Biological Papers. 59 



Argyresthia austerella Zell. On the morning of June 4 these moths were 

 found resting on trunks of box elder trees. Their manner 

 of holding the wings, folded outward at a right angle from 

 the bark, was quite peculiar. ( Determination by A. Busck. ) 



Tineola bisselliella Hum. April, appearing in dimly lighted room during 

 daytime; also May, at night. (Determination by A. Busck.) 



Tinea f uscipunctella Haw. May, at night. ( Determination by W. G. Dietz. ) 



Setomorpha rutella Zell. Colorado, Denver; April, in lighted room at 

 night. . (Determination by W. G. Dietz.) As cited in 

 Dyar's list, the following names may be applied: female = 

 operosella Zell ; male = inamcenella Zell. 



Anaphora popeanella Clem. June. 



Order HYMENOPTERA. 

 Since the system of classification proposed by Ashmead was 

 generally followed in the arrangement of my former list of Hy- 

 menoptera, the same plan will be adopted for present purposes. 



Family Bombid^. 

 Bombus rufocinctus Cr. Colorado, Buffalo; August. New locality for 

 state. A male specimen probably belonging to this species 

 was taken at Colorado Springs in August. The latter locality, 

 however, has been previously reported. 



Family Megachilid^, 

 Megachile cleomis Ckll. Colorado, Colorado Springs; August. A male 

 specimen. (Determination by T. D. A. Cockerell.) 

 monardarum Ckll. Colorado, Denver; August. A female speci- 

 men. (Determined by T. D. A. Cockerell.) 

 sexdentata Robt. Colorado, Colorado Springs; August. (De- 

 termined by T. D. A. Cockerell.) The species has been 

 labeled as M. pruinosa Cr. in the University of Kansas col- 

 lection. Professor Cockerell h^s written that "This is close 

 to M. pruina Sm., and has no doubt been confused wth it." 

 Dianthidium ulkei Cr. Colorado, Denver; August. A female specimen. 

 (Determined by T. D. A, Cockerell.) 



Family Andrenid^. 

 Halictus (Evylseus) pectoralis Sm. Colorado, Denver; August. 



Family Crabronid^. 

 Crabro maculiclypeus Fox, var. with a black clypeus. Kansas, Lawrence; 

 July. (Determined by S. A. Rohwer.) New to Kansas list. 

 (Ectemnius) parvulus Pack., var. Kansas, Lawrence; July. (De- 

 termined by S. A. Rohwer.) New to Kansas list. 

 Rhopalum modestum Roh. Kansas, Lawrence; June, twilight. (Determi- 

 nation by S. A. Rohwer.) New to Kansas list. 



Family Pemphredonid^. 

 Stigmus inordinatus Fox, var. universitatis Roh. Kansas, Lawrence; July 

 and July, twilight, (Determination by S. A. Rohwer.) New to 

 Kansas list, 

 lucidus Roh. (Tr. Amer. Ent. Soc, v. 35, p. 102.) Kansas, Law- 

 rence; July. (Type.) Addition to Kansas list. 



