Table of Contents 



PAGE 



Table of the Higher Groups 83 



The Crane Flies (Family Tipulidce) .... 94 



Life History of a Crane Fly ( Bittacomorpha 



cla-vipes) 95 



Families Dixidcc and Stenoxenidce .... 97 



Mosqulioes (Family Culicidce) .... 98 



Life History of a Mosquito (Culex pungens) . 104 



The Moth Flies (Family Psychodidce) . . . 108 



The Midges (Family ChironomidcK ) . . . no 



Life History of a Midge (Chironomus minutus) in 



The Gall-Gnats (Family Cecidomyiidce) . . . 113 



Life History of a Gall-Gnat (Cecidomyin legumini- 



cola) 115 



Fungus Gnats (Family Mycetophilidce) . . . 117 



The March Flies (Family Bibionidce) . . . 119 

 The Black Flies and Buffalo Gnats (Family Simulti- 



dce) 120 



Life History of a Black Fly (Similium pictipes) . 121 

 Families Orphnephilidce, Blepharoceridce and Rhy- 



phidce . . . . . . . . 124 



The Snipe Flies (Family Leptidce) .... 126 



Soldier Flies (Family Stratiomyiidce) . . . 128 



Family Acanthomeridce . . . . . . 130 



The Gad-Flies or Horse-Flies (Family Tabanidce) . 131 



Life History of a Gad-Fly (Tabanus atratus) . 132 

 The Small-Headed Flies and the Tangle- Veined Flies 



(Families Acroceridce and Nemestrinidce) . . 134 



Families Mydaidce and Apioceridce . . . . 136 



The Bee-Flies (Family Bombyliidce) . . . . 137 



Life History of a Bee-Fly (Systoechus oreas) . 138 

 The Window-Flies and Stiletto Flies (Families Sce- 



nopinidx and Therevidce) . . . . 139 



The Robber Flies (Family Asilidce) .... 141 

 The Dance Flies and the Long-Legged Flies (Families 



Empididce and Dolichopodidce ) . . . 144 



The Spear-Winged Flies (Family LoncHopteridce) . 146 



The Hump-Backed Flies (Family Phoridce) . . 147 



Life History of the Ant-Decapitating Fly (Apoce- 



phalus pergandei) 147 



