INDEX TO AMERICAN IXSEC'l" (lALLS 



splendidus, Phyllocoptes, 165 



spongiola, Andricus, 62 



spongiosa, Disholcaspis, 65, 71 



Sporobolus, 25 



Spruce, 18 



vSpruce bud midge, 1 8 



Spruce cone gall, 18, 19 



long, 18 

 Spruce gall midge, 1 8 

 Spurge, 158 

 Spurge family, 157 

 Spurge fruit gall, 158 

 squamosa, Neolasioptera, 22 

 squamulicola, Cecidomyia, 49 

 squarrosae, Asteromyia, 194 

 Squaw- weed, 212 

 Stachytarpha, 182 

 Staff tree family, 160 

 Stagmatophora ceanothiella, 165 



scxnotella, 181, 182 

 Stanleya, 130 

 stanleyae, Dasyneura, 130 

 Stem gall, 28 

 Stinking clover, 1 3 1 

 Strawberry, 138 

 Strawberry gall, 138 

 strobilana, Cynips, 71 

 strobiloides, Dasyneura, 198 



Rhabdophaga, 29, 30 

 stropus, Andricus, 74 

 Studded oak gall, 65, 68 

 vSuaeda, 128 



subelliptica. Phylloxera, 48 

 sublenticularis, Neuroterus, 106 

 subterranea, Gnorimoschema, 201 

 succinipes, Disholcaspis, 63, 67, 68 

 Succulent oak gall, 88, 89, 90 

 Sugar maple, 163 

 sulcatus, Cynips, 78 

 Sumac, 159 

 Sumac bud gall, 159 

 wSumac root gall, 159 

 Sunflower, 206 

 Sunflower bullet gall, 206 

 Sunflower purse gall, 206 

 Sunflower seed midge, 206 

 Sunflower stem midge, 205, 206 

 vSunflower tubular bud gall, 206, 207 

 suttoni, C'allirhytis, 60 

 swainei, Rhabdophaga, 18 



Swamp loosestrife, 1 73 

 Swamp rose mallow, 171 

 Sw'eet fern, 40 

 vSweet fern midge, 40, 41 

 Sweet gale family, 40 

 Sweet gum, 133 

 sylvestris, Asteromyia, 200 

 symmetrica, Cincticornia, 90 



Phylloxera, 46 

 Symphoricarpos, 187 

 Syntomaspis druparum, 134, 135 



Tar-weed, 191 



Tar-weed bHster midge, 190, 191 

 Tar- weed blossom midge, 190, 191 

 taraxaci, Aylax, 203, 212 

 Taraxacum, 212 

 taxodii, Itonida, 19 



Retinodiplosis, 19 

 Taxodium, 19 

 Tecom-a, 185 

 tecomiae, Itonida, 185 

 tectus, Neuroterus, 52, 56 

 temeritatis, Colpodia, 179 

 tenuicornis, Bassettia, 115 

 Tetradymia, 212 



tetradymiella, Gnorimoschema, 21. 

 Tetraneura ulmisacculi, 121 

 texana, Coquillettomyia, 25 



Walshomjda, 21 

 texanus, Andricus, 112 

 thalictri, Asphondylia, 128 

 Thalictrum, 128 

 Thecodiplosis ananassi, 19 



cockerelli, 17, 18 



dulichii, 27 



liriodendri, 129 



mosellana, 22 



piniradiatae, 18 



quercifolia, 116 



zauschneriae, 173, 174 

 Thermopsis, 152 

 Thomasia calif ornica, 187 

 thompsoni, Caryomyia, 47 



Rhopalomyia, 197 

 Thorn cockscomb gall, 136 

 Thorn limb borer, 135, 136 

 Thorn purple leaf blotch, 1 38 

 Thorn vein gall, 136, 138 

 Thorough wort, 190 



