INDEX. 



757 



Oak, California Black (see Ouerciis 

 calif ornica). 



Oak, California Live (see Qitercus 

 agrifolia) . 



Oak, Canyon Live (see Qitercus 

 chrysolepis). 



Oak, Coast Live (see Qitercus 

 agrifolia). 



Oak, Evergreen, Amphibolips coc- 

 cinea forming galls on, in 

 Mexico, 367. 



Oak, Interior Live (see Qitercus 

 wislizeni) . 



Oak, Leather (see Quercus duraia). 



Oak, Mesa (see Qitercus eiigehtianni). 



Oak, Red, not attacked by 

 Stilpnotia salicis in U.S.A., 574. 



Oak, Scrub, pests of, in U.S.A., 52, 

 458. 



Oak, Tan (see Quercus densiflora). 



Oak, White, not attacked by 

 Stilpnotia salicis in U.S.A., 574. 



Oak Spinning IMite (see Tetranychits 

 carpini). 



Oak Twig-girdler (see Agrilus 

 politus) . 



Oak Twig-girdler, Pacific (see 

 Agrilus angelicus). 



Oat Aphis (see Siphonaphis padi) . 



Oat Eelworm (see Heterodera 

 schachtii). 



Oat Mite (see Tarsonemus spirifex). 



Oat Straw, restrictions on importa- 

 tion of, into Canada from U.S.A. 

 413. 



Oatmeal, Trigonogenius ghbuhtm 

 breeding in, 558. 



Oats, pests of, in South Africa, 331, 

 466 ; bionomics of Tarsonemus 

 spirifex on, in Austrian Silesia, 

 223 ; pests of, in Britain, 170, 

 446,487; Sidemia devastatrix on, 

 in Canada, 161 ; pests of, in 

 Denmark, 193, 362, 363 ; pests 

 of, in Finland, 386, 387 ; locusts 

 on, in France, 26 ; Bibio hortulanus 

 on, in Germany, 1 ; Tipitla simplex 

 on, in Mexico, 366 ; pests of, in 

 Russia, 328, 348 ; pests of, in 

 U.S.A., 82, 155, 221, 241, 435, 

 436, 444 ; substituted for wheat 

 bran in baits for grasshoppers, 296. 



Oats (Stored), pests of, in Panama 

 Canal Zone, 304. 



Oberea bimaculata (Raspberry Cane 

 Borer), bionomics and control of, 

 in U.S.A., 237, 570. 



Oberea tripiinctata, on blackberries 

 and raspberries in Wisconsin, 373. 



obesus, Dendroctoniis ; Xyleborus 

 [Anisandms). 



oblineatus, Lygus pratensis. 



obliqua, Diacrisia ; Erythroneura ; 



Saperda. 

 Oblique-banded Leaf-roller (see Tor- 



trix rosaceana). 

 obliteratus, Xyloterus. 

 Oblong Scale (see Eulecaniitm per- 



sicae). 

 oblongus, Phyllobius ; Thaptor. 

 obscura, Agrotis (see A. ravida) ; 



Rhabdocnemis {Sphenophorus) ; 



Silpha. 

 obscitrator, Orgiliis. 

 Obscure Scale (see Chrysomphalus 



obscunts). 

 obscurus, Agriotes ; Chrysomphalus ; 



Alulio. 

 obsoleta, Eleodes ; Heliothis {Chlo- 



ridea) . 

 obsoletoguttatus, Agrilus. 

 obtecta, Lepidosaphes. 

 obtectus, Britchus [Acanthoscelides, 



Bruchidius). 

 obtusa, Aonidia. 

 obiimbratalis, Pyrausta. 

 obvia, Achaea. 

 occidentalis, Cephus ; Euthrips ; 



Polybia ; Veronicella. 

 occiditus, Blissus. 

 occipitalis, Agrilus. 

 ocellana, Eucosma [Tmetocera) . 

 ocellatus, Cryptocephalus; Pristo- 



merus. 

 ochracea, Gortyna (see G.flavago). 

 ochriceps, Ceratitis. 

 ochrogaster, Euxoa. 

 ochroleitca, Eremobia [Hadena). 

 ■Ochsenheimeria taurella, on cereals 



in Russia, 348. 

 Ocnerostojiia piniariella, on Pinus 



ceinbra in Switzerland, 612. 

 ocskayi, Barbitistes. 

 octocola, Chrysobothris. 

 octogitttalis, Thliptoceras. 

 octoguttatus, Botys. 

 ocitlata, Mylabris ; Olla. 

 oculiperda, Thomasia (Diplosis). 

 Odina wodier, pests of, in India, 188, 



559. 

 odinae, Osphilia. 

 Odoiporus longicollis (Banana Borer), 



in Ceylon. 123, 615. 

 Odonaspis fistulata, sp. n., on Dis- 



tichlis spicata in Lower California, 



229. 

 Odonaspis litorosa, sp. n., on Rachi- 



dospermum mexicanion in Lower 



California, 229. 

 Odonestis pruni, in Bulgaria, 496. 

 Odontia, infesting sugar-cane in 



Trinidad, 262. 

 Odontocorynus salebrosus, on cotton 



in Florida. 236. 



