680 



INDEX. 



Schizoneura panicola (see Anoecia 



querci). 

 Schizoneura ulmi (see Eriosoma). 

 schizoneurae, Aphidencyrtus {Eupel- 



mus). 

 ScMzoneurea, systematic position of, 



374. 

 Schizotetranychus {Tetranychus) my- 

 tilaspidis (Citrus Mite, Two- 

 spotted Mite), bionomics of, in 

 U.S.A., 273, 409. 

 Schizura concinna (Red-humped 

 Apple-tree Caterpillar), food- 

 plants of, in Br. Columbia, 25, 

 361 ; in U.S.A., 266. 

 sehlechtendali, Phyllocoptes. 

 schlichi, Xyleborus. 

 schoenherri, Blastothrix. 

 Schoenohius, light traps ineffective 



against, in India, 227. 

 Behoenobius bipunctifer, on rice in 



Java, 85. 

 Schreineria seuzerae, parasite of 



Zeuzera pyrina in Europe, 281. 

 schwarzi, Pissodes. 

 Sciadopitys verticillata (Umbrella 

 Pine), Lepidosaphes newsteadi im- 

 ported into U.S.A. on, 199, 236, 

 244, 364. 

 Sciaphilus asperatus, on raspberries 



in Russia, 214. 

 Sciaphobus squalidus, bionomics of, 

 in Russia, 142, 165, 166, 330, 332, 

 460. 

 Scirpophaga, on sugar-cane in India, 



227. 

 Scirpophaga auriflua (see S. xantho- 



gastrella). 

 Scirpophaga sericea, on rice in Java, 



85. 

 Scirpophaga xanthogasirella, on 



sugar-cane in India, 440. 

 Scirtothrips citri (Citrus Thrips), on 



citrus in Arizona, 317, 318. 

 scitella, Leucoptera (Cemiostoma). 

 scitula, Aegeria (Sesia) ; Eublemma 



(Coccidiphaga). 

 sciurinus, Adoretus. 

 Sclerocarya caff r a, Argyroploce leuco' 



treia on, in Rhodesia, 278. 

 seolopacea, Baris. 



ScleroUnia fructigena, spread in or- 

 chards by Conotrachelus nenuphar 

 in Br. Columbia, 27 ; experiments 

 with, on apples and peaches in 

 U.S.A., 71. 

 Scolytus deodara, in deodar in India, 



229. 

 Scolytus destructor, destroyed by 



woodpeckers in Britain, 24. 

 Scolytus fasciatus, in orchards in 



Turkestan, 209. 

 Scolytus major, in deodar in India, 

 229. 



Scolytus mali, control of, in orchards 



in Russia, 217. 

 Scolytus pruni, in fruit trees in 



Sweden, 354. 

 Scolytus pygmaeus, parasitised by 

 Gerocephala conigera in Russia, 

 143. 

 Scolytus quadrispinosus (Hickory 

 Bark-beetle), in U.S.A., 14, 75, 

 245, 446. 

 Scolytus rugulosus (Shot-hole Borer), 

 spreading fire -blight in Ontario, 

 27 ; in Russia, 330, 332 ; on 

 fruit trees in Sweden, 354 ; on 

 fruit trees in U.S.A., 262, 354. 

 scrophulariae, Anthrenus. 

 Scopelosoma, on apples in Nova 



Scotia, 371. 

 Sco])elosoma tristigmata (see Con- 



istra). 

 Scotch Pine (see Pinus sylvestris). 

 Scotland (see British Isles). 

 Scotogramma trifolii, 509 ; on to- 

 matoes in Astrachan, 327 ; food- 

 plants of, in Russia, 292, 294. 

 scripta, Melasoma (Lina). 

 scriptus, Brachycolus. 

 scrupeus, Paracalocoris, 

 sculpturatus, Tetrastichus. 

 Scurfy Scale (see Chionaspis fur- 



fur a). 

 Scutare fimbriata (see Bhizococcus). 

 scutellaris, Aphelinus ; Eulophus ; 

 Orchestes (see Bhynchaenus testa- 

 ecus), 

 scutellata, Sphaerophoria. 

 Scutellista cyanea, parasite of scale- 

 insects, 408, 433, 492. 

 scutiformis, Chrysomphalus. 

 scutosa, Melicleptria {Heliothis). 

 Scymnophagus townsendi, parasite of 

 Scymnus guttulatus in California, 

 51. 

 Scymnus auritulus, predaceous on 



Aphids, 171. 

 Scymnus bipunctatus, predaceous on 

 mealy bugs in California, 112,270. 

 Scymnus coniferarum, predaceous on 

 Pseudococcus pint in California, 36. 

 Scymnus guittdatus, predaceous on 

 Pseudococcus aurilanatus in Cali- 

 fornia, 36, 51. 

 Scymnus marginicollis, in California, 



36. 

 Scymnus ochroderus, predaceous on 



Aphids in Barbados, 257. 

 Scymnus pictus, predaceous on 



Pseiidococcus in Trinidad, 30. 

 Scymnus sordidus, predaceous on 

 Pseudococcus spp. in California, 

 36, 51. 

 Seagulls, destroying jffeferoni/iB^icews 



in Australia, 253. 

 Sechium edtde, Aphids on, in Ceylon, 

 239. 



