692 



INDEX. 



Polvchvosis viteana (Grape-berry 



Moth), control of, in U.S.A., 94, 



403. 

 Poh'gala paniciilata, food-plant of 



mites in Dutch East Indies, 454. 

 Polvgnotus hieinalis, parasite of 



Mavetiola destructor in U.S.A., 



376. 

 Polygnotus minutus, parasite of 



Mavetiola destructor in Russia, 



106. 

 Polygonum (Smartweed), food-plant 



of Polia oleracea in Britain, 62 ; 



iood-plant of Pyrausta ainsliei 



in U.S.A., 116, 339. 

 Polygonum hydropiperoides, Pyrausta 



penitalis on, in U.S.A., 14. 

 Polygonum incarnatum, Pyrausta 



penitalis on, in U.S.A., 14. 

 Polvgoimni persicaria, Pyrausta 



ainsliei on, in Connecticut, 339. 

 Polygraphus poligraphus, bionomics 



of, in Bohemia, 324 ; in forests 



in Lithuania, 420. 

 Polygraphus prinius, sp. n., in 



Kamerun, 175. 

 Polygraphus rufipennis, in forests in 



Canada, 192 ; in Larix laricina 



in U.S.A., 127. 

 Polygraphus subopacus. in forests in 



Lithuania, 420. 

 Polyhedral Disease, infesting Panolis 



flammea in Holland, 226. 

 Polynesians, Sclerodermus. 

 Polyocha saccharella, identical with 



Emmalocera {Papua) depressella, 



100. 

 Polyonmiatus baeticus (see Lampides) . 

 Polyphyllafullo, in Russia, 106. 

 Polyporus, Mycetophagus bifasciatus 



associated with, on pine-log in 



India. 10. 

 Polvponis sulphureus, in forests in 



North America and Europe, 15 ; 



Tinea cloacella bred from, in 



U.S.A., 15. 

 Polyporus tsugae, Tinea cloacella 



associated with, on hemlock and 



pine in U.S.A., 15. 

 Polyspilota pustulata, a beneficial 



insect in San Thome, 494. 

 Pomegranate, Aphid on, in Persia, 



498 ; food-plant of Euproctis 



flava in Punjab, 109. 

 pomi, Aphis, 

 pomicorticis , Mytilaspis (see Lepido- 



saphcs ulmi) . 

 pomifoliella, Bucculatrix. 

 pomivora, Tortrix. 

 pomonae, Apion. 

 pomonella, Cydia {Carpocapsa, Las- 



peyresia) ; Marmara ; Rhagoletis. 



pomorum, Anthonomus ; Mytilaspis 

 {see Lepidosaphes ulmi) ; Pimpla. 



Pomphopoea savi, in New York, 303. 



Pompilus fugax, a beneficial insect 

 in New Zealand, 63. 



Pongamia glabra, Parata alexis on, 

 in India, 101. 



Pontania, in Europe, 162. 



Pontania proxima, bionomics of, on 

 Salix amygdalina in Holland, 199, 

 407. 



Pontania salicis, forming galls on 

 Salix purpurea in Lithuania, 420. 



Pontania vesicator, on Salix daph- 

 noides in Switzerland, 37. 



Pontia (see Pieris). 



Poophilus costalis, on sugar-cane 

 and rice in Formosa, 86. 



Popillia complanata, on acacia in 

 Ceylon, 520. 



Popillia japonica (Green Japanese 

 Beetle), precaution against intro- 

 duction of, into Canada from 

 Japan, 222 ; bionomics and con- 

 trol of, in U.S.A., 12, 43, 95, 

 187, 307, 308, 315, 360, 374, 482 ; 

 legislation again.st, in U.S.A., 

 512. 



Poplar {Popiilus) (Cottonwood), bio- 

 nomics of Zeugophora spp. on, in 

 Canada, 151 ; pests of, in Ger- 

 many, 268, 356, 426 ; pests of, in 

 Italy, 141 ; pests of, in Lithuania, 

 420, 421 ; Carpophilus dimidiatus 

 on, in Mesopotamia, 478 ; pests 

 of, in Russia, 104, 105, 106, 107 ; 

 Porthetria dispar on, in Switzer- 

 land, 202 ; pests of, in U.S.A., 

 82, 128, 247, 295, 305, 464 ; 

 Idiocerus scurra probably im- 

 ported into U.S.A. with, 464. 



Poplar, Aspen (see Populus iremu- 

 loides) . 



Poplar, Lombardy, bionomics of 

 Macropsis virescens var. graminea 

 on, in U.S.A., 77. 



Poplar, White (see Populus alba). 



Poplar Leafhopper (see Idiocerus 

 scurra and Macropsis virescens 

 var. graminea). 

 Poplar Sawfly, experiments with 

 cliloropicrin against, in France, 

 38. 

 Poplar Stem Leaf-hopper (see Ma- 

 cropsis virescens var. graininea). 

 Poppy, Californian, Physothrips 



blacki on, in Oregon, 135. 

 poptilella, Tachyptilia. 

 populi, Melasoma ; Snierinthus. 

 populifoliella, Phyllorycter {Litho- 



colletis) . 

 populnea, Saperda. 



