746 



INDEX. 



Spinach Carrion Beetle (see Silpha 

 bituberosa). 



spinarum, Athalia (see A. colibri). 



spinator, Phryneta. 



Spined Soldier Bug (see Podisus 

 spinosus). 



sp inicollis, A qrianome. 



spinicorn is, Hoplocerambyx. 



spinitarsns, Sycophago: 



spinolae, Lygus. 



spinosa, Akis. 



spmosus, Aspidiotus ; Podisus. 



spimtlosus, Phloeophthorus (Phthoro- 

 phloeus. 



Spiny Black-fly of Citrus (see 

 A leurocanthus woglmtii). 



Spiny Boll Worm (see Earias 

 insulana). 



Spiny Citrus Whitefly (see AUitro- 

 canthus ivoglumi). 



Spiraea, Pseudococcus- intercepted 

 on, in California, 182; little 

 injured by Aspidiotus perniciosus 

 in Illinois, 62. 



spiraeoides, Aleurodes. 



spirifex, Tnrsonemns. 



splendana, Cydia. 



splendens, Ghrysoplatycerus ; Bhyo- 

 them is. 



splendida, Lonchaea. 



splendoriferella, Coptodisca (Aspi- 

 disca). 



Spodoptera matmtia, parasitised by 

 Tricolyga sorbillans in India, 126 ; 

 on sugar-cane in Philippines, 437; 

 bionomics and control of, on 

 rice in Ceylon, 500. 



Spondias latea (Hog Plum), pests 

 of, in West Indies, 109, 331. 



Spongostylum delila, parasite of 

 Xylocopa orpifex in U.S.A., 139. 



Hporotriclmm globidiferum, infest- 

 ing Hypera variabilis in Utah, 17 ; 

 experiments with, against cacao 

 thrips in Grenada, 268 ; infesting 

 Haltica in France, 341. 



Sporotrichum lecanii, infesting Leca- 

 niids on vines, 376. 



Spotted Cutworm (see Agrotis 

 c -nigrum). 



Spraying Calendars, 249, 326, 367. 



Sprays, result of combining, 343 ; 

 notes on machinery for, 382; ex- 

 periments with, 509 ; legislation 

 dealing with the purity of materials 

 for, in U.S.A., 220, 384, 480; (see 

 under the various Insecticides). 



spretus, Melanoplus. 



Springtail (see Achoreutes armatwm). 



Spruce (Picea), pests of, in Canada, 

 331, 332, 549, 551 ; pests of, in 

 France, 484 ; Scolytids in, in 

 Manchuria, 355 ; pests of, in 

 Russia, 512, 513 ; pests of, in 

 U.S.A., 167, 310, 424, 493, 526. 



Spruce, Blue, pests of, in U.S.A., 

 228, 424. 



Spruce, Engelmann (see Picea cngel- 

 manni). 



Spruce, Norway (see Picea excelsa). 



Spruce, Hemlock (see Tsuga Jietero- 

 phylla). 



Spruce, Sitka (see Picea sitchensis). 



Spruce, White (see Picea alba). 



Spruce Bud -worm (see Tortrixfumi- 

 ferana). 



Spruce Gall Aphis (see Ghermes 

 abietis). 



Spruce Sawfly (see Diprion abietis). 



Spruce Scale (see Physokermes 

 piceae). 



Spurge (see Euphorbia). 



squamulatus, Pseudleptomastix. 



Square-necked Grain Beetle (see 

 Gathartus gemellatus). 



Squash, Dacus cucurbitae on, in 

 Hawaii, 448 ; pests of, in U.S.A., 

 210, 307, 310, 529; as a trap- 

 crop for Diaphania, 306, 385. 



Squash Bug (see Anasa tristis). 



Squirrels, destroying grasshoppers 

 in S. Dakota, 382. 



stabulans, Muscina. 



Stachys, Myzus migrating from 

 Bibes to, in U.S.A., 408. 



Starch, and lead arsenate against 

 Laphygvia frugiperda, 168 ; as an 

 adhesive in spray against Tetrany- 

 cMis telarins, 244 ; in winter cover- 

 washes, experiments with, 360. 



Starlings, destro3'ing insects, 198, 

 294, 481, 482 ; economic value 

 of, in France, 354. 



Stauronotus (see Dociostaurus). 



Stauroptis fagi, on walnuts in 

 France, 351. 



stebbingi, Monophlebus. 



Steel-blue Grape-vine Flea-beetle 

 (see Haltica carinata). 



Stellaria, Brachycolus stellariae on 

 in Britain, 236. 



stellariae, Brachycolus. 



stellata, Acantholyda. 



stellella, Mompha. 



stellifera, Vinsonia. 



Stenobothrus, bionomics of, in 

 Russia, 92, 



Stenobothrus alb&marginatus, in 

 Russia, 27. 



Stenobothrus curtipennis (see Ghor- 

 thippus). 



Stenobothrus nigromaculatus, in 

 Russia, 27. 



Stenobracon maculata, parasite of 

 Schoenobius incertellus in the 

 Far East, 575. 



Stenocranus agamopsyche, on sugar- 

 cane in Philippines, 313. 



Stenocranus pacificus, on grasses in 

 Philippines, 313. 



