INDEX. 



577 



Black Fly of Citrus (see Aleurocan- 

 thus woglumi). 



Black Leaf 40, against Agromyza 

 laterelJa, 215 ; in sprays against 

 Aphids and Coccids, 25, 68, 222, 

 342, 362, 470, 531, 533 ; against 

 various other Rhyncliota, 44, 169, 

 173, 278, 306, 395, 418, 510; 

 and sulphur against Phlyctaenia 

 ferrugalis, 433 ; against termites, 

 205 ; Bordeaux mixture more 

 effective than, against Empoasca 

 mali, 395 ; and lead arsenate, 40, 

 169; (see Nicotine Sulphate). 



Black Locust Borer (see Prionoxy- 

 stus Tobiniae). 



Black Locust Tree (see Bobinia 

 pseudacacia). ■ 



Black Oak (see Quercus kelloggi 

 and Q. velutina). 



Black Peach Aphis (see Anuraphis 

 persicae-niger). 



Black Scale (see Clirysompliahis 

 rossi, Saissetia nigra and S. 

 oleae). 



Black Scale Fimgus (see Myrian- 

 gi'um duriaei). 



Black Rot of Crucifers, trans- 

 mitted by Phytometra, 528. 



Black Vine Weevil (see Otiorrhyn- 

 chus sulcatus). 



Black Walnut Caterpillar (see 

 Datana iniegerrima). 



Black Wattle (see Acacia mollis- 

 sima). 



Blackberry {Biibus fruticosus), pests 

 of, in Canada, 27, 338, 440; 

 pests of, in Denmark, 448 ; pests 

 of, in U.S.A., 5, 117, 201, 440. 



lilackberry Leaf-miner (see Fenusa 

 bethunei). 



Blackbirds, Syntomaspis druparuni 

 in seeds of Crataegus oxyacantha 

 eaten by, in Britain, 517 ; des- 

 troying insects in U.S.A., 22, 117. 



Blackhead Fireworm (see Mhopo- 

 bota vacciniana). 



iblaclcmani, Heterospilus. 



Blackthorn, insect pests on, in 

 France, 426, 462. 



JBlacus tuberculatus, parasite of 

 OtiorrliyncTius in Europe, 466. 



hlanchardi, Parlatoria. 



hlanda, Systena. 



bJandus, Apoderiis ; Myllocerus. 



Blaniulus guUulatus, in Denmark, 

 449 ; use of bait-traps for, in 

 Holland, 364. 



Blapstirms, food-plants of, in 

 California, 121. 



Blastobasis coccivorella, parasite of 

 Eennes in U.S.A., 263. 



Blastodacna atra, on apple in Den- 

 mark, 448 ; on apple in Norway, 

 540. 

 (672) 



Blastodacna puiripenella (see B. 

 atra). 



Blastophaga, new species of, infesting 

 Ficus in Costa Rica, 352. 



Blastothrix spp., parasitising Etilec- 

 anium capreae in Britain, 194. 



Blatta or ientalis, in "ii ova, Scotia, 391. 



Blattella germanica (see Pliyllo- 

 droniia). 



Blechrus glabratus, natural enemy 

 of Blissus leucopterus in U. S. A. , 35. 



Blennocampa geniculata, on straw- 

 berry in Denmark, 449. 



Blennocampa pusilla, on rose in 

 Holland, 124. 



Blepharipa scutellata, parasite of 

 Borthetria dispar in LT.S.A., 104. 



Blepharipeza, possible prevention 

 of outbreak of Malacosoma 

 disstria by liberation of, in Can- 

 ada, 301. 



blepliaripoda, Exorista. 



Blepyrus mexicanus, parasite of 

 Bseudococcus vir gains, 437. 



Blissus diplopterus (South African 

 Grain Bug), bionomics of, in S. 

 Africa, 246. 



Blissus leucopterus (Chinch Bug), 

 bionomics and control of, in 

 U.S.A., 34, 81, 102, 140, 148, 281, 

 355. 



Blister Beetles, in Iowa, 83 ; experi- 

 ments with insecticides against, 

 522 ; (see Epicauta). 



Blitophaga opaca, on beet in Den- 

 mark, 445, 446 ; on cereals, etc., 

 in Norway, 538, 540. 



Blue Aphis (see Aphis malifoliae). 



Blue Grass (see Poa pratensis). 



Blue Grass Bill-bug (see Spheno- 

 phorus parvulus). 



Blueberry, 186. 



Blueberry Flea-beetle (see Haltica 

 torquata). 



bocquilloni, Paradrymadusa. 



Bohemia, beet pests in, 353 ; biono- 

 mics of Parasetiqena segregata 

 in, 498, 499 ; Xyleborns xylo- 

 graphus in apple in, 499. 



bohor, Belippa. 



boisduvali, Diaspis ; Gerydus. 



Bollworm, Common (see Heliothis 

 obsoleta). 



Bollworm, Pink (see Pectinophora 

 gossypiella). 



Bollworm, Red (see Diparopsis 

 castanea). 



Bollworm, Spiny (see Earias 

 insulana). 



Bombax malabaricum (Red Cotton 

 Tree, Simul), Olenea spilota in, in 

 Assam, 292 ; food-plant of Dys- 

 dercus cingulatus in Ceylon, 520; 

 pests of, in India, 291, 292, 403, 

 404, 535. 



