1). T. A. COCKERELS. 303 



Middle Sonoran. 

 N. martinella Ckll. M. V.* 

 N. crucis Ckll. M. V.* Visits Verhesina. 

 N. pennig-era Ckll. M. V.* 

 N. sidEefloris Ckll. M. V.* 

 N. g-utierrezise Ckll. M. V.* 

 N. vierecki Ckll. M. V. Visits Asfer and Dithyrxa. Type loc. Juarez. Mexico 



(Middle Soiioian). 

 N. neomexicana Ckll. Riucon ; Deming.* Vishs Verbeiii7ia and Prosopis. 

 N. sophiarum Ckll. M. V.« Visits 8op'/wa. 



.\EOLARRA Ashm. 

 N. pruinosa Ashm. Glorieta, Aug. 23; M. V. Type loc. West Cliff', Colorado, 



7840 ft. 

 N. verbesinse Ckll. M. V.* 



PHILEREMlTLrUS Ckll 

 P. vig-ilans Ckll. M. V.* 

 P. nanus Ckll. S. F.* ; L. V. 



NEOP.4^ilTES Aslini. 

 N. pulchellus Cress. S. F. Type from Colorado; I took it at Colorado Spriugs, 

 June 20, 1906. 



DIOXY^ Lep. 

 D. productus subruber Ckll. M. V.® 



D. martii Ckll. Ficacho Mtn., M. V. •■, March 25, fls. Sphxralcea nurrtii. 



PHIEEREMUS Latr. 

 P. americanus Cress. Beulah. Type from Canada. 

 P. mesillee Ckll. M. V.* 



EPEOLDS Latr. 



E. beulahensis Ckll. Beulah.* 

 E. crucis Ckll. M. V.* 



TRIEPEOEIJS Rob. 



Canadian to Upper Sonora}i. 



T occidentalis Cress. Beulah {? was fVaser^e) ; Mescalero. Type from Coio. 

 T. cressoni fraserse Ckll. Beulah ■■ ; L. V. 



Transition to Upper Sonoran. 



T. cressoni Rob. San Ignacio ; L. V. 



T. helianthi Rob. Near San Ignacio ; Aztec. 



Transition to Middle Sonoran. 



T. seg-reg-atus Ckll. S. F. ; L. V. H. S.* ; L. V. ; Albuquerque \'; was i.iocomx) ; 

 M. V. 



TKANS. AM. ENT. SOC. XXXII. OCTOBER, 190t). 



