772 



INDEX. 



O^icopera niitocera, on grasses in 



Queensland, 195. 

 Oncosperma horrida, new Coccid on, 



in Malaya, 42. 

 One-striped Plant Bug (see Rhopali- 



niorpJia obscura) . 

 Onion, 373 ; Hylemyia antiqua on 

 in Britain, 50, 382, 526 ; pests of 

 in Canada, 125, 131, 163, 229, 564 

 577, 612 ; Tylenchus dipsaci on 

 in Czecho-Slovakia, 290 ; Hylem- 

 yia antiqua on, in Denmark, 62 

 Eumerus strigatus in, in Europe 

 313; Thrips tabaci on, in Iowa, 191. 

 458 ; Rhizoglyphus echinopiis on, in 

 New Zealand, 468 ; Hylemyia 

 antiqua on, in Russia, 454 ; a 

 food-plant of Porosagrotis ortho- 

 gonia, 112. 

 Onion Fly (see Hylemyia antiqua). 



Onion Fly, Lunate (see Eumerus 

 strigatus) . 



Onion Mite (see Rhizoglyphus echi- 

 nopus) . 



Onion Tlirips (see Thrips tabaci). 



Oniscus asellus, measures against, 

 on mushrooms in Britain, 49. 



Onites phartopiis, introduced into 

 Hawaii against Lyperosia, 519. 



onobrychidis, Contartnia. 



Ontario, beneficial insects in, 417, 

 482 ; miscellaneous pests in, 

 417-421, 611 ; Pyrausta nubilalis 

 in, 171, 211, 320, 385, 480, 482 ; 

 Cryptorrhynchus lapathi probably 

 introduced into Quebec from 

 578. 



Onthophagus, introduced into Hawaii 

 against Lyperosia, 519. 



onusta, Macronoctua. 



oophagus, Tumidiscapus . 



Ootetrastichus beatus, effect of nico- 

 tine sulphate on, 30. 



Ootetrastichus formosanus, effect of 

 nicotine sulphate on, 30. 



opaca, Blitophaga [Silpha) ; Eleodes ; 

 Ricanoptera. 



opaciventris, Epactiothynnus . 



Opadia funebrana (see Cydia). 



opalescens, Aegeria {Sanninoidea). 



Opatrum {Gonocephalum), on to- 

 bacco in Java, 108. 



Opatrum sabulosum, on vines in 

 France, 267. 



operculella, Phthorimaea {Gelechia). 



Operophthera brumata (see Cheima- 

 tobia). 



Ophideres (see Othreis). 



Ophiusa melicerta (see Achaea 

 Janata) . 



ophtusac, Microplitis ; Tetrastichus. 



Ophonoides australis, predacious on 

 Laphygma exempta in Oueensland, 

 57. 

 Ophthalmothrips, gen. n., in Aus- 

 tralia, 29. 

 opifex, Crossotarsus. 

 Opisthuria clandestina var. dorsalis, 

 on peas and beans in Louisiana, 

 192. 

 Opius africanus var. orientalis, para- 

 site of Dacus oleae, 252. 

 Opius concolor, parasite of Dacus 

 oleae in Tunis, 525 ; introduction 

 of, into France, 270, 525. 

 Opius dacicida, parasite of Dacus 



oleae, 252. 

 Opius fie tcheri, utihsation of, against 



Dacus cucurbitae in Hawaii, 513. 

 Opius hiiinilis, utilisation of, against 



Ceratitis capitata in Hawaii, 513. 

 Opius nitidulator, parasite of Peg- 

 omyia hyoscyami in Germany, 

 569. 

 Opius tryoni, parasite of Dacus 

 tryoni, distribution of, in Queens- 

 land, 416, 478. 

 Opogona, a minor sugar-cane pest 



in Porto Rico, 97. 

 Opossum, destroying Allorrhina 



nitida in North Carolina, 164. 

 Opuntia, unidentified Lepidopteron 

 on, in Argentina, 509. (see Prickly 

 Pear.) 

 Opuntia coccinellifera, Dactylopius 



coccus on, in Mexico, 204. 

 Opuntia sulphurea, unidentified 



Syrphid on, in Argentina, 509. 

 Orange, Apate boring in, m South 

 Africa, 322 ; Ceratitis capitata on, 

 in Algeria, 174 ; pests of, in 

 Argentina, 509, 547 ; Toxoptera 

 aurantii on, in Brazil, 614 ; new 

 Coccid on, in Ceylon, 541 ; Coccids 

 on, in Cyprus, 1 ; Coccids on, in 

 Egypt, 1, 450 ; Othreis fullonica 

 on, m Fiji, 593 ; Coccids on, in 

 France, 270 ; pests intercepted on, 

 in Hawaii, 277, 476, 632 ; pests of, 

 in India, 151, 360, 525 ; Chrysom- 

 phalus dictyospermi on, in Italy, 

 518 ; Chrysomphalus aurantii in- 

 tercepted on, in New Zealand, 

 468 ; pests of, in U.S.A., 120, 198, 

 333, 355, 365 ; pests intercepted 

 on, in U.S.A., 89, 90, 197, 250, 

 251, 328, 357, 358, 471, 472; 

 pests of, in Uruguay, 225, 226 ; 

 pests of, in West Indies, 289, 297, 

 494. 

 Orange, Osage (see Madura). 

 Orange, Satsuma, new scale insect 

 on, in Mississippi, 197. 



