February, '19] BURKE: FLATHEADED BARKBORERS 107 



Melanophila notata Lap. and Gory — Middle and Southern States is 

 the range given by Leconte, Horn says Georgia and Florida and 

 Blatchley adds Marion County, Indiana. So far we have made no 

 records on this species. 



Melanophila acuminata De Geer — Appears to be same as longipes 

 Say and atropurpurea Say; Wisconsin, South Dakota, Colorado, Idaho, 

 Washington and California; mines inner bark and outer wood of in- 

 jured, dying and dead trees; pupates in wood; red or Norway pine 

 (Pinus resinosa), lodgepole pine (P. viurrayana), monterey cypress 

 {Cupressus macrocarpa) ; taken on the bark of yellow pine {Pinus 

 ponderosa), engelmann spruce (Picea engelmanni), sitka spruce (P. 

 sitchensis), lowland fir {Abies grandis), giant arborvitse {Thuja plicata); 

 flies from May to October; pupates during spring and summer; 

 adults common in smoke of forest fires; prefers to attack trees scorched 

 by fire. 



Melanophila consputa Lee. — Northern to central California; mines 

 inner bark and outer wood of injured, dying and dead trees; pupates in 

 either bark or wood; yellow pine {Pinus ponderosa), lodgepole pine 

 (P. murrayana), monterey pine (P. radiata), knobcone pine (P. atten- 

 uata); pupates during spring and summer; flies from April to Octo- 

 ber; common during late summer around burned areas; prefers to 

 attack trees scorched by fire; sometimes annoys workmen around saw- 

 mills and smelters by alighting on them and pinching the hands or 

 face with its mandibles. 



Melanophila gentilis Lee. — South Dakota, Colorado, New Mexico, 

 Montana, Utah, Arizona, Idaho, Oregon, California; mines inner 

 bark and outer wood of normal, injured, dying and dead trees; pupates 

 in bark or outer wood; sugar pine {Pinus lamhertiana) , yellow pine 

 (P. ponderosa), rock pine (P. scopulorum), Jeffrey pine (P. jeffreyi); 

 flies from March to August; pupates from March to July; attacks and 

 kills small and large trees; very injurious to second growth in some 

 localities; is one of the most injurious enemies of its host plants. 



Melanophila drummondi Kirby — Montana, Colorado, New Mexico, 

 Idaho, Utah, Arizona, Washington, Oregon, California; mines inner 

 bark and outer wood of normal, injured, dying and dead trees; pu- 

 pates in bark or wood; western larch {Larix occidenlalis) , engelmann 

 spruce {Picea engelmanni), sitka spruce (P. sitchensis), western hem- 

 lock {Tsuga heterophylla) , alpine hemlock {T. mertensiana) , douglas 

 spruce {Pseudotsuga taxifolia), alpine fir {Abies lasiocarpa), lowland 

 fir (A. grandis), white fir {A. concolor), lovely fir (A. atnabilis), noble 

 fir (A. nobilis), red fir (A. magnifica); flies from May to September; 

 pupates from February to June; attacks and kills many trees; causes 

 defects to form in the wood of others which it attacks but fails to kill. 



