160 AMERICAN HYMENOPTERA. 



pile. With some white hairs on middle of basal margin of second seg- 

 ment. Wings strongly infuscate, distinctly darker than those of typi- 

 cal worker and with distinct violaceous reflections. 



Habitat. — Bolivia (Tarata), Peru (Callanga), Ecuador 

 (Quito, Machachi— 10,000 feet, Hac. Guachala— 9,217 feet, 

 Pichincha— 11,500 feet, Chillo— 9,000 feet, S. Lucia— 8,000 

 feet, Hac. S. Rosario — 10,300 feet), Colombia and Costa 

 Rica (no typical specimen from Costa Rica). 



This species does not appear to have any very close allies. 

 One might think from its color that its nearest relative was 

 volticelloides, but it is structurally most like hitteli and baeri. 

 This structural likeness is seen particularly in the position 

 of the ocelli relative to the eye margins and the supra-orbital 

 line. 



The dark pile on the head, pleura, legs, abdomen and sides 

 of median segment of the males is nearly all tipped some- 

 what with pale color so as to appear somewhat cinereous. 

 The pile of the species, as a whole, is fine and of somewhat 

 more than medium length. 



A queen, worker and male determined by Friese are before 

 me. 



Bombus (Bombias) liaiidlirschi Friese. 

 Bonibus handlirschi H. Friese, Zeitsch. f. Systemat. Hym. und Dipt., 

 Ill Jahrg., Heft 4, July 1, 1903, p. 255, 9 8 cf . 

 Franklin, Ent. News, XVIII, 1907, p. 93, S . 



Types. — Friese described this species from two queens, 

 seven workers and three males. The workers and males 

 came from Marcapata, Peru, through Staudinger, and are 

 now in Friese's private collection as, he writes me, are also 

 the types of all his other Neotropical species. The two 

 queen cotypes are in the collection of the Berlin Museum 

 and it is quite possible that they cannot be identified with 

 certainty, as Friese, when he published the descriptions of 

 the worker and male, appears to have described the queen 

 inadvertently from memory. 



Pile long and rather fi7ie. Pile on head and on dorsutn of thorax 

 dark ashen gray. Pleura ferruginous. Dorsum of abdomen ferrugin- 

 ous at base and apex, but dark fuliginous in middle. Legs and venter 

 of abdomen mostly ferruginous. 



