750 



INDEX. 



Syntomaspis dniparum (Apple-seed 



Chalcid), on apples and hawthorn 



in Nova Scotia, 344 ; bionomics 



and control of, in U.S.A., 122. 

 Syntomaspis puhescens, bionomics 



of, on apples in Crimea, 157. 

 Syntomosphyrutyi indictim, 505 ; 



parasite of Ceratitis capitata in 



Tunis, 280. 

 Syria, Tylenchiilus semipenetrans in, 



40. 

 syrphi, Pachyneuron. 

 Syrphidae, of economic importance 



in California, 12 ; of Japan, 290 ; 



of Maine, 190; parasites of, in 



U.S.A., 243. 

 syrphidis, Keocatolaccus. 

 Syrphoctonus, parasite of Syrphids 



in California, 13. 

 SyrphopJiagus mesograptae, parasite 



of Syrphids in U.S.A., 243. 

 Syrphus, predaceous on Aphids in 



Turkestan, 565. 

 Syrphus americanus, predaceous on 



Aphids in Canada and U.S.A., 



13, 131, 191, 333. 

 Syrph'ns arcuatus, predaceous on 



Aphis malifoliae in California, 13. 

 Syrphus nitens, predaceous on 



Aphids and other insect pests in 



Maine, 191. 

 Syrphus opinator, predaceous on 



Aphids in California, 13. 

 Syrjyhns ortas, parasite of Xanihor- 



hoe praefectata in New Zealand, 



453. 

 Syrphus pauxillus, predaceous on 



Pemiihigiis betae in U.S.A., 18. 

 SyrpMis ribesii, predaceous on 



Aphids and other insect pests in 



Canada and U.S.A., 13, 191, 333. 

 Syrphus torl•^(.s, predaceous on 



Aphids and other insect pests in 



Canada and U.S.A., 13, 191, 333. 

 Syrphus xanthostomus, predaceous 



on Aphids and other insect pests 



in Maine, 191. 

 Sy states maynei, sp. n., on cacao in 



Belgian Congo, 504. 

 Systates ramosus sp. n., on cacao in 



Belgian Congo, 504. 

 Systellogaster ovivora, gen. et sp. n., 



parasite of Blatia orientalis in 



Illinois, 405. 

 Systena. hasalis, on vegetables in 



Porto Rico, 227, 312. 

 Systena frontalis (Red-headed Flea- 

 beetle), food-plants of, in Canada, 



332. 

 Systoechus (see Anastoechus). 



T. 



tabaci, Aleurodes ; Macrosiphum ; 

 Thrips. 



Tabernaeniontana, new scale on, 

 in Gold Coast, 457. 



Tachardia bodkini, sp. n., on Sapium 

 jenniani in Br. Guiana, 501. 



Tachardia lacca, producing lac in 

 Indo-China, 79. 



Tachina clisiocampae, parasite of 

 Hemerocampa leucostigma in 

 U.S.A., 309. 



Tachina mella, parasite of Hemero- 

 campa leucostigma in U.S.A., 309. 



Tachina rustica, parasite of saw- 

 flies in Denmark, 485. 



tachinae, Exipteromalus. 



Tachinids, new species of, 311. 



Tachinophyto variabilis, parasite of 

 Desmia funeralis in U.S.A., 67. 



Tachycines asynamorus, in European 

 greenhouses, 317. 



Taeniocampa incerta (Clouded Drab 

 Moth), control of, on fruit in 

 Britain, 349. 



Taeniocampa instabilis (see T. in- 

 certa). 



Taeniocampa ptilverulenta, parasi- 

 tised by Panzeria minor in Den- 

 mark, 485. 



taeniola, Zicca. 



Taeniothrips inconsequens ipyri) 

 (Pear Thrips), bionomics and con- 

 trol of, in Canada and U.S.A., 

 68, 70, 117, 120, 164, 332, 333. 



Taeniotlirips primulae, food-jjlants 

 of, in Britain, 68. 



Taeniothrips pyri (see T. inconse- 

 quens). 



Tahiti, pests from, intercepted in 

 California, 12, 106, 474, 580; 

 Ehahdocnemis obscurus probably 

 introduced from, into Hawaii, 53. 



Tamarack Sawfiy, failure to intro- 

 duce parasite of, into U.S.A., 

 460. 



Tamarind, Galandra intercepted on, 

 in California, 146 ; food-plant of 

 Lachnosterna guanicana in Porto 

 Rico, 559. 



Tamarix (Tamarisk), Piezodarus 

 lituratus on, in Britain, 163 ; 

 Macrotoma palmata on, in Egvpt, 

 293. 



Tamarix articulata, Eriophyes tlaiae 

 forming galls on, in Morocco, 

 191, 291. 



Tanglefoot, use of, against insect 

 pests, 16, 174, 176, 194, 218, 224, 

 230, 308, 366, 422 ; not injurious 

 to trees, 223 ; inettective against 

 Cyllene robiniae, 398 ; ineffective 

 against Pissodes strobi, 114. 



Tannia, Oxyligyrus zoilus on, in 

 Br. Guiana, 170. 



Tannin, in galls formed by Eriophyes 

 on Tamarix articulata in Morocco, 

 191, 291. 



