700 



IXDEX. 



Pyraiista, on maize in Dutch East 

 Indies, 495 ; on pigeon peas in 

 Mauritius, 73. 



Pyrausta ainsliei, sp. n., in Canada, 

 373 ; bionomics of, in U.S.A., 

 1 16, 130, 28vS, 339, 450 ; liable to 

 be mistaken for P. nuhilalis, 130, 

 286, 373, 450. 



Pyyausta caffreii, sp. n., in Illinois, 

 450. 



Pyrausta nubilalis (European Corn 

 Borer), insects liable to be mis- 

 taken for, in North America, 32, 

 130, 286, 339, 373, 450; not 

 present in Canada, 373 ; measures 

 against introduction of, into 

 Canada, 343, 416; bionomics of, 

 in France, 39, 120 ; on sorghum 

 in Guam, 148 ; measures against, 

 in Russia, 102, 104 ; measures 

 against spread of, in U.S.A., 12, 

 33, 70, 91, 93, 97-99, 116, 158, 

 187, 190, 219, 235, 244, 247, 315, 

 334, 339, 343, 528; legislation 

 against, in U.S.A., 511. 



Pyrausta obunibratilis (see P. 

 uinsliei) . 



Pyrausta penitalis (Lotus Borer), 

 in Canada, 373 ; bionomics of, 

 in U.S.A., 14, 301, 450; liable 

 to be mistaken for P. nuhilalis, 

 32, 373, 450. 



pyrella, Swam merdamia . 



Pyrethrum (Insect Powder), and 

 soap, spraying with, against vine 

 moths, 281, 326, 348, 369, 375, 

 400; formulae for, 281. 375; 

 composition, properties and pre- 

 paration of, 362 ; cultivation of, 

 in Algeria, 281 ; suggested 

 cultivation of, in France, 375 ; 

 cultivation of, in Japan, 422; 

 (see Insect Powder). 



Pyrethrum cinerariaefoliuin (see 

 Chrysanthemum) . 



Pyrethrum roseum (see Chrys- 

 anthemum) . 



pyri, Aphis ; Eriophves ; Lachnus ; 

 Perrisia (Coniarinia) ; Psylla ; 

 Saturn i a ; Stephanitis {Tingis). 



pyricola, Psvlla. 



Pyridine, experiments with, as a 

 soil dressing against wireworms, 

 45 : experiments with, as a 

 substitute for lead arsenate, 155. 



Pyridine Sulphate, unsuitable 

 against thrips, 498. 



pyriformis, Pulvinaria. 



pyrina, Zeuzera. 



pyrisuga, Psylla. 



pyrivora, Coniarinia. 



Pyroderces rileyi (Pink Corn Worm), 



on castor-oil plant in Florida, 

 236 ; P. simplex not considered 

 di.stinct from, 535. 



Pyroderces simplex, on cotton in West 

 Africa, 474 ; not considered dis- 

 tinct from P. rileyi, 535. 



Pyrox, and nicotine sulphate, effect 

 of, on flea-beetles, 75. 



Pyrrhidium sangiiineiim , in oak in 

 Russia, 105. 



pyrrhoderiis, Xylotrechus. 



pyrrhorhynchus, Ceuthorrhynchus . 



Pyrus baccata, experimentally at- 

 tacked by Anthonomus pomorum 

 in Germany, 487. 



Pyrus communis , Parlatoria calian- 

 thina intercepted on, in U.S.A., 

 307; (see Pear). 



quadrata, Lachnosterna. 



quadridens , Pityogenes. 



quadridentatus, Ascogaster. 



qaadrifoveatus, Strategus. 



quadriguttatus, Enoclerus. 



quadrilineata, Eublemma. 



quadriniaculatus , Bruchus {Pachy- 

 merus) ; Sphenophorus. 



quadrinotata, Arbela. 



quadrinotatus, Typophorus canellus. 



quadripes, Xylotrechus. 



quadri punctata, Caradrina (see Athc- 

 tis clavipalpis). 



quadri pustulata, Winthemia. 



quadripustulatus, Exochomus. 



quadrisignatus, Enoclerus. 



quadrispinosus, Scolytus [Eccopto- 

 gaster) . 



Quail, destroying Xylomvges eri- 

 dania in Florida, 236. 



Quarantine, necessity of, against 

 introduction of insect pests into 

 Brazil, 292 ; against insect pests 

 in Canada, 168, 343, 528 ; neces- 

 sit)^ of, against introduction of 

 Pachymerus into Belgian Congo, 

 408 ; suggested against red ring 

 or root disease of coconut in 

 Grenada, 67; pests intercepted in, 

 in Hawaii, 22, 431, 460; pests 

 intercepted in, in Queensland, 157 ; 

 against insect pests in U.S.A., 10, 

 12, 70, 97, 98, 99, 181, 186, 191, 

 244, 293, 306, 308, 341, 343, 371, 

 385, 479 ; pests intercepted in 

 U.S.A., 13, 14, 49, 70, 114, 181. 

 236, 240, 247, 306, 319, 337, 365, 

 383, 387, 474, 479, 508. 



