INDEX. 



733 



155 ; restrictions on transporta- 

 tion of, in Massachusetts, 25. (See 

 Althaea.) 

 holmgreni, Pimpla. 

 hololeucus, Niptiis. 

 holosericea, Aeolesthes. 

 Holotrichia (see Lachnosterna) . 

 Homalonotus coriaceus, bionomics of, 



in coconuts in Brazil, 53, 302. 

 Honiona coffearia (Tea Tortrix), in 

 Ceylon, 281, 489 ; doubt as to 

 occurrence of, in Java, 282 (note) ; 

 on tea in Madras, 494. 

 Homona menciana, parasitised by 

 Phytodiaetus capuae in Formosa, 

 292 ; bionomics of, on tea in 

 Java, 282. 

 Homoporus fiilviventris, hyper- 

 parasite of Cicada plebeja in 

 Italy, 95. 

 Honduras, British, plant pest legis- 

 lation in, 129. 

 Honduras, Spanish, pests from, 



intercepted in U.S.A., 71. 

 Honey, Vitula serratilineella feeding 

 on, in Canada, 125 ; Aphelinus 

 mali fed on, in captivity, 226 ; in 

 formulae for baits, 68, 204. 

 Honey Locust, new Scolytid in, in 



North America, 362. 

 Honeysuckle, Cantharis sphaericollis 

 on, in ]\Ianitoba, 418. (See also 

 Lonicera.) 

 Hongkong, attempted introduction 

 of fig wasps into Hawaii from, 518. 

 Hop Aphis (see Phorodon humuli). 

 Hopkins' Bioclimatic Law, notice 



of, 540. 

 Hopkins' Host-selection Principle, 

 as applied to Cerambycids in 

 U.S.A., 83. 

 Hoplia trifasciata, probably on apple 



in Ontario, 420. 

 hoplites, Apanteles. 

 Hoplocampa brevis, on apples and 



pears in France, 266, 606. 

 Hoplocampa cookei (Cherry Fruit 

 Sawfl}'^), measures against, on 

 fruit-trees in Califorma, 356. 

 Hoplocampa fulvicornis (Plum Saw- 

 fly), in Bessarabia, 209 ; in 

 Britain, 1 1 ; in orchards in Den- 

 mark, 62 ; in plums etc. in 

 France, 266, 606 ; in Holland, 508. 

 Hoplocampa testiidinea (Apple Saw- 

 fly), liable to be confused with 

 Cydia pomonella in England, 51 ; 

 on pears and apples in France, 

 266, 606 ; measures against, in 

 Holland, 465. 

 Hoplocevambyx spinicornis, in Shorea 

 robusta in India, 179, 369. 



Hopperburn (Tipburn) of Potato, 

 243 ; caused by Empoasca mali 

 in U.S.A., 171, 177, 194, 217, 244, 

 379, 510, 532, 544, 599; experi- 

 ments in production of, 177, 194, 

 532. 544. 

 Hopperdozer, against grasshoppers, 

 S3, 207 ; experiments with ma- 

 chine resembhng, against Diabro- 

 Hca, 132. 

 Hops, Contarinia humuli forming 

 galls on, in Austria, 394 ; pests 

 of, in British Isles, 336, 527 ; 

 Tylenchus dipsaci on, in Czecho- 

 slovakia, 290 ; pests of, in France, 

 266, 631. 

 hordei, Tylenchus. 

 Hordeum (see Barley). 

 Hordeum tnurinum, Oscinella frit on, 



in British Isles, 475. 

 Horistothrips, notice of key to Aus- 

 tralian species of, 29. 

 Horn Fly (see Lyperosia). 

 Hornbeam {Carpinus), Liparis 

 nwnacha on, in Czecho-Slovakia, 

 264. 

 Hornets, measures against, in 

 Cyprus, 22. {See Polistes hebraeus.) 

 Horse Gram (see Dolichos biflorus). 

 Horse-radish, Drosopliilid larvae 



intercepted in, in Hawaii, 446. 

 hortensis, Chaetocnema ; Smynthunis. 

 horticola, Phyllopertha. 

 horiiiellus, Crambus. 

 Hot Air Macliine, description of, for 



disinfecting cotton seed, 233. 

 houghtonensis, Aphis, 

 howardi, Aleurothrixus ; Rhopalo- 



siphum (see R. davisi). 

 Howavdula benigna, parasite of Dia- 



brotica spp. in U.S.A., 140. 

 hiibneri, Thyridopteryx . 

 humerosoma, Amorbia. 

 humida, Rhyssa. 

 humilis, Iridomyrmex ; Opius. 

 humuli, Contarinia ; Phorodon 



[Myzus] . 

 Hungary, beet pests in, 255, 504 

 cereal pests in, 16, 17, 63 

 Drosophila melanogaster in, 4, 5 

 Hvpogymna morio in, 63 ; pests 

 of larch and oak in, 12, 500 ; 

 orchard pests in, 5 ; economic 

 position of Silvanus surinamensis 

 in, 62 ; vine pests in, 63 ; invasion 

 of Hypogvmna morio into INIoravia 

 from, 585. 

 huttoni, Nysius. 



Hyacinth, pests intercepted in bulbs 

 of, in California, 251 ; Tylenchus 

 dipsaci on, in Europe, 243 ; pests 



