670 



INDEX. 



Billaea irrorata, parasite of Saperda 

 populnea in British Isles, 542. 



bilobatus, Odontaidaciis . 



bilohiis, Olenecaniptus . 



himaciilata, Argyrophylax ; Melis- 

 sodes ; Oherea ; Sturmia. 



bimaculatus, Molorchns ; Tetra- 

 nychiis. 



Binia bicolor var. femoralis, on 

 Eucalyptus spp. in Western Aus- 

 tralia, 629. 



binotalis, Crocidoloniia. 



Bioclimatic Law, determination of 

 zones for application of. 24. 



bioculatus, Tetranychiis. 



Biological Methods, for controlling 

 plant pests, 67, 128, 129. (See 

 Parasitism.) 



biorbis, Micracis. 



Biorrhiza pallida, on oak in Czecho- 

 Slovalda, 486. 



bipartitns, Epactiothynnus. 



biplaga, Earias. 



bipunctata, Adalia ; Andraca; Ardis. 



bipunctatus, Calocoris (see C. nor- 

 vegicus) ; Nephotetiix ; Scymnus. 



bipunctifer, Schoenobius (see S. in- 

 certellus) . 



bipustidatiis, Chilocovus. 



Birch {Betula), pests of, in Britain, 

 351, 541 ; pests of, in Canada, 

 321, 420, 578 ; Liparis monacha 

 on, in Czecho- Slovakia, 264 ; 

 pests of, in France, 271 ; Agrilus 

 anxiiis in, in New Jersey, 538 ; 

 pests of, in Sweden, 65, 66, 149. 



Birch Borer (see Agrilus anxius). 



Birch Leaf Skeletoniser (see Buccu- 

 latrix canadensisella) . 



Bird's-foot Trefoil (see Lotos cornicu- 

 latus) . 



Birds, and spread of Phenacoccus 

 hirsntus in Eg^'pt, 520 ; destroy- 

 ing noxious insects, 10, 12, 13, 39, 

 40, 51, 53, 54, 78, 112, 123, 152, 

 154, 164, 179, 190, 200, 235, 236, 

 242, 257, 261, 269, 272, 286, 291, 

 300, 307, 321, 340, 360, 371, 411, 

 428, 429, 441, 444, 456, 462, 476, 

 488, 492, 493, 499, 501, 502, 504, 

 508, 521, 549, 569, 587, 594, 608, 

 615,624,625,631,632; protection 

 and economic importance of, 10, 

 235, 242, 257, 343, 444, 456, 502, 

 504, 632. 



binnanicum, Aristobia. 



biroi, Trigona. 



Biscuits, pests of, in Britain, 107. 



biselliella, Tineola. 



bisinuata, Acrocevcops. 



bispinosuni, Sinoxylon. 



bispinosiis, Dolichodenis ; Oryctes. 



Biston bengaliaria, on tea estates in 

 India, 378. 



Biston supressaria, on tea estates in 

 India, 378. 



Bitter Sweet (see Celastriis scandens) . 



biverrucatiis, Scymnus. 



bivittatus, Melanoplus. 



bivulnerus, Chilocoriis. 



Bixa, Heliothrips rubrocinctus on, in 

 Surinam, 280. 



Bixa orellana, Heliothrips rubro- 

 cinctus on, in Surinam, 280. 



Black Bean Apliis (see Apliis rumi- 

 cis). 



Blaclc Cherry Aphis (see Myzus 

 cerasi) . 



Black Citrus Aphis (see Toxoptera 

 aurantii). 



Black Coconut Beetle (see Oryctes 

 rhinoceros) . 



Black Coffee Borer (see Apaie 

 monacha) . 



Black Currant ]\Iite (see Eriophyes 

 ribis) . 



Black Fig Fly (see Lonchaea aristella) . 



Black Haw (see Bumelia lanuginosa) . 



Black Leaf 40, against Apliids, 131, 

 133, 286, 420, 512 ; against 

 Coccids, 494 ; against Lepidop- 

 tera, 76, 131, 535 ; against midges, 

 72, 311, 337; against Psylla 

 pyricola, 211 ; against various 

 Rhynchota, 131, 133, 169, 197, 

 532 ; against sawfiies, 317 ; and 

 oil emulsion, against Taeniothrips 

 inconseqitens, 214 ; dusting with, 

 131, 133, 169; formulae contain- 

 ing, 72, 131, 133, 197, 211, 214, 

 287, 311; and Bordeaux mixture, 

 420, 532 ; and lead arsenate, 131, 

 286,512; and lime, 131, 133,211; 

 and lime-sulphur, 133, 211, 287; 

 and soap. 76, 133, 197, 311 ; and 

 sulphur, 131, 169. (See Nicotine 

 Sulphate.) 



Black Leaf Resinate, in formulae 

 for spraying against Monarthro- 

 palpus buxi, 72, 337. 



Black Locust Tree (see Robinia 

 pseudacacia) . 



Black Oak (see Quercus velutina). 



Black Peach Aphis (see Anuraphis 

 persicae-niger) . 



Black Pine Beetle (see Hylastes ater) . 



Black Scale (see Saissetia oleae). 



Black Scale, Round (see Chrysom- 

 phalus rossi). 



Black Spot Disease, dusting with 

 copper-arsenic against, in Nova 

 Scotia, 199. 



Black Sugar-cane Aphis (see Aphis 

 setariae). 



