TACMINID.'G. Slfift Flics. Tliesc flies are parasitic on other insects, particularly on caterpillars, mi 

 which tliev lav their eggs. Their larva 1 live ami transform within the bodies of the caterpillars and thereby 



destroy the latter. 



TRICHOPODA. Eyebrow Fly. 



i. '/'. fornmsa. 5,8 in : chest black with white stripes ; body red : wing black with white stripes. 



7'. la iii p 



in. ; black with white lines on chest : wing black, hind edge clear. 



3- 

 4- 



5- 



6. 



7". pen ni pcs. '4 in.; chest gold with black stripes ; body rust yellow ; hind legs feathered. 



7'. cilipcs. 



s. 



.4 



>lackish brown ; body reddish : wings lined : hind legs feathered. 

 7". hirtipcs. ' in.; black; first rings of body reddish ; wing clear edged. 

 V. plitinipcs. ]^ in. ; black ; hind edge ot" wing white ; hind legs feathered. 



TACH1NA. Swift Fly. 



(Jiii-itiiu) I/vsti-i\. '_. in.: blue black: body dark chestnut: head with yellow- 

 hair: wing light brown : scales brownish. 



( f>irinia\ 'ilgcns. } 2 in. : chest greenish blue black : body dee]) black : evi-s red 

 brown ; head and .shoulder brassy yellow : scales white, 

 i Ilystricia) :/:/</. '; in.; chest gray with black stripes; 



lack spots and hair ; legs light red. 

 abi-iipta. ,;. in.; chest gray with dark stripes : body orange. 



with a blackish dotted stripe ; legs black. 



tiis jiiiictti. -'4 in. ; chest gray with black lines: body black 

 and white banded. 



(SeHOict/>f'a) inilitaris or Xciiiortca htcaiiiic. Their 

 larva 1 feed on the army worm and destroy it. 

 (LvJcl/a) tiorvpli'ii'tc. Their larva. 1 teed on the potato 

 beetle. 



(SO 



>dv light red \\ ilb 



