166 



NORTH AMERICAN DIPTERA. 



Synamphotera, 75 

 Syndyas, 74 

 Syneches, 74 

 Syntemna, 18 

 Synthesiomyia, 143 

 Syntormon, 80 

 Syritta, 89 

 SYRPHID.*:, 82 

 Syrphus, 87 

 Systoechus, 66 

 Systropus, 67 



Tabanus, 52 

 TABANID.E, 49 

 Tabuda, 69 

 Tachydromyia, 75 

 Tachypeza, 75 

 Tachytrechus, 79 

 Tanypeza, 113 

 Tanypremna, 36 

 Tanypus, 25 

 Tanytarsus, 25 

 Taracticus, 57 



Temnocera, see Volucella, 87 

 Temnostoma, 90 

 Tephritis, 123 

 Tephrochlaniys, 126 

 Teplironota, 117 

 Tetanocera, 126 

 Tetanops, 117 

 Tetanura, 113 

 Tetragoneura, 17 

 Tetropismenus, 117 

 Tersethes, 24-lxiv, 9 

 Teucholabis, 33 

 Teuchocnemis, 89 

 Thambeta, see Diotrepha, 33 

 Thecomyia, 128 

 Thereva, 69 

 THEREVIDA;, 68 

 Theria, 140-lxii 

 Theriopleetes, 62 



Thevenemyia, see Eclimus, 67 



Thinophilus, 81-lxix 



Thlipsogaster 66 



Tipula, 36 



TIPULID.E. 29 



Tolmerus, 59 



Townsendia, 104 



Toxophora, 68 



Toxorrhina, 33 



Toxotrypana, 120 



Tricobius, 152 



Trichocera, 34 



Trichonta, 19 



Trichosia, 17 



Triclis, 55-liii, 6 



Trigonometopus, 127, 128 



Trimicra, 34 



Trineura, 95 



Triodites, see Aphoebantus, 67 



Triodonta, see Polydontoniyia, 



Triogma, 35 



Triplasius, 66-liii, 7 



Triptotricha, 44 



Tritoxa, 117 



Tritozyga, 13 



Trochobola, 32 



Tropidia, 88 



Tropidomyia, 92-xlviii, 34 



Trypeta, 121 



TRYPETID^E, 119 



Tylomyia, 112-xvii, 9 



Tyreomma, 143 



U 



Ubristes, 85 

 Ula, 35 



Ulamorpha, 34 

 Ulidia, 118 

 Urellia, 123 



Volucella, 87 



Velocin, see Hyperalonia, 64 



