742 



TXDEX. 



silaeeaUs, Botys (see Pyrausia nu- 

 bilalis). 



silhetana, Terias. 



Silk, destroyed by Dermestes cada- 

 verimis in New York, 1 0. 



Silkworms, not parasitised by Tri 

 chogramma in the Crimea, 156; 

 effect of bacilli on, in France, 134, 

 161, 162 ; experiments with cal- 

 cium salts in relation to nutritiom 

 of, in Italy, 78 ; in Madagascar, 

 78 ; infested with muscardine 

 fungus in Russia, 453 ; resistance 

 of hybrids of, to disease, 317; 

 effect of quassiin on, 542 ; (see 

 Bombyx mori and Sericulture). 



Silpha atrata, on beet in Austria- 

 Hungary, 375. 



Silpha hituberosa (Spinach Carrion 

 Beetle), bionomics and control of, 

 in U.S.A., 210. 



Silpha opaca, on mangel in Ireland, 

 487. 



Silpha reticulata, on beet in Austria- 

 Hungary, 375. 



Silphium perfoliatum, food-plant 

 of insect pests in Minnesota, 463. 



Silvanus surinamensis (Saw-tooth 

 Grain Beetle), measures against, 

 in stored cereals in Georgia, 482 ; 

 infesting stored grain in Russia, 

 157, 299, 510. 



Silver Fir (see Abies picea). 



Silver-leaf Mite (see Phyllocoptes 

 schlectendali). 



Silver Poplar (see Populus hybrida). 



silvestrii, Aphelvnus ; Diversinervus ; 

 Galesus. 



Simaethis (see Hemerophila). 



Simaruba amara, quassia prepared 

 from, 541. 



Simaruba versicolor, quassia pre- 

 pared from, 541. 



similalis, Phlyetaenodes (Loxostege). 



similans, Pseudococctis (Dactylo- 



simile, Diprion. 



similis, Eriophyes ; Porthesia (see 

 Arctornis chrysorrhoea). 



Simodactylus, introduced into Ha- 

 waii against Rhabdocnemis ob- 

 scurus, 53. 



Simodactylus cinnamon exis, biono- 

 mics of, on sugar-cane in Fiji, 

 182. 



simplex, Chilo ; I>endrocionu,s ; Don- 

 acia ; Leucopis ; Phytometra ; 

 Pyroderces ; Syneta. 



Simplicia marginata, on coconuts 

 in Dutch E. Indies, 418. 



simplicia, Pundaluoya (see Pere- 

 grinus maidis). 



simplicis, Apanteles. 



Sinapis arvensis, Aphis erysimi on, 

 in Russia, 562. 



sinensis, Ceroplastes ; Perl- ins iella. 

 Singapore, Coccophagus acanthos- 



celes parasite of Lecanium in, 4 ; 



search for parasites of Dae us cu- 



curbitae in, 2. 

 singularis, Sahlbergella. 

 Sinoxylon basilaris (see Xylobiops). 

 Sinuate Pear Borer (see Agrilus 



sinuatus). 

 siniiatus, Agrilus. 

 Sipha, on Graminaceae in Italy, 



335. 

 Sipha flava, on sugar-cane in Porto 



Rico, 227. 

 Siphocoryne, Francoa compared 



with, 334. 

 Siphocoryne aquatica, sp. n., on 



Catabrosa aquatica in U.S.A., 104. 

 Siphocoryne avenae (see Aphis). 

 Siphonophora citi-ifolii (see Macro- 



siphum). 

 Sir ex, parasitised by BJiyssa per- 



suasoi'ia in France, 484. 

 Sirex gigas, boring in l«ad in France, 



137. 

 siro, Tyroglyphus. 

 sishiyouana, Rhyacionia. 

 Sisyphus schaejferi, longevitv of, 20, 



21. 

 Sisyropa, parasite of Hemerocampa 



leucostigma in U.S.A., 309. 

 Sitka Spruce (Picea sitchensis), 



pests of, in Canada, 332. 

 Sitka Spruce Bark-beetle (see Den- 



droctonus obesus). 

 Sitka Spruce GaU Aphis (see 



Gherm,es cooleyi). 

 Sitka Spruce Green Aphis (see 



Aphis abietina). 

 Sitobium cerealis (see Macrosiphum 



granarium). 

 Sitodrepa panicea, control of, in 



stored flour and grain in Crimea, 



157. 

 Sitones, on lucerne etc., in Russia, 



152, 303. 

 Sitones apacheana, in Washington, 



223. 

 Sitones flavescens, on lucerne in 



U.S.A., 72. 

 Sitones hispidulus (Clover-root Cur- 



culio), on lucerne etc. in Canada 



and U.S.A., 72, 421. 

 Sitones lineatus, control of, on 



leguminous plants in Germany, 



94. 

 Sitotroga cerealella (Angoumois 



Grain-moth), control of, in flour 



and stored grain in Canada, 117 ; 



in maize in Germany, 159 ; 



control of, in stored products in 



Br, Guiana, 170; in stored 



wheat in India, 127; in wheat 



in Italy, 180 ; infesting stored 



grain in Russia, 253, 299, 455, 



