INDEX TO AMERICAN INSECT GALLS 



30 T 



Pinaceae, 15 

 Pine bud gall, 17 

 Pine cone gall, 29, 30 

 Pine gall weevil, 1 6 

 Pine midge, gouty, 1 5 

 Pine needle gall, 17, 18 



western, 18 

 Pines, 15 

 pinicorticis, Monardia, 15 



Winnertzia, 15 

 piniradiatae, Thecodiplosis, 18 

 pinirigidae, Cecidomyia, 17, 18. 

 Pinus, 15 

 Pinxter, 176 

 Pinxter bud gall, 176 

 piperitae, Dasyneura, 184 

 piperoides, Andricus, no 

 pisiformis, Andricus, 66 

 Pisonia, 128 



pisoniae, Feltomyia, 128 

 pisonifolia, Feltomyia, 128 

 pistillaris, Andricus, 82 

 pisum, Aylax, 203, 214 



Pontania, 32, 34 

 Pitch midge, 16 



banded, 16 



southern, 16 



western, 16 

 Pitch pine midge, gouty, 15 

 Plane tree family, 133 

 Plantaginaceae, 186 

 Plantain family, 1 86 

 Platanaceae, 133 

 platanifolia, Lestodiplosis, 133 

 Platanus, 133 

 plicata, Rhabdophaga, 32 

 Plowrightia morbosa, 148 

 Plum, 148 



Plumbaginaceae, 177 

 Poa, 26 



Pocket galls, 32 



poculum, Cecidomyia, 107, 108 

 podagrae, Aulacidea, 211, 212 



Cinoticornia, 82 



Rhabdophaga, 34, 35 

 Podapion gallicola, 16 

 Poke weed family, 128 

 PoHshed oak gall, 102, 105 

 polita, Dryophanta, 102, 105 



Dcdaspis, 193 



politus, Agrilus, 37, 49, 135 



Rhodites, 148 

 Polygonaceae, 126 

 Polygonatum, 28 

 Polypodiaceae, 15 

 pomiformis, Callirhytis, 62 

 pomum, Pontania, 32, 34 



Schizomyia, 166 

 Pontania desmodioides, 33 



hyalina, 33 



petiolaris, 34 



pisum, 32, 34 



pomum, 32, 34 

 Poplar, 29, 37 

 Poplar leaf stem gall, 40 

 Poplar twig gall fly, 40 

 Poppy family, 130 

 populella, Ectoedemia, 39, 40 

 populi, Dicrodiplosis, 38 



Eriophyes, 40 



Kronomyia, 40 



Rhabdophaga, 40 

 populicaulis. Pemphigus, 38, 40 

 popuHfolia, Lestodiplosis, 38 



Mycodiplosis, 38 

 populitransversus, Pemphigus, 40 

 populi-venae. Pemphigus, 39 

 populnea, Saperda, 40 

 Populus, 37 

 Porricondyla dilatata, 170 



gossypii, 171 

 porterae, Sackenomyia; 33, 35 

 Potato gall, live oak, 58 

 Potentilla, 140 



potentillae, Gonaspis, 137, 140 

 potentillaecaulis, Cecidomyia, 140 

 pratensis, Colpodia, 26 

 Prenanthes, 214 

 Primrose family, 1 78 

 Primulaceae, 178 

 prinoides, Philonix, 93, 94 

 Prionellus monilis, 25 

 Prodecatoma phytophaga, 165 

 Prodiplosis fitchii, 22 



floricola, 129, 133 

 ])roducta, Hyperdiplosis, 182 

 propinquus, Euura, 36 

 prosopidis, Asphondylia, 152 

 Prosopsis, 152 

 I'rDtaplonyx hagani, 126 



