I04 



HANDBOOK OF ANTS, BEES, ETC 



divided into two sections, containing thirteen sub-families. The 

 first section, Calypferce, contains five sub-families. The Tachmince 



Fig. 147. — VolucellaZonaria. 



are parasitic in the larval stage on Lepidoptera. The largest of the 

 MicscidcB found in Europe is Echinomyria grossa, which measures 

 about three-quarters of an inch in length. 



Fig. 148.— Conops Flavipes (Mag.) 



Many species of the Dexina are of the most metallic-green or 

 blue. They are principally found in Australia. 



The Flesh Fly {Sarcophaga carnarid) belongs to the SarcophagincB 



Fig. 149.— Myopa Ferruginea (Mag.) 



and is one of our largest species. The larT(^ of some species are 

 called "Screw Worms " in America. 



