708 



INDEX. 



Oryctes nasicornis (Coconut Beetle), 

 longevity of, 21 ; legislation 

 regarding, in Samoa, 183, 186,187. 



Oryctes rhinoceros (Rhinoceros 

 Beetle), on coconuts in Ceylon, 

 326, 499; on teak in India, 439 ; 

 on coconuts, etc., in Dutch East 

 Indies, 54, 418, 443; on coco- 

 nuts in Malaya, 521. 



oryzae, Calanclra ; Latheticus ; 

 Paehydiplosis. 



OryzaepMlus surinamensis (see 

 Sylvanus). 



Osage Or&nge i Madura aurantiaca), 

 Aspidiotus perniciosus on, in 

 Illinois, 62 ; timber of, attacked 

 by Lyctus spp. in U.S.A., 434. 



Oscinella, on cereals in Russia, 89, 

 91. 



Oscinella coxendix, on cereals in 

 Canada, 333. 



Oscinella dorsaia, on maize in 

 Canada, 333. 



Oscinella frit (Frit Fly), bionomics 

 of, in JBritain, 515 ; on cereals 

 in Canada, 333 ; on cereals in 

 Russia, 152, 300. 



Oscinis frit (see Oscinella). 



osculatus, Microcryptus. 



Oscystelona escwlentum, Danais 

 plexippus on, in India, 126. 



Osiers, unrestricted use of arsenicals 

 on, in France, 47 ; (see Willow). 



Osmunda, Sciara tritici probably 

 introduced into Britain in fibre 

 of, 361. 



osseatella, Euzophera. 



ostensackenella, Phyllorycter (Litho- 

 colletis). 



ostentalis, AgatJiodes. 



ostreaeformis, Aspidiotus. 



ostreata, Pseudoparlatoria. 



Otidoeephalus carinieollis, parasi- 

 tised by Ptinobius texanus, sp. n., 

 in Texas, 163. 



OtiorrJiynchus cribricollis,in orchards 

 in Australia, 555 ; on fruit in 

 Spain, 138. 



OtiorrhyncJms ligustici, on lucerne, 

 etc., in Russia, 89, 199. 



OtiorrJiynchus ovatus (Strawberry- 

 root Weevil), bionomics and con- 

 trol of, in Canada and U.S.A., 

 120, 333, 413, 469, 579. 



Otiorrhynchus picipes, in orchards 

 in Ireland, 488. 



Otiorrhynchus sulcatus, food-plants 

 of, in Canada, 120, 332 ; biono- 

 mics and control of, in vineyards 

 in France, 40, 340, 341 ; control 

 of, on vines in Germany, 58 ; on 

 strawberries in Holland, 234 ; 

 on ferns in Ireland, 489. 



Otiorrhynchus turca, control of, on 

 vines in Russia, 195. 



otiosus, Opius. 



Ottawa, miscellaneous pests in, 547. 



Oudablis solani, infesting egg-plants 



in Ceylon, 102. 

 ovata, Chalcis ; Eriocampa. 

 ovatus, Otiorrhynchus. 

 ovijentatus, Anagrus. 

 ovipransus, Tetrastichus. 

 ovivora, SysteUogaster. 

 Owls, destroying grasshoppers in 



S. Dakota, 382. 

 Oxalic Acid, ineffective against 



Eriosoma laniger^im, 395. 

 Oxalis stricta, Tetranychus macdo- 



noughi on, in Florida, 167. 

 Oxidus gracilis (Hothouse Millipede), 



bionomics of, in U.S.A., 459. 

 Oxya velox, parasitised by Tumi- 



discapus oophagus in India, 531. 

 oxyacanthae, Myzus. 

 Oxycarenus hyalinipennis, on cotton 



in Egypt, 580. 

 Oxycarenus lectularis (Coon Bug), 



on prickly pear in Australia, 475. 

 Oxygrapha variegana, on fruit trees 



in the Crimea, 157. 

 Oxythyrea cinctella, in orchards in 



Russia, 303. 

 Oxythyrea elegans, on apples in 



East Africa, 111. 

 Oxythyrea. natalin, in orchards in 



Russia, 303. 

 Oyster- shell Scale (see Lepido- 



saphes ulnii). 



pahidinus, Lygihs. 



pabulorum, Muscina. 



Pachira aquatica, new scale on, in 



Br. Gruiana, 457. 

 Pachira insignis, new scale on, in 



Br. Guiana, 457. 

 Pachneus citri, sp. n., on citrus in 



Jamaica, 124, 430, 

 Pachneus m■arnlorat^lS, sp. n., on 



yams in Jamaica, 124. 

 Pachycrepoideus dubius, liberation 



of, against horn-flies in Hawaii, 



363. 

 Paehydiplosis oryzae, on rice in 



India, 124. 

 Pachydissus parvicollis , on Xylia 



dolabriformis in India, 439. 

 Pachymerus acaciae, control of, in 



stored ground-nuts in Senegal, 



339. 

 pachymerus, Podagrion. 

 Pachyneuron, parasite of Symphero- 



bins californicus in CaLLfomia, 



266. 

 Pachyneuron allograptae, parasite 



of 'Syrphids in U.S.A., 243. 

 Pachyneuron calif ornicum, sp. ii., 



in U.S.A., 431. 



