GENERAL INDEX 



275 



Chionaspis. See Phenacaspis. 

 Chlordane, 139, 207, 209, 222, 241 

 Chloropicrin, 27 

 Choristoneura — 



fumiferana, 80, 102 

 lambertianae, 105 

 Chrysobothris, 47, 190, 191 



breviloba, 191 



californica, 190 



carinipennis, 191 



caurina, 191 



dentipes, 191 



dolata, 191 



falli, 191 



femorata, 47 



ignicollis, 191 



maii, 47 



monticola, 191 



riixa, 47, 190 



octocola, 191 



pseudotsugae, 191 



semisculpta, 191 



sylvania, 191 



texana, 191 



viridicyanea, 47 

 Chrysomela, 78, J2.£ 



Californica, 125 



interrupta, 125 



lapponica, 125 



scripta, 124 



tremulae, 125 

 Chrysomelidae, 122 

 Chrysophana — ■ 



placida, 23, 47 



placida conicola, 23 

 Chrysopidae, 216 

 Cimbex, 78, 116 



americana, 122 



pacifica, 122 



rubida, 122 

 Cinera, 57 



curvipes, 34 

 Clastoptera, 67 

 Clearwing, locust, 200 



moths, 200 

 Cleridae, 133, 137, 216, 234 

 Coccidae, 62 

 Coccinellidae, 216 

 Coeloides, 137 

 Coleoptera, 14, 114 

 Color adia — 



doris, 85 



pandora, 83 

 Commophila. See Heinrichia. 

 Cone — 



injury key, 17 



insects, 17, 18, 23 

 Conophthorus, 18 



apachacae, 19 



contortae, 19 



edulis, 19 



flexilis, 19 



lambertianae, 19 



nwnophyllae, 19 



monticolae, 19 



ponder osae, 19 



radiatae, 19 



scopulorum, 19 

 Contarinia color adeyisis, 70 

 Control — 



aerial, 20, 36, 98, 221, 223 



biological, 217, 220 



burning, 36, 133, 139, 141, 146, 156, 170. 

 221, 234-38,243 



climatic, 76, 109, 118, 137, 212 



decking, 156, 234 



disease, 76, 90, 93, 94, 99, 106, 215 



felling, 36, 133, 139, 146, 170 



injection, 242 



logging, 242 



maintenance, 243 



natural, 85, 211, 215, 244 



oil, 236, 241 



peeling, 133, 139, 140, 170, 234, 239, 240 



silvicultural, 218 



solar-heat, 240 



Control — (continued) 



temperature, 213 



See also name of insect or insecticide 

 Coptodisca arbutiella, 115 

 Corny eum cardinale, 54 

 Cossidae, 199 

 Cossonus, 198 

 Creosote, 180, 207, 208 

 Cricket, Mormon, 74 

 Criocephalus. See Arhopalus. 

 Cryolite, 31 

 Cryphalus, 38 

 Cryptaspidiotus shastae, 66 

 Cryptorhynchus lapathi, 198 

 Crypturgus, 38, 129 



borealis, 166 

 Curculio spp., 26 



uniformis, 26 

 Curculionidae, 39 

 Cutworms, 27, 28, 30, 31 

 Cylindrocopturus, 33, 39, 42-.4J 



dehiscens, 45 



deleoni, 45 



eatoni, 44 



furnissi, 44 

 Cynipidae, 69 

 Damping-off, 27 

 DDT, 18, 20, 31, 36. 37, 40, 44, 48, 77, 



85, 90, 93, 100, 104, 118, 139, 164, 207, 221, 



222-225, 241 

 D-D mixture, 27, 30, 31, 32 

 Defoliators, 28, 32, 74, 75, 181 



control, 77, 93, 98, 99, 221 



injury diagnosis, 78-81 

 Dendroctonus, 126, 129, 131, 144, 153, 166 



approximatus, 127, 135 



arizonicus, 127, 135 



barberi, 127, 133 



borealis, 127, IGh 



brevicomis, 127, 132 



convexifrons, 127, 13), 



engelmanni, 127, 163 



jeffreyi, 127, HO 



monticolae, 127, 135 



murrayanae, 127, HI 



obesus, 127, 16k 



ponderosae, 127, 139 



pseudotsugae, 127, 155 



valens, 127, 142 

 Desmococcus- — 



captivus, 66 



sedentarius, 66 

 Diapause, 116 

 Diaspidiotus ehrhomi, 66 

 Diaspis carueli, 66 

 Dicer ca, 189 



crassicollis, 190 



divaricata, 190 



horni, 190 



prolongata, 190 



sexualis, 190 



tenebrosa, 190 

 Dichelonyx, 78, 125 



crotchi, 125 



decolorata, 125 



testaceipennis, 125 



valida, 125 

 Dichloroethyl ether, 27 

 Dicrodiplosis gillettei, 70 

 Dilachnus. See Cinera. 

 Dioryctria, 17, 33, 4<? 



abietella, 20, 22, 49 



albovittella, 20 



ponderosae, 48 



xanthoenobares, 20, //# 



zimmermani, 49 

 Diplopoda, 14 

 Diptera, 14, 114, 216 

 Disease, 2i5 



fir gout, 60 



virus, 93, 99, 106 



wilt, 90, 94, 215 

 Dolurgus pumilus, 166 

 Dryocoetes, 128, 163, 165, 169 



affaber, 165 



betulae, 169 



