200 ASSOCIATION OF ECONOMIC ENTOMOLOGISTS. 



Page. 



Pent pit igus JactuJariiis 167 



ulm ifusus, galls on red elm in Minnesota 85 



Peregrinus maidis, in sugar-cane fields in Hawaii 65 



Perkins, R. C. L., trip to Australia in 1904 66 



PerJdnsidla saerttaricida. Ectkrodelphax fairchUdii a parasite in Hawaii. 65 



enemy to sugar-cane in Hawaii. 65-66 



Persea gratissima, food plant of Apate carmdita. 70 



Persimmon. Japanese, food plant of Hypocala andremona 70 



Petroleum, increase of horseflies following abandonment against mosquito larvae " 90 



PJienacoccus acericola, destruet ion by spi aying 161-162 



in New York. 90 



Pit ilsenus lineatus, in Xew York 90 



spumaria, in Xew York 90 



PMegetliontius sexta, on tobacco in Cuba 70 



Photographic prints, injury by Lepisma saceltarina . 176 



Photography, apparatus and methods in boll-weevil investigations 11(5-119 



of insects, methods 131-132 



Photomicrography, camera stand. 118 



Phylogeny of insects, significance of wing origin 29 



Pigeon grass, food plant of Aph is maidi-radicis 37 



Plinpla inquisitor, sulphur dioxide as insecticide. 145 



Pineapples, uninjured by moderate sulphur-dioxide fumigation 142. 149 



Plague locust of Xatal. (See Acridium purpuriferum.) 

 Plant bug, tarnished. (See Lygus pratensis.) 



diseases, insects as conveyors 18 



importation into Hawaii 59 



products, of the United States, estimated value 103 



Plants, living, destructive action of sulphur dioxide.. .: 140, 142, 149 



Platyomus lividigaster, enemy of aphides in Hawaii 61 



saves citrus. Hibiscus, and sugar cane in Hawaii 61 



Plectrodera scalator, on cottonwood in Texas - 69 



Plodia inter punctella, hydrocyanic-acid gas as insecticide 154 



Plum curculio. (See Conotrachelus nenuphar.) 



food plant of Eulecanium nigrofasciatum 77 



Malacosoma disstria 79 



Pomphopcea texana 6S 



galls of EriopJi yes padi. 85 



Plumeria, food plant of Pseudospk inx tetrio 70 



Plutella maeulipennis, on cabbage in Cuba 70 



Podisus macuJiventris, Anisota virginiensis as food 160 



confusion of Podisus serievt ntris 155 



duration of nymph stages and length of adult life 158, 159, 161 



egg laying and duration of incubation 157- 15S, 160, 161 



enemy of Alabama argillacea 155 



Gait media luteola 155, 159-160, 161 



lit lioth is obsolefa. - 155 



Lejfb'motarsa <h a mlineata . 155 



tent caterpillar 155 



feeding habits 159-160, 161 



paper 155-161 



Podisu* spinosus a synonym . . 155 



variation in form and size of adults _ . — 15(3. 160 



serieventris, confusion with Podisus maculive ntris 155 



spinosus=Podisus maculiventris 155 



