INDEX. 



707 



Opuntia (Prickly Pear), list of 

 insects infestino', 474. 



Opuntia wonocantha, destroyed by 

 Dacti/lopius confnsus indicus ''in 

 S. Africa, 546. 



Opimtia tiionocantha, destroyed by 

 iJaclylopius confusus indicus in 

 S. Africa, 546. 



Orange (Citrus aurantium), pests of, 

 in E. Africa and Uganda, 118, 

 359, 456 ; Argyroploce batrachopa 

 on, in S. Africa, 256 ; Lecanium- 

 on, in W. Africa, 165 ; pests of, 

 in Algeria, 40, 350 ; formnla for 

 fumigating with hydrocyanic acid 

 in Argentina, 193 ; control of 

 pests of, in Australia, 107, 108, 

 319, 366, 469 ; pests of, in Brazil, 

 232 ; pests interce])ted on, in 

 California, 106, 146, 182, 229, 

 266, 267, 423, 474 ; Aphis aitrantii 

 on, in Coloiuhia, 80 ; jjests of, in 

 France, 350, 536 ; fruit fly 

 imported on, in Br. Guiana, 169 ; 

 Dacus diver sus on, in India, 3 ; 

 pests of, in the West Indies, 392, 

 559 ; pests of, in Italy. 337 ; 

 Coccus viridis on. in Java, 276, 

 Chrysomphnliis dicfi/osjienui on, 

 in Sxmin, 248, 279 ; Ceratitis 

 atpildid on, in Tunis, 279 ; pests 

 of, in r.S.A., 6, 10, 11, 176, 434 ; 

 in poison-bait for Grijllus assimilis, 

 103. 



Orange ^^now Scale (see Chionaspis 

 citri). 



Orange Tea Mite (see Brevipalpus 

 oboraius). 



orbonalis, Leihcinodes. 



Orchard Grass (see Dactyl is glotne- 

 rata). 



orchidearunt, Isosoma^ (Eurytomd). 



Orchids, pests of, in Britain, 67, 

 361, 540 ; Isosoma. orchidearuni. 

 on, in Br. Columbia, 120; pests 

 of, in New Jersey, 140 ; pests 

 intercepted on, in Hawaii, 2, 147, 

 491, 535, 580 ; Pkysothrips xa^- 

 thius on, in Trinidad, 502 ; jjests 

 imported into U.S.A. on, 12, 146, 

 182, 219, 220, 229, 230, 267, 474, 

 580. 



Orchis, Kalothrips j^ii^'t'ora on, in 

 British Isles, 68. 



orehivora, Acythopetis {Baridius). 



Orcus janthinus, predaceous on 

 Coccus mridis in Java, 276. 



Oregma lanigera, on sugar-cane in 

 Philippines, 437. 



Oregma loranthi, association of, 

 with Dolichoderus bituberculatus 

 in Java, 572. 



Oregon, Aphelinus lapisligni, para- 

 site of Aphis bakeri in, 268 ; , 

 control of Cacoecia argyrospila in. 



221, 222 ; clover pests in, 325, 

 421 ; miscellaneous pests in, 167; 

 list of Scolytids of, 527, 582 ; 

 vegetable pests in, 387 ; pests 

 from, intercepted in California, 

 12, 146. • 



regon ens is , Tetranyeh us . 



oreinum, Tetropium.. 



Orgilus laeriventris, parasite of 

 Elastnopalpus lignosellus in Flo- 

 rida, 578. 



Orgyia antiqua, imported into 

 U.S.A. from Europe, 219, 258. 



Orgi/ia postica, on tea in CeyloUj 

 52, 497. 



Orgyia pudibunda (see Dasychira). 



Orgyia vetusta (Quince Moth), food- 

 plants of, in Br. E. Africa, 111, 

 359. 



Or id musculosa, bionomics of, on 

 ceicals in Russia, 28, 29, 156, 

 296. 



orich(dcea, Phytometra (Plusia). 



orientalis, Anomala ; Blatta ; Mono- 

 lepta ; Vespo. 



Oriole, importance of protection 

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



orrnerodis, Aphelenchus. 



ornithogalli, Proden ia. 



Oroxylon. new scale on, in Gold 

 Coast, 457. 



Orj>hilHS, in Russia, 24. 



or pi f ex, Xylocopa. 



ortas, Syrphus. 



Orthacanthacris ( Acridium ) aegyp - 

 tius, food-plants of, in Turkestan, 

 253. 



Orthetruni, albistyla, predaceous on 

 Schoenobius incertellus in the 

 Far East, 575. 



Orthezia insignis (Lantana Bug), 

 bionomics and control of in Br. 

 Guiana, 170 ; on chrysanthe- 

 mums, etc., in Jamaica, 431 ; in 

 plant-houses at Kew, 539 ; on 

 citrus in Montserrat, 330 ; experi- 

 ments with nicotine sulphate 

 against, 22. 



Orthezia praelonga, on sugar-cane 

 in Br. Guiana, 149. 



Orthizema airiceps, parasite of Chry- 

 sopa rufdabris in U.S.A., 243. 



orthogonia, Porosagrotis. 



orthopustulata, Hyperaspis. 



Orthotylus marginalis, bionomics and 

 control of, in Britain, 290. 



oi'tniansi, Exocentrus. 



ortygia, Neocollyris bonelli. 



Oryctes, longevity of, 20 ; Scolia 

 erratica predaceous on, in the 

 Far East, 291. 



Oryctes monoceros (Coconut Beetle), 

 control of, on coconuts in E. 

 Africa,. 110; on coconuts in 

 Ceylon, 499. 



