192 



THE PROTECTION OF WOODLANDS. 



being marked thus *, and afterwards described in detail 

 (pp. 195 to 232) : 



Classification, and Common and Scientific Names. 



I. Beetles (Coleoptera). 

 A. BARK-BEETLES, Scolytidce. 

 a. Scolytini group. 



1.* Large Elm-bark beetle, Scolytus} 

 destructor ( 



2. Small <lo. S. -multi- ( 



strintus 



Destructive 

 as 



larva 



Trees and Parts 



of Tree chiefly 



attacked. 



Elm : stem.' 



b. Hylesinini yroup 



1.* Large Pine-shoot beetle, Hylcsinus\ 

 piniperda I 



2.* Crutch Pine-beetle, H. palliatus ( 

 3.* Small Pine-shoot beetle, H. minor ) 

 4. Black Pme-cambial beetle, H. ater . 



5.* Ash -bark beetles, //. fraxini, H. 

 crenatus 



beetle, larva 



beetle 

 larva 



Scots Pine : shoots, 

 stem. 



Pines : young bark 



near ground. 

 Ash : stem. 



c. Bostrichini group. 

 1.* The 2-toothed Pine -bark beetle, 

 Bostrichus bidens 



2. * Acuminate Pine - bark beetle, B. 



acuminatus 



3. Large 6-toothed Pine-bark beetle, B. 



sexdentatus 



4. Larch -bark beetle, B. laricis 



5. 3-striped Wood-boring beetle, B. 



lineatus 



6. Oak bark- and wood-boring beetle, 



B. dispar 



B. WEEVILS OR LONG-SNOUTED BEETLES, Cur- 



culionidce. 

 1.* Large Pine- weevil, Hylobius abielis 



2.* Small banded Pine -weevil, Pissodes 



notatus 

 3. Pine -pole weevils, P. piniphilus, P. 



pini 

 4.* Beech leaf-mining weevil, Orchestes fagi 



5. Oak leaf-mining weevil, 0. querci 



6. Willow, Poplar, and Alder weevil, 



Cryptorhynchiis lapathi 

 7.* Crawling Hazel-weevil, Strophosomits 

 coryli 



larva 



Pines : stem, 



branches. 

 Scots Pine: crown, 



branches. 

 Pines : logs. 



Pines : stem, logs. 

 Conifers: logs. 



Oak, Beech : stem, 

 logs- 



larva, beetle 

 larva 



ti 

 larva, beetl 



Conifers: bark of 

 young plants. 



Conifers : bark of 

 young plants. 



Scots Pine : stem. 



Beech : leaves. 

 Oak : leaves. 

 Softwoods : shoots, 



bark. 

 Most trees : buds, 



shoots. 



