INDEX. 



723 



Herse convolvuli on, in Queens- 

 land, 157 ; pests of, in U.S.A., 

 22, 95, 137. 191, 235, 248, 382; 

 pests intercepted on, in U.S.A., 

 49, 306, 307, 508 ; quarantine 

 against introduction of Cylas 

 for)nicnrius on, into Virginia, 

 385 ; pests of, in West Indies, 51, 

 53, 71, 236, 296. 

 Sweet Potato Army ^^'ornl (see 



Scotogramma trifolii). 

 Sweet Potato Caterpillar (see 

 Prodenia ornithogalli and Pro- 

 toparce cingiilata). 

 Sweet Potato Root Borer (see Cylas 

 fovinicariiis). 



Sweet Potato Weevil (see Cylas 

 formicarius). 



Swietenia macrophylla, food-plant of 

 Hvpsipyla robusta, 165. 



Sivietenia niahagoni, food-plant of 

 Hvpsipyla robusta, 165. 



Switzerland, new ant found in, 

 488; forest pests in, 201, 254, 

 470 ; miscellaneous pests in, 23, 

 37, 400 ; outbreaks of Pieris in, 

 82, 269 ; measures against vine 

 moths in, 326, 348, 400 ; cultiva- 

 tion of pyrethrum in, 375 ; import- 

 ance of protection of birds in, 

 252. 



Syagvius fulvitarsis (Australian Fern 

 Weevil), measures against, in 

 Hawaii, 191, 375, 430 ; legislation 

 against, in Hawaii, 320 ; scarcity 

 of, in Queensland, 526. 



svcophanta, Calosoma. 



Sylepta derogata, on cotton in West 

 Africa, 474. 



Svlepta multilinealis, on cotton in 

 ' Ceylon, 520. 



Sylvius, Microterys. 



Sympherobius angustus (Brown 

 Lacewing), predaceous on 



Ehrhornia cupressi in California, 

 394. 



Sympherobius barberi, predaceous 

 on mealy-bugs in California, 318. 



Sympherobius californicus, predace- 

 ous on mealv-bugs in California, 

 318. 



Sympiesis dolichogaster, parasite of 

 Gracilaria in Florida, 219. 



Synanthedon rutilans (see Aegeria). 



Synedrella nodiflora, food-plant of 

 Tetranychus telarius in Dutch 

 East Indies, 454. 



Svneta albida, on pears in U.S.A., 

 '415. 



Syringa, food-plant of Otiorrhyn- 

 chus rotundatus in Germany, 271. 



Syrphidae, bionomics of ApHid- 

 (3202) 



destroying species of, in Canada, 



258. 

 Syrphus americanus, predaceous on 



Aphids in North America, 9, 



259, 501. 

 Syrphus opinaior, predaceous on 



Aphis cuscutae in Utah, 8. 

 Syrphus ribesii, predaceous on 



Aphids in Canada, 259. 

 Svrphus torvus, predaceous on Aphids 



in Canada, 258. 

 Syrphus vitripennis, predaceous on 



Eriosoma lanigerum in Britain, 



59. 

 Syrup, in baits, 129, 188, 236. 

 Systates, experiments with baits for, 



on maize in Southern Rhodesia, 



322. 

 Systoechus cienopterus, destroying 



locusts in Italy, 485. 

 Systoechus oreas (see Anastoechus). 



T. 



tabaci, Thrips [Heliothrips). 



tabanifornie , Paranthrene. 



Tabidia aculealis, on sweet potato 



in Ceylon, 521. 

 tabidus, Trachelus. 

 Tachardia, notice of key to South 



African species of, 117, 118; 



intercepted in California, 388. 

 Tachardia affluens, sp. n., on 



Eiiclea in South Africa, 117. 

 Tachardia karroo, sp. n., on Elytro- 



pappits rhinocerotis in South 



Africa, 117. 

 Tachardia lacca (Lac Insect), 



cultivation of, in India, 229. 

 Tachardia minor, sp. n., on Elytro- 



pappus rhinocerotis in South 



Africa, 117. 

 tachardiaformis, Ceroplastes. 

 Tachina fera, parasite of Nygmia 



phaeorrhoea in Russia, 105. 

 Tachina glabrata, probably parasitic 



on Panolis flammea in Holland, 



226. 

 Tachvnomvia, parasitic on Lamelli- 



corn larvae in Australia, 211. 

 Tachyptilia populella, on Populus 



tremula in Germany, 515. 

 taeniata, Ricania. 

 Taeniocampa stabilis, parasitised by 



Rhogas circumscriptus in Britain, 



331. 

 taeniopus, Chlorops. 

 Taeniothrips inconsequens (Pear 



Thrips), in Canada, 2, 322. 



