210 



GUIDE TO CALIFORNIA INSECTS. 



hystrix — Chaetoph locus. 



imperialis Lee. 



nebulosus Lee. 



sericeus Man. 

 Hylurgops granulatus Lee. 



rugipennis (Man.) 



subcostulatus (Man.) 

 Hylurgus nigrinus — Hylastes. 

 Hypothenemus striatus (Lee.) 

 Ips cacographus (Germ.) 



confusus Lee. 



latidens Leee. 



pini Say. 



plastographus Lee. 



pubipennis Lee. 



sexdentatus Esch. 

 Micracis hirtella Lee. 

 Monarthrum dentigerum (Lee.) 



huttoni Woll. 



scutellare (Lee.) 

 Phlceosinus cristatus (Lee.) 



cupressi Hop. 



sequoise Hop. 

 Pityophthorus carinulatus (Lee.) 



confinus Lee. 



cribripennis Esch. 



digestus (Lee.) 



nitiduluE Man. 



pilosus Lee. 



pubipennis Lee. 



puncticollis (Lee.) 



retusus Lee. 



striatus Lee. 



suicatus Lee. 

 Seolytus californicus Lee. 



destructor — unispinosus. 



praeeeps Lee . 



subscaber Lee. 



terebrans — Chaetophloeus Hys- 

 trix. 



unispinosus Lee. 



ventralis Lee. 

 Tomicus cacographus — Ips. 

 Xyleborus c^latu Esch. 

 Xyloterus bivittatus Kirby. 



hamatus — Pityophthorus earinu- 

 latu . 



vittiger Esch. 



CALANDRID>E. 



The following food habits are known: — 



Pine Cossonus pisiphilus, crenotus, Rhyncolus oregonensis. Buckeye Rhyn- 

 lolus angularis. Yucca Macrorhynchus, Scyphophorus, Yuccaborus. Cactus 

 Cactophagus. Lupine Rhyncolus pallens. Poplar and Maple Cossonus sub- 

 arcuatus. Drift wood Flassoptes.. 



Cactophagus validus Lee. 

 Calandra granaria linn. 



oryz^ Linn. 

 Cossonus californicus — piniphllus 



crenatus Horn. 



piniphllus Sch. 



subareatus Boh. 

 Dryophthorus bitubercu.atus Fabr. 



corticalis (not California). 

 Flassoptes marinus Horn. 

 Lymnantes scrobicoilis Gyll. 

 Macrorhynchus protractus Horn. 

 MesituE tardii Wall. 

 Metamaseus sericeus Horn. 

 Metopotoma repens 

 Phloeophagus minor Horn. 

 Rhina frontalis — Yuccaborus. 

 Rhyncholus anguiaris Lee. 



brunneus Man. 



ealifornicus Wol. 



cylindricollis Wol. 



dilatatus Ca . 



dorsalis Lee. 



oregonensis Horn. 



pallens Cas. 



protensis Woi. 



spretus Cas. 

 i-hynchophorus asperulus (not Cahf.) 



palmarum (not California). 

 Scyphophorus acupunctatus Gyll. 



robustior (not California). 



yuccas Horn. 

 Sitophylus oryzae — Calandra. 

 Sphenophorus abrasus Chit. 



discolor Man. 



gentilis Lee. 



nionterensis — vomer in us. 



pertinax Oliv. 



pictus Lee. 



procerus — Cactophagus validus. 



retieulaticollis Boh. 



robustus (not California). 



simplex Lee. 



subopacus Chit. 



sayi Gyll. 



subearinatus Man. 



