OIL BEETLE. 



373 



343, Meloe angusticolUs Say), the first larva l)eing minute 

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



Fig. 343.— Oil Berlle. a, first larva; 5, second larva ; c, third larva ; rt, ijiipa. 



second and third stages it feeds on the pollen mass designed 

 for the young bees. 



Fig. ?Aii.—Slylops childreni, male, dorsal and side view. Much enlarged. 



The blister beetles {Lytta margmata) undergo a similar 

 series of transformations called a hypermetamorjohosis. 



