IXDEX. 



/Ic 



in I^ussia, 1(»5, 107 ; vacuum 



fumigation against, 507. 

 Silver, resistant to liquid liydro- 



cyanic acid, 9 1 . 

 Silver Fir (see Abies pectinata). 

 silvestrii, Centrobia ; Galesiis. 

 Silvestrina, Adelgimyza closely re- 

 sembling, 160. 

 Simaethis (see Heinerophila). 

 similis, Centrobia ; Chermes ; Eu- 



proctis (PortJiesia) (see Arctornis 



chrysorrhoea) ; Lachmis ; Psa>}i- 



tnodes. 

 Simodactylusci7i}iai}W}neits, measures 



against, on sugar-cane in Fiji, 26 ; 



on sugar-cane in Hawaii, 461, 526. 

 simplex, Aittographa falcigera ; 



Ceroplastes qitadrilineatus ; Chilo ; 



Chionaspis ; Dendroctoniis ; Gono- 



cephalum ; Lissorhoptrus ; Pyro- 



derces. 

 Sinapis alba, food-plant of Meli- 



gethes in Germany, 542. 

 Sinapis arvensis, food-plant of 



Meligethes in Germany, 542. 

 sinensis, Ceroplastes. 

 Singapore, studies on rhinoceros 



beetles on coconuts in, 275. 

 singularis, Sahlbergclla. 

 sinica, Dictyophora. 

 Sinoxylon basilare, in Robinia 



pseiidacacia in U.S.A., 516. 

 Sinoxylon conigerum, parasitised b}^ 



ScleroderiJiits itnmigrans in Hawaii, 



436. 

 Sinoxylon declive (see Xylopertha). 

 Sinoxylon Tnuricatmn (see 5. per- 



forans). 

 Sinoxylon pcrforans, natural enemies 



of, in vines in France, 434. 

 Sinoxylon ruficorne, damaging lead 



cables in South Africa, 81. 

 Sinoxylon sexdentatiiui, parasites of, 



on vines in France, 433, 434. 

 sinuata, Phyllotreta ; Xylopertha. 

 sinuatus, Agrilus. 

 Sipha, Antheroides compared with, 



146. 

 Sipha flava (Yellow Sugar-cane 



Aphis), on sugar-cane in U.S.A., 



79 ; relation of, to mottling 



disease of sugar-cane in Porto 



Rico, 483. 

 Sipha rnaidis, on maize, Trilobiella 



siphae predaceous on, in Itaty,160. 

 Sipha paradoxa, possibly a synonym 



of Antheroides serriilatus, 146. 

 siphae, Trilobiella. 

 Siphanta galeata (Torpedo Bug), on 



citrus in Queensland, 156. 

 Siphocoryne brassicae (see Brevi- 



coryne). 



Siphocoryne xylostei, on Lonicera in 

 Britain. 58. 



Siphona cristata, parasite of Tipiila 

 gigantea, 523. 



Siphona geniciilata (see Bucentes). 



Siphonaphis maidis, on maize in 

 India, 55. 



Siphonaphis nymphaeae, on water- 

 hyacinth in India, 55. 



Siphonaphis {RhopalosipJnim) padi 

 (.4phis avenae) (Grain, Oat or 

 Apple-bud Aphis), on Primus 

 padtis in Britain, 58 ; in Ontario, 

 35 ; bionomics and control of, on 

 apple in U.S.A.. 30, 45, 116; 

 Rhopalosiphitni priinifoliae erro- 

 neously recorded as, in U.S.A.. 

 116; synonymy of, 16, 19, 116. 



Siphonophora achyrantcs, identical 

 with Myzus persicae, 8. 



Siphonophora rosac (see Macrcsi- 

 pJmm). 



Sirex, in fir in Bavaria, 332. 



Sirex abbotii, in Larix laricina in 

 U.S.A., 127. 



Sirex californiciis (Horn-tail Wasp), 

 in cypress in California, 394. 



Sirex gigas, boring in tin and steel in 

 Austria, 81 ; damaging lead in 

 France, 81 ; in silver fir, parasi- 

 tised bv Rhyssa persiiasoria in 

 Ireland, 57. 



Sirex jiwencus, in conifers in New 

 Zealand, 63 ; damaging lead, 81. 



siro, Tyroglyphtts. 



siskiyouana, Rhyacionia (Evetria). 



Sisymbrium, food-plant of Ceuthor- 

 rhvnchus pulvinatus in Austria, 

 290 ; Euxoa segetum experimen- 

 tally fed on, in Germany, 27 1 . 



Sisymbrium sophia, food-plant of 

 Ceiithorrhvnchns pulvinatus in 

 Austria, 290. 



Sisymbrium strictissimum, pests of, 

 in Austria, 290. 



Sitodiplosis (Thecodiplosis) mosel- 

 lana (Wheat Gall Midge), on 

 wheat in Germany, 358 ; in 

 Ontario, 2. 



Sitodrepa panicea, measures against, 

 in stored foodstuffs in Germanv, 

 425, 426 ; in flour in Russia, 105 ; 

 intercepted in U.S.A., 49, 338. 



Sitona (see Sitones) . 



Sitones, on peas and beans in 

 Britain, 351 ; experiments with 

 hydrocyanic-acid gas against, in 

 Germanv, 426 ; on clover in 

 Michigan, 188. 



Sitones hispidulus, associated with 

 Tylenchiis dipsaci on clover in 

 U.S.A., 80. 



