648 



INDEX. 



Oidium, protection of grapes from, 

 in France, 78 ; (see Mildew), 



Oil, experiments with, as trap for 

 Cetoniids, 395 ; against coconut 

 pests, 94 ; and lime, against 

 Eulecanium persicae, 301; against 

 locusts and grasshoppers in 

 France, 298, 490. 



Oil, Miscible, against orchard jjests, 

 179, 180, 265, 362, 406, 430, 513, 

 527. 



Oil Emulsion, against Coccids, 115, 

 271, 363 ; against Eriosoma lani- 

 gerum, 381 ; against Idioeerus 

 niveosparsus, 12 ; against Nysius 

 vinitor, 311 ; formulae for, 11, 

 26. 



Oil Palm (see Elaeis). 



Okra (see Hibiscus esculentus). 



oleae, Dacus ; Filippia (PMlippia) ; 

 Parlatoria ; Saissetia (Lecanium). 



oleaginum, Gycloconiuni. 



Oleander, Gossyparia ulmi on, in 

 Britain, 123 ; pests of, in Italy, 

 201 ; Aspidiotus hederae on, in 

 Jamaica, 420 ; pests of, in New 

 Jersey, 204. 



Oleander Scale (see Aspidiotus 

 hederae). 



Oleaster, Anarsia lineatella boring 

 in, in Astrachan, 327. 



oleastrella, Zelleria. 



oleiperda, Eylesinus. 



oleivorus, Eriophyes. 



oleracea, Haltica ; Folia (Mamestra) ; 

 Tipula. 



oleraceum, Eurydema. 



Olethreutes consanguinana on apples, 

 etc., in Canada, 118, 120, 370. 



Olethreutes frigidana (see 0. consan- 

 guinana). 



Olethreutes pruniana, on fruit-trees 

 in France, 490. 



Olethreutes variegana (see Argyro- 

 ploce). 



Oligomerus brunneus, parasitised by 

 Pediculoides ventricosus in Spain, 

 401. 



Oligosita americana, parasite of 

 Jassid bugs in America, 116. 



Oligosita giraulti, parasite of Toma- 

 spis saccharina in Trinidad, 

 29. 



Oligosita sanguinea var. claripes n., 

 secondary parasite of Asphondylia 

 m.iki in N. America, 116. 



Oligota oviformis, predaceous on 

 Tetranychus telarius in California, 

 113. 



Olive, Leperisinus californicus on, 

 in N. America, 384 ; pests inter- 

 cepted on, in California, 177, 236, 

 pests of, and their control in 

 Italy and Sicily, 51, 158, 206, 306, 

 402, 438 ; control of pests of, in 



Spain, 159 ; pests of, in U.S.A., 

 113, 318; Lepidosaphes inter- 

 cepted on, in Egypt, 231. 



Olive Fly (see Dacus oleae). 



Olive Oil, against Sparganothis pil- 

 leriana, 481. 



oliviae, Hemileuca. 



Olla abdominalis, predaceous on 

 Phorodon humuli in California, 113. 



Olynthoscelis satunini, sp. n., in 

 Caucasia, 379. 



Omiodes blackburni (see Nacoleia). 



O'inophlus, food-plants of, in Russia, 

 459. 



Omophlus lepturoides, on rye in 

 Russia, 103. 



Oncideres amputator, food-plants of, 

 in Brazil, 219. 



Oncideres cingtdatus, on pecan -nut 

 in America, 170. 



Oncideres dejeani, food-plants of, 

 in Brazil, 219. 



Oncideres gibbosa, food -plants of, in 

 Brazil, 219. 



Oncideres heterocera, food-plants of, 

 in Brazil, 219. 



Oncideres saga, food-plants of, in 

 Brazil, 219. 



Oncideres texana (Pecan Twig-gird- 

 ler), bionomics of, in U.S.A., 170, 

 191. 



Oncidium crispuw., Castnia therapon 

 on, in Brazil, 391. 



Oncidium papilio, Pulvinaria floe- 

 cifera on, in California, 363. 



Oncometopia lateralis, on cotton in 

 U.S.A., 407. 



Oncometopia undata, on cotton in 

 U.S.A., 407. 



Onion, Lachnosterna on, in Antigua, 

 153 ; pests of, in Astrachan, 327 ; 

 pests of, in Canada, 119, 336, 347, 

 516 ; Acrolepia assectella on, in 

 Italy, 202 ; pests of, in Russia, 

 103, 207 ; as trap-crop for Aporia 

 crataegi in Russia, 105, 203 ; pests 

 of, and their control in U.S.A., 

 176, 193; Laphygma exigtia on, 

 291 ; seeds of, destroyed by ants 

 in St. Vincent, 48. 



Onion Maggot Fly (see Hylemyia 

 antiqua). 



Onion Thrips (see Thrips tabaci). 



Oniscus asellus, food -plants of, in 

 Canada, 118. 



Ontario, miscellaneous insect pests 

 in, 51 7 ; Scolytus rugidosus spread- 

 ing fire-blight in, 27; legislation 

 against foul brood in bees in, 197. 



ontarionis, Baryodina. 



onusta, Macronoctua. 



00, Phytometra. 



Ooencyrtus lamborni, sp. n., parasite 

 of Belenois severina in Nyasaland, 

 129. 



