48 POPULAR ENTOMOLOGY. 



9. Theremdce. Proboscis ending in two large lobes ; 

 antennae, third joint ovate, terminated by a seta ; 

 body conical, and clothed with silky down ; size 

 moderate. Locality, trees. 



10. DolichopidoB. Tongue short and acute ; antennae 



short, ending in a small oval joint with a long seta ; 

 wings lying on the body when at rest ; legs long ; 

 body compressed and curved at the tip ; colour bril- 

 liant and metallic ; size small. Localities, walls, 

 trunks of trees, or near water. 



11. Syrphidce. Proboscis long, membranous and elbowed ; 



antennae three-jointed, the third being the largest, 

 ending in a seta ; head round, almost covered by the 

 eyes, and sometimes produced into a kind of beak in 

 front ; hind legs often thickened and toothed ; body 

 never curved at the end ; colour varied ; size large 

 or moderate. 



12. Conopidce. Proboscis long and elbowed, of various 

 shapes, cylindrical, setaceous, etc. ; antennae with 

 very short setae ; body curved at the end ; colour 

 prettily varied. Locality, plants and flowers. 



13. Musddce. Proboscis short, thick, membranaceous and 



distinct ; antennae with the third joint the longest ; 



