XIV 



INDEX 



saitamac (Tipula) Alexander. . . 21 

 sanctacrucae (Didineis) Brad- 

 ley 129 



sanguinea (Typhlocyba) 267 



Sapromyza (see decora) 



Sapromyzidae 28 



saratogensis (Limnia).75, 76, 77, 79 



80, 87, 88, 89 



saratogensis (Tetanocera). . . .79, 87 



satur (Bradynotes) 361 



Scatophaga (see chaerophylli) 



S(;athophagidae 28 



schoenherri (Ditaenia) 48 



schoenherri (Melina) 48 



Sciomyza 28, 29, 30, 35, 36, 37 



41, 86 

 (see also albocostata, albo- 

 varia, apicata, aristalis, 

 cinerella, dorsata, dubia, 

 glabricula, grisescens, gut- 

 tata, humilis, longipes, 

 nana, nigrimana, obtiisa, 

 pallida, simplex, strigata, 

 tenuipes, trabeculata and 

 ventralis) 



Sciomyzidae 27 



(key to North American 



genera) 29 



Sciomyzinae 29, 35, 86 



Sciomyzini 37, 86 



sciophila (Limnobia) 6 



Scudderia 229 



scntelleris (Erytlironeura)..271, 294 



scutelleris (Typhlocyba) 294 



segnis (Aglaothorax) Relirt. and 



Hebard.. 225, 229, 230, 231, 232 

 Seminole (Brachystegus) Brad- 

 ley 125 



Seminole (Nysson) Bradley . . . . 123 



125 

 Sepedon.. .28, 29, 36, 50, 82, 83, 87 

 (see also armipes, fiisci- 

 |)('iiiii,'^, i)acifica, j)usillus 

 and tcnuicornis) 



Sepedontini 50, 72, 83, 87 



scptentrionis (Rhi[)idia) 4 



serricauda (Tipula) 18 



scrridens (Tipula) Alexander.. . 18 



sessile (Tapinoma) 95, 102, 104 



107, 110 

 setifer (Hylemyia) Malloch .... 186 



192 



setosa (Hoplodictya) 67, 68, 87 



89 



setosa (Tetanocera) 67, 68, 87 



severa (Limnia) Cresson 80, 87 



shannoni (Limnia) Cresson.. .75, 78 

 87, 88, 89 



shawi (Alysson) Bradley 130 



silvatica (Chaetomacera) 65, 87 



similis (Melanoplus) 393, 398 



similis (Eremomyioides) Mal- 

 loch 183 



similis (Melina) Cresson. AO, 42, 43 



44, 87 

 simplex (Anabrus). . . .243, 249, 251 



simplex (Neuroctena) 33, 88 



simplex (Sciomyza) 37, 41 



simplicicornis (Nysson) 128 



spadicithorax (Rhipidia) 5 



spadix (Melina) 42 



sparsa (Limnia) 77, 87, 88 



sparsa (Tetanocera) 77, 87 



spectra (Erythroneura) McAfee 



290, 292 

 sphecodoides (Nysson) Brad- 

 ley " 126, 127 



sphagnorum (Metrioptera) . . . . 258 



specularis (Octogomphus) 339 



sphegus (Syrphus) 83 



spicatus (Gomphus) 339 



spilopterus (Gorytes) 114, 117 



spinicauda (Hydrophoria) 171 



spinicornis (Hoplodictya). 67, 68,87 



spinicornis (Tetanocera) 68, 87 



spiniger (Trichopticus) 159 



spinigerellus (Pegomyia) Mal- 

 loch 178 



spinilamellata (Helina) Mal- 

 loch 140 



spinosa (Hehnia) 234, 240 



spinosissima (Pegomyia) 179 



spinosissima (Pogonomyza).. . . 185 

 Spiraea (see petulifolia) 

 sj)lendidula (Gorytes) Bradlvij 



113, 117 



