730 



INDEX. 



Pyridine, compulsory addition of, 



to arsenicals in France, 47. 

 pyriformis, Pulvinaria. 

 PyriUa aherrans (Sugar-cane Leaf- 

 hopper), bionomics and control 



of. in India, 124, 55^- 558. 

 PyriUa perpunlht., bionomics of, in 



India, 556. 

 PyriUa pusana, bionomics of, in 



India, 55{). 

 pyrillae, Dryinus ; Ooencyrtus ; Tet- 



rasfichus. 

 Pyrilloxenos compactus, parasite of 



PyriUa aherja/ns in India, 557. 

 pyrina, Zetizera. 

 pyrioides, Stephanitis. 

 pyrisuga, Psylla. 

 pyrivora, Contarinia. 

 Pyroderces rileyi (Scavenger BoU 



Worm), mistaken for Pectino- 



phora gossypiella, 389. 

 Pyroderces simplex, on cotton in 



Brazil, 537. 

 pyrophagella, Oelechia (see Sito- 



trcga cerealella). 

 Pyrophorus, a beneficial insect in 



Jamaica, 431. 

 Pyrophorus luminosus, destroying 



white grubs in Porto Rico, 410, 



559. 

 Pyrox, for protecting plants from 



Chortophila fusciceps, 492. 

 Pyrrhopyge a/myclas (Guava Fire- 



tail Moth), on guava in Br. 



Guiana, 170. 

 pyrura, Campsom eris. 

 Pyrus OMCuparia (Mountain Ash), 



Aspidiotns perniciosiis on, in 



Illinois, 62. 

 Pyrus baccata, Syniomaspis dru- 



parum, on, in U.S.A., 122. 

 Pyrus communis (see Pear). 

 Pyrus mains (see Apple). 

 Pyrus pum ila paradisiaca, hibernat- 

 ing form of Eriosoma lanigeruvi 



on, 335. 

 pyste, Exorista. 



Q. 



quadraria, Thalassodes. 

 ' quadr icarinatus , O acton us . 

 quadricolle^ Cerylon. 

 quadridens, Pityogenes. 

 quadrifoveatus, Siraiegus. 

 quadrifoveoJata, Monotom a. 

 quadr igibbus, A nthonomus. 

 quadrilineatus, Cleonus ; Diaprepes 



ahbreviahis. 

 quadrimac^ilatus, Bruchus ; Pycno- 



deres. 

 quadrinotata, Arbela. 

 quadripes, Xylotrechus. 

 quadripilis, Seius. 



quadripunctalis, Pyrausta (Botys). 



quadr ipunctata, Ghrysopa. 



quadrixyustulata, Winihem ia. 



quadrispinosus, Scolytus. 



Quails, destroying insects, 198, 

 273 ; importance of protection 

 of, in U.S.A., 383. 



Quarantine, importance of, against 

 injurious insects in Brazil, 288 ; 

 pests intercepted in, in California, 

 106, 146, 182, 229, 266, 423, 474, 

 579 ; pests intercepted in, in 

 Hawaii, 2, 72, 147, 245, 294, 363, 

 491, 535, 580 ; against white 

 pine blister disease in Pennsyl- 

 vania, 336 ; weakness of system 

 of, in U.S.A., 218 ; (see Plant 

 Pest Legislation). 



Quassia, against Acidia hernclei, 

 349 ; against Aphids, 108, 252, 

 255, 357 ; effect of decoction of, 

 on Lepidoptera, 25 ; experiments 

 with, as a contact insecticide, 

 541 ; preparation of, 255, 541 ; 

 against Pteronus ribesii, 441 ; 

 ineffective against Eriosoma lani- 

 gerum, 395. 



Quassia amara (Surinam Qviassia), 

 quassia prepared from, 255, 

 541. 



Quassia surinamensis, effect of 

 decoction of, on Lepidoptera, 25. 



Quassia, Jamaica (see Aeschrion 

 e.rcelsa). 



Quassia, Surinam (see Quassia 

 amara). 



Quebec, Aphis malifoliae on apples 

 in. 50 ; miscellaneous pests of, 

 332, 333 ; control of Eriocam- 

 poides limacina on cherries in, 

 363. 



Queensland, Agromyca introduced 

 from Hawaii into, to destroy 

 lantana, 366 ; control of cut- 

 worms in, 240 ; miscellaneous 

 pests in, 36, 278, 366, 507 ; 

 bionomics and control of sugar- 

 cane pests in, 5, 54, 240, 292, 

 496 ; Paraphelinus australiensis 

 in, 502 ; Pseudococcus bromeliae 

 intercepted in Hawaii on pine- 

 apples from, 2 ; Rhabdocnernis 

 oSscttrMsprobably introduced into, 

 from New Guinea, 52. 



Quercus (see Oak). 



Quercus alba. (White Oak), Agrilus 

 arcuatus on, in L^.S.A., 461. 



Quercus chrysolepis, Xylococcus 

 quercus on, in U.S.A., 425. 



Quercus coecifera, PhyUorycter spp. 

 on, in N. Africa, 539. 



Quercus gerryana, Scolytid in, in 

 Oregon. 582. 



Qiiercus ilex, PhyUorycter spp. on. in 

 N. Africa, 539. 



