INDEX. 



635 



hortulanus, Bibio. 



hospes, Pseudogonatopus. 



howardi, Aleurothrixus (Aleurodes) ; 

 Aspidioius. 



Hoivardia, in S. Africa, 242. 



Howardia biclavis, intercepted on 

 Hamelia in California, 238. 



hubbardi, Gerstaeckeria. 



huesanus, Ptinus. 



hugelii, Lophosternus. 



humanus, Pediculus. 



humeralis, Pachypeltis. 



humerelln, Lissonota. 



humilis, Ghionaspis ; Iridomyrmex ; 

 Opius. 



hiimuli, Hypena ; Phorodon. 



Hyacinth, pests of, in N. America, 

 356 ; Emnerus strigatus on, in 

 Holland, 216 ; legislation restric- 

 ting importation of, into U.S.A., 

 184. 



hyacinthi, Bhizoglyphits. 



Tiyalinata, Diapliania. 



hyalinipennis, Oxycarenus. 



Hyalopeplus sviaragdinus , sp. n., 

 infesting tea in Java, 536. 



Hyalopeplus smaragdinus f. rubinus, 

 n.. ill Java, 536. 



Hyalopeplus uncariae, a minor pest 

 of Uncariagambir in Sumatra, 425. 



Hyalopeplus vitripennis, in Java, 536 



nyalopterusaquilegiae(see H.flavus). 



Hyaloptefus aruncUnis (Mealy Plum 

 Aphis), on plums in Denmark, 

 448 ; parasitised by Leucopis 

 annulipes in Germany, 162 ; on 

 prune and peach in Italy, 157 ; 

 Clirysopa cognata predaceous on. 

 in Japan, 369 ; on fruit trees in 

 Norway, 540 ; spraying experi- 

 ments against, on peaches in 

 Transcaucasia, 345, 346 ; bio- 

 nomics of, in U.S.A., 183, 297, 

 316, 472. 



Hyalopterus flavus, on Aquilegia in 

 Britain, 542. 



Hyalopterus pruni (see H. arundi- 

 nis). 



Hyalopterus trirJiodus (see H. flavus). 



Hvblaea puera, in forests in India, 

 368. 



Hydrangea, Aphids intercepted on. 

 in Nebraska, 9. 



Hydrellia griseola, on cereals in 

 Norway, 538, 539. 



Hydrochloric Acid, in formula for 

 staining Coccids, 293. 



Hydrocyanic Acid Gas, against ants, 

 33 ; against Aleurodes vapor ario- 

 rum. 492 ; against Coccids, 59, 

 103; against cockroaches, 230; 

 experiments in disinfecting soil 

 with, against Heterodera radici- 

 cola, 323 ; use of, against Meui,- 

 mia vicina, 193 ; against Prome- 



cotheca opacicollis, 460 ; against 

 pests of stored grain, etc., 138, 

 167, 353, 367, 428 ; against 

 Stephanitis pyri, 500 ; effect of, 

 under vacuum conditions on 

 subterranean larvae, 76 ; fumi- 

 gation with, 18, 33, 59, 103, 107, 

 130, 138, 230, 244, 353, 367, 428, 

 460, 492, 500 ; construction of 

 fumigating boxes for use with, 

 17 ; chloropicrin compared with, 

 286, 320 ; effect of, on germina- 

 tion of beans, 477 ; effect of, on 

 Lepidoptera, 319 ; liquid, fumi- 

 gation with, 228, 267, 473. 



Hydroecia micama (see Gortyna). 



Hygrophila spinosa, scale-insects on, 

 in S. India, 402. 



Jiylaeiformis, Pennisetia (Bembecia). 



hylas, Ceplionodes. 



Hylastes ater, in pine in Spain, 90. 



Hylastes cunieularius, in forests in 

 Sweden, 469. 



Hylastes glabratus, in spruce in 

 Sweden, 469. 



Hylastes palliatus, in Picea nmorlca 

 in Balkans, 452. 



Hylastes pinifex, in forests in N. 

 America, 430, 505. 



Hylastinus obscurus (Clover Root 

 Borer), bionomics of, in Ohio, 

 146. 



Hylemyia antiqua (Onion Fly, Onion 

 Maggot), in Britain, 209, 489, 

 509 ; in Canada, 25, 26, 171, 544 ; 

 measures against, on onions and 

 leeks in Denmark, 448, 449 ; 

 on onions and garlic in Italy, 

 157. 



Hylemyia cerealis, on wheat in 

 Montana, 315. 



Hylemyia coarctata (Wheat Bulb 

 Fly), in Britain, 70,442 ; decrease 

 of, in Denmark in 1915, 445 ; 

 on cereals in Norway, 538. 



Hylesinus, on ash, infested with 

 Beauveria globulifera in France, 

 460. 



Hylesinus crenatus, in forests in 

 Germany, 159. 



Hylesinus fraxini, in forests in 

 Germanv, 159 ; on cheri-y in 

 Italy, 157. 



Hylesinus oleiperda, in forests in 

 Germany, 159. 



Hylesinus orni, in forests in Ger- 

 many, 159. 



Hylobius maeilentus, in camphor in 

 Japan, 370. 



Hyloicus pinastri, on pine in Spain, 

 209. 



Hylotoma mall, on apple in Korea, 

 274. 



Hylotrupes ligneus, infesting build- 

 ijigs in Maryland, 240. 



