CATALOGUE OF NORTH AMERICAN D1PTERA. 



679 



Senotainia, 447 

 Seoptera, 597 

 Sepedon, 580 

 Sepsis, 619 

 Sericocera, 496 

 Sericomyia, 382 

 Sctigena, 462 

 Sicus, 413 

 Sigaloessa, 640 

 Sigmatomera, 84 

 Silvius, 184 

 Simulium, 168 

 Siphoclytia, 443 

 Siphomyia, 635 

 Siphona, 444 

 Siphonella, 637 

 Siphoniomyia, 421 

 Siphoplagia, 446 

 Siphophyto, 443 

 Siphosturmia, 449 

 Sisyropa, 455 

 Somomyia, 524 

 Soinula, 402 

 Spallanzania, 479 

 Spania. 217 

 Sparnopolius, 240 

 Spathichira, 298 

 Spathiophora, 568 

 Spazigaster, 355 

 Sphcerina, 432 

 Sphrerocera, 576 

 Sphjerophoria, 372 

 Sphageus, 256 

 Sphecomyia, 404 

 Sphegina, 374 

 Sphenoidoptera, 241 

 Sphi.rea, 404 

 Sphi.vimorpha, 406 

 Sphyracephala, 62- 

 Sphyromyia, 484 

 Spilogaster, 543 

 Spilographa, 604 

 Spilomyia, 403 

 Spogostylum, 221 

 Stegana, 640 

 Stegomyia, 125 

 Steneretma, 598 

 Stenodexia, 503 

 Stenomacra, 599 

 Stenomicra, 644 

 Stenomyia, 598 

 Stenopa, 603 

 Stenopogon, 256 

 Stenoprosopus, 280 

 Stenopterina, 590 

 Stenoxenus, 107 

 Stevenia, 451 

 Stcthopathits, 340 

 Stibasoma, 199 

 Stichopogon, 262 

 Stictocephala, 594 

 Stictomyia, 594 

 Stilbometopa, 654 

 Stilpnogaster, 281 

 Stilpon, 310 



Stomatodexia, 500 

 Stomoxys, 529 

 Stonyx, 228 

 Stratiomyia, 182 

 Straussia, 602 

 Strebla, 657 

 Sturmia, 464 

 Stygeropis, 99 

 Stylogaster, 411 

 Snbula, 212 

 Sycorax, 107 

 Symphoromyia, 217 

 Symplecta, 86 

 Sympycnus. 292 

 Synamphotera, 316 

 Synartkrus, 292 

 Syndyas, 318 

 Syneches, 317 

 Syneura, 339 

 Syntemna, 142 

 Synthesiomyia, 529 

 Syntormon, 292 

 Syritta. 397 

 Syrphus, 363 

 Sj'stoechus, 237 

 Systropus, 244 

 Tabanus, 200 

 Tabuda, 246 

 lachina, 469 

 Tachinodcs. 485 

 Tacliinomyia, 469 

 Tacliinophyto, 433 

 Tachinopsis, 471 

 Tachydromia, 313 

 Tachypcza, 313 

 Tachytrechus, 307 

 Terniufifcra. 614 

 Taeniorhynchus, 133 

 Tanypeza, 617 

 Tanypremna, 96 

 Tanypus, 1 1 7 

 Tanytarsus, 1 1 7 

 laracticus, 266 

 Tauromyia, 645 

 Telmatogeton, 114 

 Telothyria. 441 

 Temnoccra, 376 

 Temnostoma, 405 

 Tephritis. 611 

 Tephrochlamys, 573 

 Tephronota, 591 

 Tersesthes, 107 

 Tetanocera, 579 

 Tetanops, 592 

 Tetanura, 614 

 Tetrachasta 559 

 Tetrachccta, 484 

 Tctradiscus, 618 

 Tetragoneura, 140 

 Tetragrapfia, 471 

 Tetropismenus, 591 

 Teuchocnemis, 396 

 Teucholabis, 82 

 Teuchophorus, 290 

 Thalassomyia, 1 1 7 



