INDEX. 



761 



Orseoliella graminis, sp. n., forming 

 galls on Andropogon squarrosiis 

 in India, 415. 

 Ortalia pallens, predacious on Phei- 

 dole punctulata in South Africa, 

 410. 



Oythacris aciiticeps, baits for, in 

 India, 581. 



Oythacyis ramakrishnai, baits for, in 

 India, 581. 



■ Orthezia caudata, sp. n., probably on 

 Encelia palmeri in Lower Cali- 

 fornia. 229. 



Orthezia insignis, on limes in 

 Dominica, 261 ; in greenhouses 

 in Germany, 95 ; bionomics of, 

 in India, 211; not suitable as 

 a check for Lantana, 212. 



•Orthezia praelonga, in Barbados, 

 323 ; on ornamental plants in 

 Panama Canal Zone, 304. 



Orthezia nrticae, food-plants of, in 

 Britain, 416; on nettles in 

 Germany, 591. 



Ortheziola vejdovskyi, in Britain, 416. 



Orthocraspeda trima, on tea in For- 

 mosa, 77 ; on oil palms in Java, 

 605. 



orthogonia, Porosagrotis. 



ortholobis, Chionaspis. 



Orthoptera, monograph on ovi- 

 position of, 208 ; of New England, 

 manual of, 287. 



Orthotomicus caelatus, Anthocoris 

 predacious on, in U.S.A., 356. 



Orthotomicus laricis (see Ips). 



Oryctes (Rhinoceros Beetle), on 

 coconut in Cochin China, 509. 



Oryctes boas, on oil palms in Belgian 

 Congo, 495. 



Oryctes centaurus, on coconut in 

 Dutch East Indies, 46. 



Oryctes elegans, on date palms in 

 Mesopotamia, 91. 



Oryctes inonoceros, on oil palms in 

 Belgian Congo, 495. 



Oryctes owariensis, on oil palms in 

 West Africa, 210. 



-Oryctes rhinoceros (Coconut Beetle, 

 Rhinoceros Beetle), on coconut 

 in Ceylon, 567 ; in Cochin China 

 and Cambodia, 107 ; on palms in 

 India, 53, 319, 426 ; bionomics 

 of, in Dutch East Indies, 45-49, 

 297, 299, 507, 508, 605 ; measures 

 against, on coconut in JNIalaya, 

 412, 453 ; on coconut in Phihp- 

 pines, 467 ; on coconut in Porto 

 Rico, 573 ; on coconut in Sey- 

 chelles, 275 ; associated with bud- 

 rot in coconuts, 108 ; measures 

 against, 45^9, 412, 567. 



.(6630) 



Oryctes tarandus, in Mauritius, 

 185, 511, 559; establishment of 



,Scolia orvctophaga against, 511. 

 Oryctes trituberculatiis, on palms in 



Dutch East Indies, 46, 47, 508, 



605. 

 oryctophaga, Scolia. 

 oryzae, Calandra {Sitophilus) ; Chile ; 



Tetraneiira ; Thrips ; Tylenchus. 

 osborni, Eutettix (see Euscelis stacto- 



galiis) . 

 Oscinara signicosta, food-plants' of, 



in East Africa, 433. 

 Oscinella frit (Frit Fly), on cereals 



and grasses in Britain, 170, 205. 



487, 533 ; in Denmark, 193, 194, 



362 ; in Russia, 327, 328. 348, 



557. 

 Oscinella pusilla, on cereals in 



Russia, 348. 

 Oscinis frit (see Oscinella). 

 Oscinis pratense (see Oscinosonia). 

 Oscinis theae, on tea in Ceylon, 319 ; 



on tea in Formosa, 77. 

 Oscinosonia pratense, on spruce in 



Bavaria, 608. 

 Osier (see Willow) . 

 Osier-twig Gall Midge (see Rhabdo- 



phaga saliciperda). 

 Osphilia odinae, sp. n., food-plants 



of, in India, 559. 

 ostreaeformis, A spidiotus. 

 ostreata, Pseudoparlaioria. 

 Othreis fullonica, in Gold Coast, 82. 

 Othreis serpentifera, on orange in 



INIexico, 286. 

 Otiorrhynchiis, on raspberries in 



Denmark, 363 ; on vines in 



Italy, 379. 

 Otiorrhynchus ligustici, on raspberry 



in Denmark, 194. 

 Otiorrhynchus meridionalis, meas- 

 ures against, on olive in Spain, 



278. 

 Otiorrhynchiis ovatus (Strawberrj^ 



Root W^eevil), bionomics of, and 



measures against, in British 



Columbia, 130 ; destroyed by 



starlings in U.S.A., 305. 

 Otiorrhynchus rugifrons (Straw- 

 berry Root Weevil), in California, 



188. 

 Otiorrhynchus siilcatus, in Britain, 



431 ; destroyed by starlings in 



U.S.A., 305. 

 ovata, Euperea. 

 ovatus, Otiorrhynchus. 

 ovivorax, Tetrastichus. 

 ovulum, Eusomus {Polydrosus). 

 owariensis, Oryctes. 

 Owls, destroying noxious insects in 



Australia, 13. 



