754 



INDEX. 



iheobroma, Sahlbergella. 



theohromae, Alcides ; Inglisia ; 

 Toxopiera (see T. coffeae). 



therapon., Castnia. 



Thereva, on rye in Silesia, 231. 



Theridiiim weyebergM, control of, 

 on lucerne in Argentina, 248. 



Thermesia (see Anticarsia). 



Therm ohia domestica, control of, on 

 stored ground-nuts in Senegal, 

 339. 



Thermotropism, in insects, 209. 



Theronia fulvescens, parasite of 

 Hemerocampxi leucostigma in 

 U.S.A., 309. 



Thespesia, new scale on, in Gold 

 Coast, 500. 



Thespesia populnea (John Bull 

 Tree), destruction of, against 

 cotton stainers in West Indies, 

 2, 393, 581. 



Thimbleberry (see Bubiis parvi- 

 floi'us). 



Thiodia artemisiana (see Eucosma). 



Thistle, Pseudococcus longispinus 

 on, in Australia, 162 ; a food- 

 plant of Acanihocephala femorata 

 in Florida, 307 ; insect pests on, 

 in Minnesota, 464. 



Thliptoceras octoguttalis (Coffee 

 Moth), on coffee in E. Africa, 111. 



Thoinasia caUforniensis, sp. n., on 

 Acer macrophylla in California, 

 180. 



thomsoni, Diprion (see D. rariega- 

 tuin). 



Thoracaphis fici, association of, 

 with Dolichoderus bituberciilatus 

 in Java, 572. 



Thorn Apple (see Datura tatula). 



Thosea cinervomarginata, on coconut 

 in Malaya, 521. 



thrax, Erionota. 



Thrips, on imported stock in Ari- 

 zona, 315 ; intercepted on azaleas 

 in California, 182 ; on chrysan- 

 themums in Br. Columbia, 120 ; 

 on cereals in Kussia, 303 ; con- 

 trol of, on cacao in Trinidad, 171 ; 

 on cotton in St. Vincent, 168 ; 

 on beans in New South Wales, 

 475 ; predaceous on other insects, 

 109, 141, 243, 282, 291, 549; 

 experiments with sprays for, 203 ; 

 new species of, 67, 68, 320, 502. 

 Thrips calcaraius, on Tilia vulgaris 



in Britain, 68. 

 Thrips niger, sp. n., on Sambucus 



nigra in Britain, 68. 

 Thrips nigropolosus, on wheat in 



Britain, 68. 

 Thrips tahaci (Onion Thrips), in 

 Canada, 548, 549 ; on onions in 

 West Indies, 109, 330, 394; 

 control of, in U.S.A., 186, 307, 



322, 530 ; control of, on potatoes- 



and fruit in New South AY ales, 



108. 

 Thrips, Bean (see Heliothrips 



fasciatus). 

 Thrips, Cacao (see HeUothrips- 



rubrocinctus). 

 Thrips, Onion (see Thrips tahaci). 

 Thrips, Pear (see Tcteniothrips incon- 



sequens). 

 Thrii)s, Sugar-beet (see Heliothrips 



femoralis). 

 Thrushes, destroying Lepiinotarsa 



decemlineata in Ohio, 371 ; im- 

 portance of protection of, in 



U.S.A., 383. 

 Thrynax, Bipersia palmarmn on, 



in Hawaii, 10. 

 Thuja, insects on, intercepted in 



Hawaii, 294 ; Phloeosinus thujae 



on, in Italy, 180 ; Lymantria 



dispar imported into U.S.A. on, 



from Japan, 219. 

 Thuja obtusa, Thyridopteryx ephe- 



meraeformis intercepted on, in 



California, 580. 

 thujae, Phloeosinus. 

 Thunbergia, Coccids attacking in 



Seychelles, 4. 

 Thurberia, Biicculatrix thurberiella 



on, in California, 18. 

 thutberiae, Anthonoruus grandis; 



Eriophycs. 

 thurberiella, Bucculatrix. 

 Thuya (see Thuja). 

 Thyme-leaved Spurge {me Chamae- 



syce serpyllifoUa). 

 thymus, Omphalomyia. 

 Thyridopteryx, intercepted on 



Daphne in Cahfornia, 229. 

 Thyridopteryx ephemeraeformis, in- 

 tercepted in California, 423, 580 ; 



measures against, in Georgia, 



386 ; experiments with nicotine 



sulphate against, 22. 

 tibialis, Bathythrix ; Paragus ; 



Phanerotoma. 

 Tibicen septemdecim (Periodical 



Cicada), bionomics of, in U.S.A., 



206, 328, 367, 369, 403. 

 tigrinus, Mecaspis. 

 Tilia americana (see Basswood). 

 Tilia amtirensis, Ernoporus tiliae 



in, in Siberia, 511. 

 Tilia vulgaris (see Lime). 

 tiliae, Eriophyes ; Ernoporus ; 



31ysocallis. 

 tiliaria, Erannis. 

 Tillicera assantensis (see Thana- 



simus). 

 Tillus elongatus, predaceous on 



Anobiids in Europe, 281. 

 timais, Xanthopastis. 

 Timarcha tenebricosa, longevity of, 



20, 21. 



