704 



INDEX. 



Nyasaland, new species of Dacus 

 from, 502 ; new scales from, 500, 

 501. 



Nygmia phaeorrhoea (Euproctis cliry- 

 sorrlioea) (Brown-tail Moth), syno- 

 nymy of, 497 ; financial loss 

 caused by, in N. America, 343 ; 

 measures against importation of, 

 from Europe into America, 74 ; 

 control of, in Canada, 37, 230, 

 331, 343, 346 ; looislation against, 

 in Canada, 121, 194, 480 ; food- 

 plants of, in Italy, 180 ; in 

 orchards in Russia, 89, 91, 150, 

 152, 156, 249 ; on fruit in Spain, 

 138 ; bionomics and control of, 

 in U.S.A., 177, 217, 295, 308, 311, 

 384, 433, 466, 467, 474 ; imported 

 into U.S.A., 219, 258 ; effect of 

 wind on distribution of, 209, 



^Nymphaea, Wiopalosiphum nym- 

 phaeae luigrating to, in Russia 

 and U.S.A., 229, 409, 562, 



nymphaeae, Rhopalosiph kiii . 



nymphaeata, ^"^yniphnla (Hydro- 

 earn pa). 



NymphnJa depunctalis, on rice in 

 India, 316. 



Nymphida nymphaeata, on rice in 

 Italy, 44. 



Nyshts angnstaius (False Chinch 

 Bug), on celery in Floiida, 306. 



Nysius ericae (False Chinch Bug), 

 bionomics and control of, in 

 U.S.A., 145. 



Nysius ininutiis, on potatoes in 

 Arizona, 315. 



Nysius seneciovis, on vines in 

 Germany, 59. 



Nysius vinitor (Rutherglen Bug), on 

 prickly pear in Australia, 475 ; 

 bionomics and control of, in New 

 South AVales, 107. 



o. 



Oak (Quercus), pests of, in Britain, 

 163, 540 ; beetles infesting timber 

 of, in Europe, 280, 281 ; pests of, 

 in France, 235, 484 ; pests of, in 

 Germany, 33, 534 ; Cheimatobia 

 hrumata on, in Holland, 42 ; not 

 attacked by Aspidiotus perni- 

 ciosus in Illinois, 62 ; Nygmia 

 . phaeorrhoea [Evjtrociis chry- 

 sorrlioeo) on, in Italy, 180 ; 

 pests of, in Russia, 29 ; danger 

 of, to rose cultivation in Russia, 

 255 ; Tortrix viridana on, in 

 Spain, 373 ; pests of, in U.S.A., 

 64, 139, 179, 180, 259, 285, 287, 

 291, 308, 311, 323, 386, 403. 419, 

 434, 494, 507, 582. 



Oak, Bur (see Quercus macrocarpa). 



Oak, Coik (see Quercus suher). 



Oak, Red (see Quercus rubra). 



Oak, Valley (see Quercus loba,ta). 



Oak, White (see Quercus alba, ami 

 Q. lobata). 



Oak Lace -bug (see Corythuca ar- 

 cuata). 



Oak Twig-girdler (see Agrilus ar- 

 cuatus). 



Oats, pests of, in the British Isles, 

 362, 487, 515, 516 ; pests of, in 

 Canada, 260, 331 ; Phyllotreta 

 vittula on, in Europe, 172 ; pests 

 of, in Holland. 233, 234, 441 ; 

 pests of, in India, 558 ; not 

 attacked by Loxostege similalis in 

 Oklahoma, 397 ; pests of, in 

 Russia, 89, 302 ; pests of. in 

 U.S.A., 65, 77, 228, 284, 285, 411, 

 464 ; influence of, on distribution 

 of Lachnoste ma in. U.S.A., 64. 



obesus, Dendroctomis ; Itoplectis. 



obliqua, Allograpfa ; Diacrisia. 



Oblique-banded Leaf-roller (see Ca- 

 coecia rosaceana). 



obliteratellus, Dicdraea (see D. sac- 

 cliaralis). 



oblonga, Anomala. 



obovai us, Brevipalpus. 



Obrium brunneum, in conifers in 

 France, 470. 



obscura, Aspidiotus ; Campylochaeta. 



obscuratus, Coccidoxenus. 



obscuripes, Habrocytus. 



obscurus, Agriotes; Hylastinus; Para- 

 gus ; Bhabdocnemis ; Tenebrio. 



obsoleta, Heliothis (C'hloridea). 



obtectus, BrucMis (Acanthoscelides). 



obtusella, Acrobasis. 



occidentalis, Cephus ; Cyrtogaster ; 

 Euthrips ; Pogonortiyrmex ; Po- 

 lybia. 



occipitalis, Metopodontus. 



oeellana, Eucosma {Spilonota, Tme- 

 tocera). 



ocellatus, Heilipus ; Sphinx (Sme- 

 rinthus). 



ochracea, Gortyna (see G. flavago). 



ochraceus, Ptilocerus. 



ochreus, Sphenophorus. 



ochrogaster, Euxoa. 



Ochrovia laqopus, food-plant of 

 Dysdercus in the West Indies, 109, 

 581. 



Oeneria dispar (see Lymaniria). 



octoguttalis, ThUptoceras. 



octomaculata, Alypia. 



octosema, Naeoleia (Notarcha). 



oetospina, Atta (Acromyrmex). 



oculata, Chrysopa ; Hemaenasoidea . 



Ocypus olens, longevity of, 21. 



Odoiporus longicolUs {SpJienophorus 

 planipennis), probably on plan- 

 tains in Ceylon, 102 ; Chrysopila 

 ferruginosa predaceous on, in 

 Fiji, 53. 



