INDEX. 



633 



Agrilus ohsoletogiittatus, on beech 

 and oak in North America, 5 1 . 



Agrilus occipitalis, on orange and 

 lemon in PhiUppines, 515. 



Agrilus politus (Oak Twig-girdler), 

 in North America, 51. 



Agrilus ruftcollis (Red-necked Cane 

 Borer), on raspberries in Wis- 

 consin, 373. 



Agrilus sinuatus (Sinuate Pear 

 Borer), in North America, 51, 

 290 ; measures against, 290. 



Agrilus viridis (Rose Stem-girdler), 

 bionomics of, in U.S.A., 434. 



Agrilus viridis var. fagi, on roses 

 in North America, 51. 



Agrion, injurious to pisciculture in 

 Russia, 555. 



Agriophara levis, sp. n., on Euca- 

 Ivptus siderophloia in Queensland, 

 502. 



Agriotes (Wireworms), on beet in 

 North Africa, 158 ; not a serious 

 pest of flax in Ireland, 446 ; in 

 Russia, 329 ; toxicity of organic 

 compounds to, 320. 



Agriotes lineatus, in Denmark, 194, 

 364 ; measures against, in Ger- 

 many, 258, 387, 592 ; experi- 

 ments with baits for, in Russia, 

 347. 



Agriotes mancus, destroyed by star- 

 lings in U.S.A., 305. 



Agriotes obsciirus, in Prussia, 258 ; 

 experiments with baits for, in 

 Russia, 347. 



Agromyza, on cowpeas in Barbados, 

 322 ; on rye and oats in Russia, 

 328. 



Agromyza ahiens (Artichoke Fly), 

 decrease of, in France in 1918, 

 23. 



Agromyza phaseoli, on Phaseolus 

 lunatus in Dutch East Indies, 

 508 ; food-plants of, in Mauritius, 

 559. 



Agromyza sojac, Glycine soja little 

 injured by, in Dutch East Indies, 

 507. 



Agroperina, effect of meteorological 

 conditions on, in U.S.A., 437. 



agropyri, Isosoma (see Harmolita 

 hordei). 



Agropyron, Harmolita hordei on, in 

 Central Europe, 93. 



Agropyron repens, pests of, in 

 Russia, 328. 



Agropyron stnithi (Blue-joint Grass), 

 parasites of Porosagrotis ortho- 

 gonia ovipositing on, in Alberta, 

 488. 

 .agropyrus, Gonatopus. 



(6630) 



Agrotis, in Ceylon, 10, 123 ; on 

 vegetables in France, 23 ; Carabus 

 aurattis predacious on, in Ger- 

 many, 258 ; on vines in Switzer- 

 land, 545 ; effect of meteoro- 

 logical conditions on, in U.S.A., 

 437 ; measures against, 23, 123. 



Agrotis baja, on Atropa in Germany, 

 277. 



Agrotis c-nigrum, in Bulgaria, 496, 

 498 ; in Minnesota, 438. 



Agrotis exclamationis (see Feltia). 



Agrotis fennica (Erratic Army 

 Worm), in Alberta, 13 ; in Michi- 

 gan, 336. 



Agrotis flatnmatr a, on gram in India, 

 211. 



Agrotis nigricans (see Euxoa). 



Agrotis obscura (see A. ravida). 



Agrotis ravida, in Bulgaria, 497. 



Agrotis saucia (see Lycophotia 

 niargaritosa) . 



Agrotis segetum (see Euxoa). 



Agrotis tritici (see Euxoa). 



Agrotis ypsilon (Greasy Cutworm), 

 in Bulgaria, 496 ; on vegetables 

 in Canada, 161 ; food-plants of, 

 in Chile, ■ 425 ; on poppy in 

 Formosa, 6 ; bionomics and con- 

 trol of, in India, 76, 211, 522, 538, 

 558 ; bionomics of, in U.S.A., 

 50, 438. 



Agrypnus, predacious on Polyocha- 

 in Queensland, 371. 



Ailanthus glandulosa, Saturnia cyn- 

 thia on, in Italy, 536. 



ainsliei, Pyrausta. 



Aira caespitosa, Aphids on, in 

 Britain, 382. 



Alabama, dusting experiments 

 against Anthonomus grandis in, 

 373 ; financial loss due to Cal- 

 andra oryzae in, 374 ; declared 

 to be free from Cylas formicarius, 

 112; bionomics and control of 

 Epilachna corrupta in, 33, 103, 

 1 18, 374 ; Laphygma frugiperda 

 in, 375 ; Lepidosaphes beckii inter- 

 cepted in California on oranges 

 from, 265. 

 Alabama argillacea (Cotton Worm), 

 measures against, on coffee and 

 cotton in Brazil, 142 ; in Canada, 

 83, 132 ; life-cycle of, in Mexico, 

 233, 269 ; effect of, on cotton 

 yield in U.S.A., 118, 238; 

 measures against, in West Indies, 

 322, 383, 413, 428, 429, 456. 463, 

 560 ; probably invading West 

 Indies from South America, 586. 

 alacris, Trioza. 

 Alaska, notes on Capsidae of, 240. 



