THE GENUS DENDKOCTONUS. 



87 



Flat, Show Low, Santa Catalina Mountains. New Mexico: Vermejo, 

 Santa Fe, Meeks, Capitan (Mountains), Cloudcroft. Texas: Davis 

 Mountains. Colorado: Fort Graiiand and Monte Vista. JJtali: Esca- 

 lante and Panguitch. Additional localities from otJier collections. 

 (H. & S.) Chiricahua Mountains, Ariz. 



Host trees. — Pinus ponderosa var. scopulorum (very common), P. 

 edulis (rare), and Pseudotsuga taxifolia (rare, probably abnormal). 



Identifi.ed specimens. — Horn collection, 2; Dietz, 1; U. S. N. M., 

 H. & S., 2, B. & S., 62; Hopk. U. S., more than 400, mcludmg all 

 stages and work. 



Fig. 48. — Dendroctonus barberi: Distribution map. (Original.) 



Bibliography and Synonymy. 



Dendroctonus frontalis (not of Zimm.) Dietz, 1890, p. 32 (in part), Arizona. 

 Dendroctonus arizonicus Hopkins, 1902a, p. 3 (in part), manuscript name only. 

 Dendroctonus n. sp. Hopkins, 1904, pp. 42, 44, habits, host, distribution, etc. 

 Dendroctonus brevicomis var. barberi Hopkins, 1906b, p. 147, PI. lY, fig. 9, anatomy 

 of larval head, manuscript name. 



3i Dendroctonus convexifrons n. sp. 



(PL III, fig. 3.) 



Adult. — Type of species, female: Length, 6 mm.; reddish-brown, 

 shining. Elytral declivity with long hairs. Head with front convex; 

 without median frontal groove or tubercles, but with posterior impres- 

 sion. Elytral rugosities moderately coarse, but not densely placed, 

 except toward the base; strise faintly impressed and with rather coarse, 

 indistinct punctures. Pronotum with long, erect hairs on the entire 



