634 



INDEX. 



Duomitus capensis, in castor oil 

 plants in Zanzibar, 128. 



Duomitus cerarnicus (Beehole Borer), 

 in teak in India, 522 ; in teak in 

 Dutch E. Indies, 349. 



Duomitus leuconoius, in Cassia 

 grandis in Ceylon, 539. 



duplex, I'seudaonidia. 



Duranta, Aphis durantae on, in 

 Egypt, 209 ; Aphis duranti on, 

 in Lahore, 473. 



Duranta plumeri, food-plant ol' 

 Homona coffearia in Ceylon, 540 ; 

 Helopeltis not ovipositing on, 

 in Java, 233. 



durantae, Aphis. 



duranti, Aphis. 



Dust Sprays, 230, 253, 370, 385 

 395, 412, 459 ; compared with 

 li(|uid sprays, 361, 413, 452, 559, 

 560; carriers and diluents for, 

 60, 214; bellows for, 439. 



Dutch East Indies, miscellaneous 

 insect pests in, 349, 447 ; plant 

 pest legislation in, 505 ; (see 

 Java and Sumatra). 



Dyeing, insect galls used for, 244. 



Dyschorista Jissipuncta, parasitised 

 by Microplitis spectabilis in 

 Britain, 382. 



Dyscinetus barbatus, experimentally 

 infested with Metarrhizium aniso- 

 pUae in Porto Rico, 378. 



Dyscinetus gagaies, measures against 

 on wheat in Argentina, 317. 



Dyscinetus trachypygus, a minor 

 pest of cranberries in U.S.A., 564. 



Dysdercus (Cotton Stainers), mea- 

 sures against, in India, 335 ; on 

 cotton etc. in West Indies, 187, 

 210, 454; on cotton in Uganda, 

 51. 



Dysdereus andreae, in Virgin Islands, 

 377. 



Dysdereus cingulatus, on cotton in 

 Ceylon, 539. 



Dysdereus delauneyi, food-plants of, 

 and measures against, in West 

 Indies, 249, 250, 252, 455, 542. 



Dysdereus intermedius, food-plants 

 of, in Nyasaland, 69, 70. 



Dysdereus nigrofasciatus, food- 

 plants of, in Nyasaland, 69, 70. 



Dysdereus scassellati, sp. n., on 

 cotton in Italian Somaliland, 488. 



Dysdereus suturellus. on cottiou ete. 



_in U.S.A., 248, 473. ,, , 



Eanti» thrmo, od (Htrji*. ifl.; JP.<?rto 



Rico, 487. . u 

 MariAs, paxasitj.'i^d by Mi'^robraeou 

 ,s ib Xndia,. 123 ; parasitf^ <rt".. ..W 



Nyasaland, 70. ;, ^'io'r'i 



Earias biplaga, on Thespesia in 

 Nyasaland, 69. 



Earias insuJana (Siiiny Cotton Boll- 

 worm), food-plants of, in Africa, 

 48, 49 ; bionomics of, and mea- 

 sures against, in India, 334, 335 ; 

 on Thespesia in Nyasaland, 69 ; 

 on cotton in Uganda, 51. 



earinoides, Microdus (Bassus). 



Earwigs, bionomics of, in Britain, 

 426 ; Metarrhizium anisopliae 

 infesting, in Porto Rico, 378. 



Eastern Grape Aphis (see Macro- 

 siphum illinoi sense). 



Eccoptogaster (see Scolytus). 



Eccoptogasler destructor (see Scoly- 

 tus ratzeburgi). 



Eccoptopterus sexspinosus, in cacao 

 in Belgian Congo, 79. 



ecMnocacti, Diaspis. 



EchinocJiloa crusgaUi, food plant of 

 I'yrausta nubitalis in U.S.A., 554. 



echinopus, Rhizoglyphus. 



Eciton burchelU (Yakman Ant), at- 

 tacking bees in Br. Guiana, 533. 



Economic Entomology, importance 

 of, in relation to forestry in 

 Britain, 259 ; organisation of, in 

 Germany, 405; organisation of, 

 in Russia, 30, 66, 347 ; organisa- 

 tion of. in U.S.A., 1, 59, 192 194, 

 203, 302, 360, 365, 405, 433 ; 

 relation of agronomy to, 527 ; 

 relation of ecology to, 34; value 

 of, in connection with food pro- 

 duction, 203; importance of, to 

 human welfare, 433 ; some 

 phases of, in S. Africa, 276. 



Ecphylus, Sycosot^r allied to, 72. 



Ecuador, pests of cacao in, 365 ; 

 Schistoeerca urichi in, 462. 



Edessa meditabunda (Pea Chiidt), 

 bionomics and control of. in 

 West Indies, 250, 251, 454, 455. 



edwardsi, Chrysobothris ; Mego- 

 brium. 



Eclworms, intercepted in potatoes 

 in California, 253 ; injurious to 

 plants in Quebec, 63 ; (see 

 Tylenchus). 



Eggplant {Solanum melongena), 

 Pseudococfius intercepted on, in 

 California, .450 ; scale-insects on, 

 in India, 85, 86 ; Halticus minu- 

 tus on, in the Pescadores Islands, 

 503; food-plant . of Padiyzancla 

 periusalis in Porto Ricoj, 485; 

 pests of, in U.S.A., 292, 417> 455, 



547. :; ...:-..:■.... 



Egg-plant, Wild {^efySoltmum tQf- 



eglanterina, l^seudoliazis. ■ ; ;; , ; 

 egregius^ Pteromalus. 

 Egypt, Aphidsfi-ona^ 209> 50&; Asca- 

 laphus predaceous on I*xc!dema 



