686 



INDEX. 



Charcoal, for reducing oxygen 

 content of air in fumigation, 619. 

 chardinyi, Eiixoa {AgroHs). 

 Chandryas nycieis, parasite of, in 



U.S.A., 403. 

 Charlock, insects on, in British Isles, 



241, 242, 285, 590. 

 /chartifex, Azteca. 

 Chayotes, Coccids intercepted on, 



in California, 47 1 . 

 Cheese Skipper (see Piophila casei). 

 Cheesecloth, for protecting mush- 

 room beds against insect pests, 

 48. 

 Cheilosia, notice of key to New 



Zealand species of, 126. 

 Cheimatohia, measures against, in 



orchards in France, 268. 

 Cheimatobia boreata, food-plants of, 

 in Denmark, 61, 62, 464; 

 measures against, 464. 

 Cheimatobia brmnata (Winter Moth), 

 in orchards in Algeria, 34 ; in 

 Bessarabia, 208 ; in Britain, 366, 

 382 ; food-plants of, in Denmark, 

 61, 62, 464 ; in France, 205, 266 ; 

 in Germany, 19, 253, 293, 599 ; 

 in Flolland, 67, 345 ; in Hungary, 

 5; in Russia, 117; in Switzer- 

 land, 146 ; bionomics of, 253 ; 

 measures against, 19, 34, 253. 464. 

 Chelidonium cinctiini, in Ciinis in 



Mysore, 40. 

 Chelidoniiwi tuajits, Aleiirodes pro- 



letella on, in Britain, 73. 

 Chelifer cancroides (Book-scorpion), 

 relation of, to bees in British 

 Isles, 448, 491 ; in Africa, 491. 

 Chelifer scidpturahis, possibly in 



beehives in Africa, 491. 

 Chelinidea, introduced into Aus- 

 tralia to destroy prickly pear, 416. 

 Chelomis, parasite of Spodoptera 



maiiriiia in India, 154. 

 Chelomis sidcatus, parasite of 

 Rhyacionia buoliana in France, 54. 

 Chemotropism, in Diptera, etc., 613. 

 Chenopodiuni, Aphids on, in Ger- 

 many, 505. 

 Chenopodiuni album (Lamb's Quar- 

 ters), pests of, in Canada, 139, 

 418 ; destruction of, against 

 Cassida ncbidosa in Switzerland, 

 467. 

 Chermcs, on fir in British Isles, 382, 

 476 ; notice of keys to British 

 species of, 605 ; intercepted on 

 pine trees in Hawaii, 85 ; on 

 Abies spp. in Sweden, 64. 

 Chermcs abieiis (Spruce Gall Aphis), 

 in Connecticut, 333 ; on Picea 

 spp. in Sweden, 64. 



Chermes coolevi, in America, 605 ; 



on Douglas fir in Britain, 382, 476. 



605; bionomics and control of, 605. 

 Chermes rmsslini, on silver fir in 



Britain, 605 ; on conifers in 



Sweden, 64 ; C. piceae said to be 



a form of, 143. 

 Chermcs pectinatae, probably on 



Abies sibirica in Sweden, 64. 

 Chermes piceae (Silver Fir Bark 



Louse), on Abies spp. in Sweden, 



64 ; bionomics and control of, in 



Switzerland, 143 ; said to be a 



form of C. niisslini, 143. 

 Chermes pini, bionomics of, on Pinus 



spp. in Holland, 508 ; on conifers 



in Sweden, 64. 

 Chermes strobi, in Czecho-Slovakia, 



486 ; on Pinus strobus in Sweden, 

 64 ; on Pinus strobus in Switzer- 

 land, 556. 



Cherry, Xyleborus saxeseni in, in 

 Britain, 562 ; pests of, in Canada, 

 420, 563 ; Nygniia phaeorrhoea 

 seldom on, in Caucasus, 118; 

 pests of, in Czecho-Slovakia, 486, 



487 ; pests of, in Denmark, 62, 

 627; pests of, in France, 111, 

 266, 272, 537 ; Eriocampoides 

 limacina on, in New Zealand, 467 ; 

 Piezodorus incarnatus on, in Sicily, 

 602 ; Xyleborus dispar in, in 

 Sweden, 66 ; pests of, in U.S.A., 

 103, 333, 356, 379, 394 ; notice 

 of spray calendars for, in U.S.A., 

 327, 599 ; pests intercepted on, 

 in U.S.A., 380 ; factors influenc- 

 ing injury to foliage of, by 

 arsenicals, 469. 



Cherry, Choke, Agrilus vittaticollis 

 in, in New Jersey, 538. 



Cherry Aphis, Black (see Myzus 

 cerasi) . 



Cherry Fruit-fly (see Rhagoletis 

 cingidata) . 



Cherry Fruit Sav/fly (see Hoplocampa 

 cookei). 



Cherry Slug (see Eriocampoides 

 limacina) . 



Chestnut, pests of, in British Isles, 

 51, 562 ; Nygmia phaeorrhoea on, 

 in France, 111 ; pests of, in 

 U.S.A., 338, 538 ; weevils inter- 

 cepted in, in Hawaii, 446 ; pests 

 intercepted in, in California, 250, 

 357, 358, 472. 



Chestnut Borer, Two-lined (see 

 Agrilus bilineatus). 



Cheyletus eruditiis, in flour in 

 Bohemia, 14. 



Chicken Weevil (see Sphenophorus 

 ludoviciamis) . 



