CaLANDRID/E. 



Spenopborus pertinax, Oliv. 



sculptilis, Uhler. 

 Dryopthoriis corticalis, Say. 

 Cossonus platalea, Say. 

 Rhyncholas oregoiiensis, Horn. 

 Stenoscelis brevis, Bob. 



SCOLYTID.E. 



bivittatus, Hb. 

 Xyleborus ca^latus, Eicb. 

 Toniicus calHgrapbus, Germ. 



pini, Say. 

 Hylesiuus opaculus, Lee. 

 Pbkeosinus dentatus, Say. 

 Dendroctonus terebrans, Oiiv. 

 Hylastes cavernosas, Zimra. 

 Hybirgops, pinifex, Fitcb. 



AxTHRlBIDyE. 



Pityopbtborus materiarius, Fitch. 



puberulas, Lee. 



sparsus, Lee. " 

 Xyloterus retusus, Lee. 



Allandrus bifasciatus, Lee. 

 Hormiscus saltator, Lee. 

 Antbribus cornutus, Say. 

 Cratoparis lunatus, Fabr. 



Families, 67; Genera, 524; Species, 1,003. 



