INDEX. 



793 



Poplar Leaf Beetle (see Melasoma 

 populi) . 



Poplar Leaf-miner, parsitised by 

 Adelius nigripecius in North 

 America, 551. 



Poplar Longicorn, Large (see Saperda 

 carcharias) . 



Poplar Sawfly (see Cladius viniin- 

 alis) . 



Poplar Weevil (see Cvyptorrhynchus 

 lapathi) . 



Poppy (see Papavev) . 



Poppy Thrips, measures against, in 

 Formosa, 292. 



populeus, Pterocomma. 



populi, Chaitophorus ; Idiocerus ; 

 Melasoma {Lina) ; Micracis ; 

 Rhinocola. 



popiilnea, Saperda. 



Populus (see Poplar). 



Populus alba, new Aphid on, in 

 France, 271. 



Populus angustifolia, Rhynchaenus 

 rufipes on, in Utah, 382. 



Populus euphraticus, Rhinocola 

 populi on, in Mesopotamia, 391. 



Populus grandidentata (Large- 

 toothed Aspen), form of Lepido- 

 saplies ulnii on, in U.S.A., 517. 



Populus nigra var. italica (Lombardy 

 Poplar), Pemphigus spirothecae 

 forming galls on, in Germany, 

 492 ; form of Lepidosaphes ulmi 

 on, in U.S.A., 517. 



Populus tremula (European Aspen), 

 pests of, in Czecho-Slovakia, 486, 

 487 ; Asiphum tremulae on, in 

 France, 271 ; Saperda perforata 

 on, in Lithuania, 146 ; Chaito- 

 phorus populi var. leuconielas on, 

 in Scotland, 351. 



Populus tremuloides (American 

 Aspen), Trypodendron retusus in, 

 in British Columbia, 579 ; pests 

 of, in U.S.A., 517, 538, 579. 



Populus trichocarpa, Prionoxystus 

 rohiniae probably on, in U.S.A., 

 73. 



Porcellio scaber, measures against, on 

 mushrooms in Britain, 49 ; in 

 houses in New Zealand, 468. 



Porina, in New Zealand, 468, 542 ; 

 Cordyceps consumpta infesting, 

 542. 



Porina dinodes, Cordyceps robertsi 

 infesting, in New Zealand, 542. 



Porina enysii, Cordyceps spp. 

 infesting, in New Zealand, 542. 



Porosagrotis orthogonia (Pale Western 

 Cutworm), on cereals in Alberta, 

 139 ; bionomics and control of, 

 in U.S.A., 30, 111. 429, 482. 



(10711) 



porosus, Neosyagrius. 



portchinskyi, Paracletus. 



portentosus, Brachytrypes. 



Porthetria [Lymantria] dispar (Gipsy 

 Moth), in imported nursery stock 

 in British Columbia, 126 ; in 

 France, 240, 267 ; in Germany, 

 263, 599; in Russia, 117; in 

 U.S.A., 25, 31, 56, 173, 275, 315. 

 333, 334, 381, 403, 586, 595 ; sum 

 to be expended on measures 

 against, in U.S.A., 586 ; inter- 

 cepted in quince stock in U.S.A., 

 380 ; quarantines against, in 

 U.S.A., 275, 595 ; parasites and 

 biological control of, 31, 80, 81, 

 317, 334; other measures against, 

 31, 240, 263. 



Porto Rico, Apate francisca in, 241 ; 

 new trophobiotic Coccid in, 616 ; 

 precautions against introduction 

 of cotton pests into, 169 ; para- 

 sites of Leucoptera coffeella in, 

 535 ; Platyedra gossypiella in, 

 535, 536, 595 ; rhinoceros beetles 

 in, 535 ; sugar-cane pests and 

 mosaic disease in, 96-98, 347 ; 

 termites and their control in, 126 ; 

 weevils and their food-plants in, 

 391 ; pests from, intercepted in 

 U.S.A., 71, 197, 328, 472; pro- 

 hibition against importation of 

 sugar-cane etc. into St. Lucia 

 from, 229. 



Portulaca oleracea (Purslane), Nonio- 

 phila noctiiella on, in U.S.A., 515. 



posita, Ischnura. 



postexcisa, Zeuzera. 



postica, Orgyia. 



posticus, Phytonomus (see Hypera 

 variabilis) . 



Potash, effect of, against tea pests, 

 153, 396, 524, 547. 



Potash Soap, against ants, 55 ; 

 against Apliids, 224, 225 ; against 

 Coccids, 55, 188, 189, 309, 350 ; 

 against Coleoptera, 225, 533, 608 ; 

 against mites, 110 ; against vine 

 moths, 63 ; formulae containing, 

 55, 110, 189, 309, 350, 608 ; fruit- 

 trees washed with, 224. 



Potassium, as a base for oil emulsion 

 against mites, 512. 



Potassium Arsenite, and Bordeaux 

 mixture, against Henierophila 

 pariana, 488. 



Potassium Chloride (Muriate of 

 Potash), as a soil-dressing against 

 strawberry pests, 295. 



Potassium Cyanide, unsuitable 

 against Eriosonia lanigerum, 581 ; 

 watering with, against Eiixoa 



3G 



