656 



INDEX. 



Hormomyia oleiphila, sp. n., on 

 olives in Eritrea, 531. 



Horn -fly Parasite (see Spalangia 

 camera ni). 



horni, Saperda. 



Horonotus optaius, on sugar-cane 

 in Australia, 166. 



Horse-beans, BrucTius intercepted 

 in, in Porto Rico, 485; Bruchus 

 rufimanus in, in Sweden, 147 ; 

 (see Canavalia and Vicia faha). 



Horsemint (see Monarda jninctata). 



Horse-radish, PhyUotrela spp. on, 

 in Britain, 246 ; Phaedon cocli- 

 leariae on, in Sweden, 147. 



Jwrticola, Phyllopertha. 



Iiortuellns, Crambus. 



hortulanus, Bibio. 



hospes, Pseudogonatopus. 



Hospitalitermes liizonensis (see Eu- 

 termes). 



hovghtonensis. Aphis. 



House-flies, odours stimulating ovi- 

 position in, 220 ; compounds 

 non-toxic to, 254 ; (see 3Iusca 

 domestica). 



House sparrow, an injurious bird 

 in Britain, 478. 



howardi, Aleurothrixus. 



Hoicardia biclavis, on coffee in 

 Porto Rico, 104; parasitised by 

 Pneudopteroptrix imiiatrix in 

 Hawaii, 352. 



Huckleberry (see Gaylussacia bac- 

 cata). 



humanus, Pedicidus. 



humeralis, Pachypeltis. 



humilis, J ridomyrmex ; Opius. 



hiimuli, Hypena ; PJiorodon. 



hungarica, Cynips. 



Hungary, niiscellaneous pests in, 

 343, 407, 408 ; pests of vines in, 

 172. 



Hyacinth, Eumerus strigatus in 

 bulbs of, in N. America, 129. 



Hyadaphis pasiimacae, Siphocoryne 

 essigi erroneously recorded as, in 

 N. America, 257. 



Hyadaphis xylostei (Wild Carrot 

 Aphis), a minor apple pest in 

 U.S.A., 212. 



hyalinaia, Diaphania ; Triscolia. 



hyalinipennis, Oxycarenus. 



Eyaloniyodes triangularis, parasite 

 of Haltica bimarginata in U.S.A., 

 242. 



Eyaloniyodes weedi (see II. triangu- 

 laris). 



Byalopterus arundinis (phragmiti- 

 cola, pruni) (Mealy Plum Aphis), 

 bionomics of, on plums in Bri- 

 tain, 58, 114, 159, 209, 210, 431, 

 508 ; on Prunus in Br. Columbia, 

 361 ; on prune in Italy, 143 ; on 

 plums in Norway, 285 ; food- 



plants of, in Sweden, 146; on 

 plums in Switzerland, 367 ; on 

 plums etc. in U.S.A., 212, 417. 



Hyalopterus insignis, sp. n., on 

 grasses in Egypt, 209. 



Hyalopterus phragmiticola (see 

 H. nrundinis). 



Hyalopterus pruni (seefl'. arundinis). 



Hyblaea puera, on teak in Dutch E. 

 Indies, 350; on teak in India, 521. 



Ilybodera tuberculala, in maple in 

 California, 396. 



Hydrellia griseola, on oats and 

 Timothy grass in Norway and 

 Sweden, 150, 284. 



Hydrocarbon-oils, experiments with, 

 against cockroaches, 532. 



Hydi-ocarbons, experiments in trap- 

 ping fruit flies mth, 423. 



Hydrochloric Acid, for treating 

 cocoons of univoltine races of 

 silkworms, 211. 



Hydrocyanic-acid Gas, against 

 Alenrodes raporarlorum, 508 ; 

 against Chermes, 157 ; against 

 Eriosoma pyricola, 27 ; against 

 Phloeothrips oleae, 55 ; against 

 Bhopoboia naevana, 118; against 

 Lasioderma serricorne, 215 ; 

 against scale-insects, 126, 181, 

 216, 401 ; against Siephanitis 

 jryrioides, 368, 443 ; against tim- 

 ber-boring beetles, 390 ; against 

 insects infesting stored grain 

 etc., 270, 356, 357, 383, 425, 452, 

 469 ; objections to use of, against 

 pests of stored food, 419 ; ex- 

 periments in fumigation with, 

 under tents, 417 ; fumigation of 

 citrus trees with, 568; phy- 

 siological effects of, on plants, 

 64 ; machines for disinfecting 

 cotton seed involving use of, 42 ; 

 fumigation with, 11, 27, 55, 64, 

 118, 126, 157, 181, 215, 216, 270, 

 327, 356, 357, 368, 390, 401, 417, 

 425, 452, 469, 508, 568 ; the time 

 factor in fumigation with, 319 ; 

 fumigation of ships with, 543 ; 

 as a soil fumigant, 82, 293 ; 

 compulsory fumigation with, of 

 plants imijorted into India, 87 ; 

 iiietlective against Cydia molesta, 

 374 ; dangerous in orchid liouses, 

 327 ; unsuitable against tobacco 

 pests, 224. 



HydroerAa ndcacea (see Gortyna). 



hylaeijorniis, Pennisetia (Benihecia). 



hylas, Cephonodes. 



Hylasies angustatus, in conifers in 

 Scotland, 115. 



Hylastes ater, bionomics of, and 

 measures against, in conifers 

 in Scotland, 115-117 ; in Sweden, 

 89. 



