June, '17] BURKE: NOTES ON WESTERN BUPRESTIDAE 327 



Trachykele lecontei Gory — Virginia, North Carolina, South Carolina 

 and Louisana; mines wood of injured, dying and dead trees; bald 

 cypress {Taxodium distichum); flies from March to July; may attack 

 planted bald cypress. 



Poecilonota cyanipes Say (?) — Colorado, New Mexico and Utah; 

 mines wood of injured trees; aspen (Popidus tremuloides) and common 

 Cottonwood (P. deltoides); flies from August to September; may attack 

 planted poplars. 



Pcecilonota ferrea Melsh. {?) — California; mines bark and wood of 

 injured trees; aspen {Popidus tremidoides) and nuttall willow (Salix 

 nuttallii); flies from July to September; may attack planted willows 

 and poplars. 



Poecilonota thureura Say (f) — Montana and Oregon; mines bark of 

 normal trees; black cottonwood (Popidus trichocarpa) ; flies in July 

 and August; lays its eggs in crevices in the bark; may attack planted 

 cottonwoods but according to Mr. Josef Brunner prefers the older 

 thick-barked trees. 



The classification of this genus is in a deplorable state and all of 

 these species may be wrongly identified. 



Buprestis confluens Say — Colorado, Utah and California; mines 

 wood of injured, dying and dead trees; aspen (Popidus tremuloides) 

 and common cottonwood (P. deltoides); flies from July to September; 

 attacks planted cottonwood. 



Melanophila drurmnondi Kirby — Practically all of the Rocky Moun- 

 tain and Pacific states; mines inner bark and outer wood of normal, 

 injured, dying and dead trees; western larch (Larix occidentalis), 

 Engelmann spruce (Picea engelmanni), sitka spruce (P. sitchensis), 

 western hemlock (Tsuga heterophylla) , alpine hemlock (7^. mortensiana) , 

 douglas spruce (Pseudotsuga taxifoUa), alpine fir (Ahies lasiocarpa), 

 lowland fir (A. grandis), white fir (A. concolor), lovely fir (A. amahilis), 

 noble fir (A. nobilis) and red fir (A. magnifica); flies from May to 

 September; attacks and kills many trees, also causes defects to form in 

 the wood of others; maj' attack coniferous shade trees. 



Heretofore, has been mixed with the following species. Melano- 

 phila sp. — California; mines inner bark and wood of normal, injured, 

 dying and dead trees; yellow pine (Pinus ponderosa), Jeffrey pine 

 (P. jeffreyi) and digger pine (P. sabiniana); flies from June to August; 

 kills many second growth trees and assists Dendroctonus species to 

 kill others. 



Melanophila gentilis Lee. — Practically all of the Rocky Mountain 

 and Pacific states; mines inner bark and wood of normal, injured, 

 djdng and dead trees; sugar pine (Pinus lamhertiana) , yellow pine (P. 

 ponderOsa), rock pine (P. scopulorum) and Jeffrey pine (P. jeffreyi); 



