INDEX. 



723 



Hylastes opacus, in forests in 

 Britain, 544. 



Hylastes palliatiis, in forests in 

 Finland, 600 ; measures against, 

 in spruce and pine in Germany, 

 254, 255. 



Hylecoetns dermestoides, in beech in 

 Switzerland, 198. 



Hylemyia [Leptohvlemyia] antiqua 

 (Onion Fly, Onion ^laggot), in 

 Britain, 487 ; in Canada, 34, 35, 

 132, 582 ; in Denmark, 194, 364 ; 

 in Russia, 329 ; in U.S.A., 60, 

 436, 460, 525 ; measures against, 

 525 ; reared on artificial media, 

 460. 



Hylemyia brassicae (see Phorhia). 



Hylemyia cerealis (Western ^^'heat- 

 stem Maggot), in Montana, 585. 



Hvlemyia {Leptohvlemyia) coarctata 

 '(Wheat Bulb Fly), '205; biono- 

 mics of, in Britain, 321, 487. 



Hylesinus fraxini (Ash-bark Beetle), 

 a minor forest pest in Britain, 

 488. 



Hylesiniis minor (see Myelophilus). 



Hylesinus piniperda (see Myelo- 

 ph Hits] . 



Hvlobius, in forests in Germany, 

 "254, 613. 



Hvlobius abietis, bionomics of, in 

 Germany, 97, 156. 



Hylobiiis pales (Pales Weevil), 

 bionomics and control of, in 

 conifers in U.S.A, 288. 



Hyloicus pinastri, on conifers in 

 "Bulgaria, 497. 



hylotomae, Admontia. 



Hylotrupes bajulus, bionomics of, 

 in timber in Germany, 29. 



Hyliirgops (see Hylastes). 



Hymenoptera, correlation of taxo- 

 nomic affinities ^vith food habits 

 in parasitic, 433. 



hyoscyami, Pegomyia ; Psylliodes. 



Hyoscyamus, pests of, in Germany, 

 "277. 



Hyoscyamus niger, Psylliodes hyos- 

 cyami on, in Crimea, 303. 



Hyper a, on strawberries in Denmark, 

 364 ; on clover and lucerne in 

 France, 134. 



Hypera nigrirostris (Lesser Clover- 

 leaf Weevil), on clover and 

 lucerne in Denmark, 193 ; 

 destroyed by starlings in U.S.A., 

 305. 



Hypera punctata (Clover-leaf 

 Weevil), fungous disease of, in 

 Ontario, 129. 132 ; in U.S.A., 16, 

 238, 305, 312, 389 ; bionomics 

 and control of, 312. 



Hypera variabilis (Alfalfa Weevil), 

 legislation against introduction 

 of, into British Columbia from 

 U.S.A., 583 ; on clover and 

 lucerne in Denmark, 193, 363 ; 

 in France, 134, 361 ; measures 

 against, in U.S.A., 21, 111, 153, 

 166, 315. 405, 460, 461, 585, 

 597 ; parasites of. 134. 461. 



Hyperaspis albicollis, predacious on 

 Aleurocanthus woglumi in Panama 

 Canal Zone, 307. 



Hyperaspis calderana, predacious on 

 Aleurocanthus woglumi in Panama 

 Canal Zone, 307. 



Hyperaspis lateralis, predacious on 

 mealy-bugs in California, 190. 



Hyperaspis trilineaia, predacious on 

 Pseudococcus calceolariae in Bar- 

 bados, 456. 



Hyphaene crinita, producing vege- 

 table ivory. 331. 



Hyphaene thebaica (Dum Palm), 

 Coccolrypes dactyliperda in nuts 

 of, in Eritrea. 281. 



Hyphantidium terebrelluin, on spruce 

 in Bavaria, 608. 



Hvphantria cimea (Fall Webworm), 

 "in Canada, 125, 132, 160, 161 ; 

 measures against, in South Da- 

 kota, 484 ; banding effective 

 against, 309. 



hypobori, Laonophloeus ; Trichopria 

 {Cephalonomia] . 



Hypoborus ficus, natural enemies of, 

 in France, 23 ; mine-patterns of, 

 279. 



Hypocyptus, probably associated 

 with Tetranychus spp. in France, 

 476. 



h ypogaea, Diarthronomyia. 



Hypogymna morio (Woolly ^Meadow 

 Moth), in pastures in Bulgaria, 

 497 : bionomics of, in Hungary, 

 448. 



Hypomeces squamosus, on tea in 

 Formosa. 77. 



Hvponomeuta, food-plants of, in 

 Denmark. 193, 194 ; in orchards 

 in France, 23. 25 ; in Holland, 

 96 ; Euonymus grown in vine- 

 yards to encourage parasites of, 

 62. 



Hvponomeuta malinellus (Apple Er- 

 mine Moth), intercepted on apple 

 in Canada. 160 ; on apple and 

 pear in Denmark. 363 ; in Italy, 

 223. 472 ; bionomics and control 

 of. in Russia. 348, 349 ; experi- 

 ments with calcium polvsulphides 

 against, 409 ; parasitised by 

 Ageniaspis fuscicollis, 472. 



