374- 



PROTECTION AGAINST INSECTS. 



The following abbreviations are used : 



I. Imago. 

 L. Larva. 

 A . All stages. 

 (V.G.) Vertical gallery. 

 (F.G.) Forked 

 (H.G.) Horizontal ,. 

 (L.G.) Ladder ; the charac- 

 teristic form of Trypodetulron. 

 (S.G.) Stellate gallery. 

 S. Seedling. 



(Y.P.) Young plants. 



P. Poles. 



T. Trees. 



* Highly injurious. 



O Slightly 



Insects not marked with cither of the 



above signs are moderately injurious. 



Those with the mark f placed after 



them rarely occur in the case 



referred to. 



1. THE SPEUCE. 



ROOTS. 



WOOD. 



Dolojmts marglnatus. L. (Y.P.) 214 



* Gryllotalpa vulgarls. A. S.... 369 

 *Melolontha vulgaris. L. 2 to 3 



summers. (Y.P.) 200 



* J/. hlppocastanl. Id 209 



Xocttta setjctum. L. S 325 



BARK. 



*Hylo1ilu* alilttix. I. (Y.P.) ... 225 



*U.pinaxtri. Id 232 



Plwades notatus. Id. f 233 



P. jri.nl . I . ( Y. P. & P.) 235 



P. Jiercynlae. I. T 235 



iStropJwsomus coryli. I. (Y.P.) 220 



S, obesus. Id 220 



CAMBIUM. 

 Hylaxte* palliatus. I. & L. 



(V.G.) (P. & T.) 262 



JUyclojthilm plnlpcrda. I. & L. 



(V.G.)T.f 265 



M. minor. I. & L. (H.G.) (P. 



& T.)t 271 



Phsodexnotat'us. L.(Y.P.&P.).f 233 



P.2>lni. Id 235 



P. hcrcyniae. L. T 235 



*Tontinm ti/jxynt/rfinff. I. & L. 



(V.G.)T..... '. 238 



*T. amtiinv*. I. & L. (F.G.) & 



(S.G.)T 246 



OT. lidentntus. (Y.P. & P.) 



(S.G.).f 253 



*T. chalcographus, I. & L. 



(S.G.) P. &T 248 



OT.stenngrapJitis. I.& L. (L.G.).f 250 

 T. lari'cis. I. & L. (V.G.) 

 P.&T. , .. 251 



Ilylecoetvs d-ermexMdc*. I.&L.T. 216 

 Si>r,r jure tic us. L. T.f ......... 355 



S'. giga*. L. (P. & T.) ............ 357 



*T(>inicux lincatus. I. & L. 

 (L.G.) (P. & T.) ............... 255 



BUDS. 

 *Llparix inonarhu. L. (P. & T.) 310 



YOUNG SHOOTS. 



Chcrme* abietis. A. (P. & T.) 

 Large galls ........................ 361 



*Hylollm allctls. L. (Y.P.) ... 225 

 Lecanmm, hcinirrt//>li>//>/. A. 

 (Y.P.&P.) ....... . ................ 367 



NEEDLES. 



Geomctrapunana. L.(P.&T.)f 326 

 Lccdithiiii Jiciicr///>/i/ni/. A. 

 (Y.P. & P.) ..... ................ 3(57 



*Lij)tir'ix iiui<icl)a. L. Trees of 

 all ages ........................... 310 



OMeloltmtltii spp. I. (P. & T.)... 200 

 .\wtmi ]ii Hi prrtlii. L.(P.&T.)f 320 

 Sitvurx linrttfH*. I. (Y.P.) ...... 220 



Strophowmut coryli. I. (Y.P.) 220 

 S. obesus. Id ...................... 220 



INFLORESCENCE. 



()M<>loln1li,irultinrix. T.(P.&T.) 200 



CONES. 



A>u>lii/iii (tbirfit. L ............. 217 



GERMINATING SEEDS. 



>. I. 



214 



