INDEX, 



685 



Porto Rico, miscellaneous pests in, 

 56, 131, 352, 408, 514-516; 



vegetable i)ests in, 248 ; Euseepes 

 batatae intercepted in Florida on 

 sweet potato from, 215. 



Portugal, scale-insects from, 6. 



Post Oak (see Quercus mmor). 



postexcisa, Zeuzera. 



postica, Rypera (see R. variabilis). 



posticus, Pliytonomus (see Hypera 

 variabilis). 



postvittana, Tortrix {Archips). 



Potaniogeton polyqonifolius, Donacia 

 aeraria on, in Korea, 273. 



Potassium Carbonate, in formula 

 against Eriosoma lanigerum, 487. 



Potassivim Cyanide, in preparation 

 of liydrocyanic-acid gas, 18, 230 ; 

 and flour, dusting with, against 

 cockroaches, 230; (see Hydro- 

 cyanic Acid). 



Potassium Permanganate, effect of, 

 on vine moths, 457. 



Potassium Polysulphide, use of, 

 against Aphids and Coccids, 

 365. 



Potassium Sulphide (Liver of 

 Sulphur), spraying with, against 

 Hclopeltis theivora, 375 ; against 

 mites, 205, 431. 



-Potassium Sulphocarbonate, effect 

 of, on vine moths, 457 ; experi- 

 ments with, against underground 

 insects, 465. 



Potato (Solanum. tuberosum), 

 ineasures against PMIiorimaea 

 operculella on, in S. Africa, 331 ; 

 pests of, in Assam, 492 ; pests 

 of, in Britain. 209, 356, 386, 387, 

 542 ; pests intercepted on, in 

 California, 62, 199, 361, 427; 

 pests of, in Canada, 25, 43, 171, 

 302, 305, 325, 337 ; prohibition 

 against importation of, from 

 California into Canada, 13 ; 

 Dorylus orientalis on, in Ceylon. 

 374 ; legislation against PMJiori- 

 maea operculella on, in Cyprus, 

 70,88,534; pests of, in Denmark, 

 446, 449 ; measures against 

 pests of, in Fiji, 312; PWiori- 

 maea operculella in, in France, 

 486 ; Oaleruca tanaceti on, in 

 Germany, 1 95 ; pests of, in 

 Hawaii, 196, 413; pests of, in 

 Holland, 124, 431 ; pests of, in 

 India, 72, 73 ; Epilachna on, in 

 Dutch E. Indies. 388, 508; 

 pests of, in Italy. 157 ; pests of, 

 in Jamaica, 58, 479, 502; Bhizo- 

 glyphus echinopus on, in Japan, 

 440 ; Epilachna niponica on, in 

 Korea, 155 ; pests of, in Norway, 



■ 540 ; outbreak of Phthorimaea 

 operculella on, in Sicily, 426 ; 



measures against pests of, in 



U.S.A.. 8, lb, 147, 148, 189, 222, 



224, 232, 277, 278, 334, 338, 340, 



342, 380, 418, 427, 493, 510, 525 ; 



Nysius vinitor on, in Victoria, 



199; use of, in baits for wire- 

 worms, etc., 171, 294, 432. 

 Potato, Sweet (see Sweet Potato). 

 Potato Aphis (see Macrosiphum 



solanifolii). 

 Potato Beetle, Colorado (see 



Leptinotarsa deceml ineata) . 

 Potato Flea-beetle (see Epitrix 



cucumeris). 

 Potato Leaf-hopper (see Empoasca 



mali). 

 Potato Stalk Borer (see Gortyna 



micacea). 

 Potato Tuber Moth {^ee Phthorimaea 



operculella). 

 praefectata, Xanthorhoe. 

 praemorsus, Leptostylus. 

 praetiosa, Bryobia. 

 Praon. parasite of Phorodon humuli 



in U.S.A., 175. 

 Praon volucre, probably infested 



with Isaria arachnophila in 



Britain, 143. 

 prasina, Belionoia. 

 prasinus, Dicyphus. 

 Praslin Islands, scale-insects not 



controlled by Empusa lecanii in, 



483. 

 praiensis, Bryobia (see B. praetiosa) ; 



Lyda ; Lygus. 

 praticola, Anthaxia. 

 pratti, Aplestomorpha. 

 Prays oleellus (Olive Moth), in 



Italy, 455. 

 Prenolepis, intercepted on tree fern 



in California, 427 ; associated 



with Pseudococcus on peanuts in 



Porto Rico, 516. 

 Prenolepis imparis, associated with 



Phorodon humuli in U.S.A., 175. 

 Prenolepis longicornis, intercepted 



in soil and packing in Hawaii, 



438. 

 pretiosum, Trichogramma (see 



T. minutum). 

 priapica, Macroeme. 

 Prickly Pear, problem of eradicat- 

 ing, in Australia, 481 ; (see 



Opuntia). 

 Prickly-pear Scale (see Diaspis 



echinocacti). 

 prima, Heteroscliema. 

 pritnulae, TaeniotJirips. 

 princeps, Dirphya (Nitocris). 

 Prionoxysttts robiniae (Black Locust 



Borer, Carpenter Worm), in 



shade-trees, etc., in U.S.A., 204, 



471, 477. 

 Prionus laticolUs, in poplar and 



black oak in U.S.A., 416. 



