606 



IXDE.V. 



Dacus cueurbitae (Melon Fly), inter- 

 cepted in cucumbers in Cali- 

 fornia, 62, 127 ; establishment 

 of i^arasites of, in Hawaii, 33, 

 149, 385 ; not found in Japan in 

 1918, 100; quarantine against, 

 in U.S.A., 59, 103. 

 Dacus dorsalis (Forniosan Orange 



Fly), in Japan, 100. 

 Dacus ferrugineus (Mango Fruit- 

 fly), intercepted on guava in 

 Florida, 82 ; experiments against, 

 in New South Wales, 32. 



Dacus macer, sp. n., in Uganda, 241. 



Dacus oleae (Olive Fly), lecfislation 

 against, in Cyprus, 88 ; bio- 

 nomics and control of, in France, 

 231, 365, 467 ; measures against, 

 in Italy, 66, 455, 466 ; proposed 

 iixtroduction of African parasites 

 of, 455, 456. 



Dacus trigonus, sp. n., in Nigeria, 

 241. 



Dacus iryoni (see D. ferrugineus). 



Dacus tsuneonis (Japanese Orange 

 Fly), bionomics of, in Japan, 

 238, 350. 



Dadap (see Erythrina). 



Daffodil, Merodon equestris in bulbs 

 of, in New Zealand, 49. 



daghestanica, Platycleis. 



Dahlia, pests of, in Canada, 25, 

 179 ; mealy-bugs intercej)ted on, 

 in Hawaii, 438 ; pests of, in 

 U.S.A., 189, 224, 240, 278. 



Dahlia variabilis, food-plant of 

 Ceroplastes sinensis in Italy, 

 218. 



Dakota, North, food-plants of Cep- 

 hus cinctus in, 23. 



Dakota^ South, maize pests in, 

 367 ; orchard and shade-tree 

 pests in, 183, 315. 



Dakruma coccidivora (see Laetilia). 



Dalbergia cuUrata, Sijjalus hypocrita 

 on, in India, 404. 



Dalbergia lanceolaria, food-plant of 

 Tachardia lacca in S. India, 402. 



Dalbergia lati folia, Cercidocercus 

 bimaculalus on, in India, 403. 



Dalbergia sissoo, pests of, in India, 

 291, 403, 535; not attacked by 

 Microternies obesus, 135. 



daniicornis, Sternodontis. 



dammerm ani, Eripternimorpha. 



damor, Phassus. 



Damsel Bug (see Nabis ferus). 



Damson (Prunns insititia), Macrom- 

 phalia dedecora on, in Chile, 252 ; 

 Putoniella marsupialis forming 

 galls on, in France, 426. 



Danais plexippns (Monarch Butter- 

 fly), in Canada, 26. 



Dandelion, Thrips physapus on, in 

 Br. Columbia, 509. 



Daphne, insect pests intercepted 



on, in California, 62, 361, 503. 

 Dasychira abietis, on Cryptomeria 

 in Japan, 370. 



Dasychira pudibunda, natural ene- 

 mies of, on pine and beech in 

 Germany, 454 ; parasitised by 

 Automalus alboguttatus in Sweden, 

 96. 



Dasyneura, new specie> of, on 

 Arabis alhida in Switzerland, 234. 



Dasyneura* leguniinicola (see Per- 

 risia). 



Dasyneura pyri (see Perrisia). 



Dasyneura rhodophaga (see Neo- 

 cerafa). 



Datana integerrima (Black Walnut 

 Caterpillar), in Canada, 27 ; ex- 

 periments with hydrocyanic-acid 

 gas against, in U.S.A., 131. 



Datana ministra (Yellow-neeked 

 Caterpillar), bionomics of, in 

 Canada, 44, 526 ; in orchards in 

 New York, 137 ; effect of derris 

 on, 497. 



Date Palm {Phoenix dactylifera), 

 Parlatoria blanchardi intercepted 

 on, in S. Africa, 244 ; Heliothrips 

 haemorrhoidalis on, in Barbados, 

 186 ; Rhynchophorus ferrugineus 

 on, in India, 287, 404 ; pests of, 

 in Mesopotamia, 189, 190. 



Datura fastuosa, food-plant of 

 Epilachna dodecastigma in Suma- 

 tra, 508. 



davidson i, Myzocallis. 



debilis, Solenopsis. 



decemlineata, Leptinotarsa (Dory- 

 phora) ; Polyphylla. 



deciduosus, Ceroplastes. 



decorct; Buprestis. 



dedecora, Macromphalia. 



defoliaria, Hibernia. 



defoliator, Emperorrhinus. 



Deguelia, correct botanical name 

 for plants of the genus known as 

 Derris, 496 ; experiments with 

 extracts of, as insecticides, 496. 



Deidamia inscriptum, parasitised 

 by Compsilura concinnata in 

 U.S.A., 429. 



Deilemera apicalis, parasitised by 

 M icrog aster fasciipennis in Africa, 

 104. 



Dcilephila galii, parasitised by 

 Compsilura concinnata in U.S.A., 

 429. 



delauneyi, Dysdercus. 



delecta, Tarache (Acontia). 



delicatissima, Monda. 



Delphastus catalinae, successful 

 establishment of, against white- 

 flies in Florida, 106, 237, 419. 



Delphinium, Papaipema cctta- 

 phracta on, in Canada, 25. 



