designed 

 for the young bees. 



Kg. 338.—Stylopschildreni, male, dorsal and side view. Much enlarges. 



The blister beetles {Lytta marginata) undergo a similar 

 series of transformations called a hypermetamorphosis. 



