I. JV. pallipes. 



4. S. virgo. 



5. S. picipes. 



NEMOTELUS. Swamp Fly. 



fk in. ; black ; body steel blue: legs yellow. 



STRATIOMYS. Coat-of-Arms Fly. 



1. 6\ Meigenii. T \ in.; black; body on each side a triangular spot, 



and tail-end yellow. 



2. .S. nor ma. ^ in. ; black, with chestnut stripe on chest part : body 



with yellow spot and streaks ; legs yellow. 



3. S. intermedia. |g in.: black; yellow hairy: body with a yellow- 



spot on each side and yellow edges. 



in. ; black : body green, with black stripe ; legs yellow, 

 in. ; black ; body with four white spots. 



6. -S\ -'crtcbrata. l / 4 in.: black; body whitish, with a black stripe; legs yellow. 



Family 22. SYRPHID/C. Hi/iu mi/n/ Flies. I)r>ir Flits They feed on the honey of flowers. 

 Syrphus are the most valuable plant lice destroyers, laying their eggs among the plant lice nests. I uliicclla is 

 parasitic on bumblebees. Others live in ants' nests or rotten wood. Eristalis lives in the water. Many of 

 the flies closely resemble bees, bumblebees or wasps. 



PSARUS. Humming Fly. 



1. P. ornatns. 5 ; -;in. ; black; chest with two yellow stripes : body with eight yellow- 



bands. 



2. P. qiiadrifasciatus. % in.; black, chest with four yellow spots; body with 



four yellow bands. 



(39) 



