INDEX 



283 



Syrphus arcuatus 45 

 bryantii (45) 

 contumax 45 

 diversipes 45 

 geniculatus 47 

 glacialis 47 

 gracilis 46 

 macularis 47 

 mentalis 45 

 peltatus (42) 

 ribesii 46 

 sulphuripes (47) 

 torvus 46 

 trichopus (42) 

 velutinus 45 



Tabanus insuetus 21 



septentrionalis 20 



sonomensis 21 

 Tachina algens (53) 



picta (52) 

 Tapinops abdominalis (236) 



calif ornicus 236 



emarginatus (236) 



pusillus (236) 

 Telmatogeton alaskensis 9 

 Tenthredinoidea 79-105 

 Tenthredo auraria 267 



bivittata 104, 268 



dissimulans 103, 268 



erythromera 103, 268 



evansii 102, 267 



femorata (269) 



ferrugineipes 101, 267 



flavomarginis IO2, 268 



harrimani 103, 268 



lineata 102, 267 



melanosoma 103, 268 



mellina 102 



nigricollis 102, 268 



nigrofasciata (100), (266) 



semicomis (268) 



varipicta 101, 267 

 Tenthredopsis evansii (267) 

 Tephritis murina 73 

 Terobia vulgaris 150, pi. n, f. 3 

 Tetanocera plumosa 71 

 Xetrarhapta alaskensis 147, pi. n, f. 2 

 Tetrastichus alaskensis 152 



Tetrastichus anthracinus 152 

 Thaumatotypus alaskensis 196 

 Thereva melanoneura 21 

 Theroscopus kukakensis 197 



popofensis 197, 198 



rufipes 197 

 Thestis tricincta 193 

 Thryptocera flavipes 52 

 Thyreopus succinctus (138) 



vicinius no, 138 

 Tipula appendiculata 16 



besselsi 16 



cineracea 18 



fallax 16 



gelida 18 



macrolabis 16 



notata 2, (8) 



septentrionalis 16 



spernax 19 



strigata 16 



tenebrosa 17 

 Tlemon delicatus 222 

 Torymus cecidomylje 149 

 Trematopygus kukakensis 221 

 Tremex flavicornis (259) 

 Trevoria yakutatensis 202, pi. in, f. 3 

 Trichiosoma aleutianum (105), 269 



triangulum 83, 105, 269 

 Triclistus curvator 124, 238 

 Tricyphona diaphana 2, 13 



vitripennis 13 

 Trineura aterritna 51 



rufipes (51) 



Trophoctonus insularis 221 

 Tryphon alaskensis 221 



canadensis (221) 



Urocerus flavicornis (259) 



Vespa arenaria (140) 



borealis 112, 140 



marginata 112, 140 

 Vespoidea 107-112 

 Volucella facialis 48 



Xestophya nigripes 169 



polita 1 68 



Xylonomus frigidui 2IO 

 Xylota barbata 51 



