INDEX. 



42i 



Dryocit'tina, 114 

 Dryophanta tlivisa, 154 



longiventris, 154 



scutellaris, 153 

 Dryophanta J'oli I, 153 



Eccoptoganter sco/yfan, 93 

 Eggs of insects, 4 

 Elm-bark Beetle, 93 

 Entomology, principal orders, 3 

 Epurtea angustala, 404 

 Erineum, 19 



Eriophyes, life-history and micro- 

 scopical characters, 21 



fastidious as to food, 35 



physiological functions, 22 



species causing malformation of 

 flowers, fruit, or leaves, 30 



species living in buds, 23 



species living in galls, 27 



aucupariiv, 32 



avellana>, 24 



axillaris, 29 



fraxini, 30 



goniothorax, 31 



hiivis, 29 



macrochelus, 28 



macrorhynchus, 28 



psilaspis, 26 



rudis, 25 



tetanothrix {hrris), 29 



tilia^ (typictis), 27 



tiliarius, 30 

 Eriophyida-, 19 

 Eriophyina', sub-family, 23 



dissemination of, 36 

 Ernobius mollis, 52 

 Euura pentandra?, 181 

 Eyed Hawk-Moth, the, 205 

 Eyes of insects, 9 



Fidonia piniaria, 214 



Forest Entomology, definition of, 1 



Fumigation, 414 



Gall-flies, setting of, 381 

 Gall-mites, 19 

 Geometrina, 214 

 Goat-moth, 206 

 Gracillaria syringella, 241 

 Green Tortrix Moth, 221 



Harmandia tremuVf, 36() 

 Head of insect, 9 



Heart of insect, 14 

 Hedya ocellana, 226 

 Holrocneme Erichsonii, 186 

 Hormomyia caprea', 367 



fagi, 367 



piliger, 367 

 Hornet, 192 



clear-wing of the osier, 205 

 Hybernia defoliaria, 218 

 Hylastes, characters of genus, 98 



ater, 100 



palliatus, 99 

 Hylesinina, 98 

 Hylesinus, characters of genus, 101 



orenatus, 101 



fraxini, 103 



oleiperda, 105 



vittatus, 106 

 Hylesinus piniperda, 107 

 Hylobius abietis, 72 



preventive and remedial measures 

 against, 74 

 Hylurgus, generic characters of, 107 



minor, 112 



piniperda, 107 



piniperda, preventive and remedial 

 measures against, 111 

 Hymenoptera — oak-galls, 130 



characters of, 164 



miscellaneous, 192 



saw-flies, 164 

 Hyponomeuta evonymellus, 233 



Ichneumonid», 405 

 Insect, general definition of, 3 

 Insecticides, 407 



Insects, relative position in the 

 animal kingdom, 2 



Lachiiinie, characters of tribes, 270 

 Lachnus, characters of genus, 271 



longipes, 272 



pini, 271 



viminalis, 272 

 Lamiida;, 58 



Larva>, typical forms of, 5 

 Lasioptera rubi, 368 

 Leaf-wasps, 172 

 Lecanium, general characters of, 331 



generic characters of, 334 



bituberculatum, 338 



caprere, 338 



ciliatum, 337 



persica^, var. coryli, 337 



