Family 24. SCENOPINID/E. Window. Flies. Small black flies, without bristles. They are named 

 from being often found on the windows. Their body is flat, and their wings overlap each other when at rest. 



SCENOPINUS. Window Fly. 



I. S. pallipes. %, in. ; metallic brown, with vellow legs and brown wings. 



Family 25. LONCHOPTERID/C. Spear-winged Flies. Small brownish or yellowish flies; live on 

 grasses in moist places. Wings cover each other when at rest. 



LONCHOPTERA. Spear- winged Fly. 



Family 26. PIPUNCULID/E. Big-eyed Flies. .Small flies, sometimes found on flowers; their heads 

 are all eyes. 



PIPUNCULUS. Big' Eyed Fly. 



Family 27. PLATYPEZID/C. Flat-fooled Flies. Like small house flies, but the upper joints of their 

 feet are widened and flat. They are found hovering in the air or running swiftly over leaves. 



PLATYPEZA. Flat-footed Fly. 



(47) 



