162 



COLEOPTERA. 



represent a male Stylops, probably of the same species. 

 It is about a fourth of an inch long. The eyes are 

 prominent and mounted on pedicels which, as stated 



Fig. 115. 



on p. 20, are not jointed stalks, but simply prolonga- 

 tions of the sides of the head. The small mesothorax 

 bears the modified wing-covers, which at first sight 



remind one of the halteres 

 of the Diptera, and the 

 metathorax, the largest por- 

 tion of the body, carries 

 ^'^' "^- the broad, fan-shaped 



wings. The larvae are born alive, as the female Sty- 

 lops is viviparous. They have three pairs of legs, and 

 are very active. On leaving the parent, they find 

 their way to the abdomens of other bees, where they 

 moult their skin and appear as footless grubs. 



The two following families are not parasitic, but 

 most of their larvae live surrounded by their food, as in 



