COLORADO ANIMALS AND PLANTS NEW IN I9II 87 



Order HEMIPTERA 

 Suborder EOMOPTERA 



Family PSYLLIDAE 

 tNecropsylla rigidula Cockerel], Bull. Amer. Mus. Nat. Eist., XXX, p. 75, f. 3 (p. 73). 



T. 1. Miocene shales of Florissant (G. N. Rohwer). 

 Psyllopa ribesiae D. L. Crawford, Pomona College Joum. of Entom., Ill, Dec, p. 630. 



T. 1. Boulder, on Ribes longiftorum (E. Bethel). 

 Aphalara artemisiae angustipennis D. L. Crawford, Pomona College Joum. of Entom., 



May, p. 499. T. 1. Colorado (C. F. Baker). 

 A. communis D. L. Crawford, t. c, p. 499. T. 1. Pagosa Springs, Colo. (C. F. Baker). 

 A. communis metzaria D. L. Crawford, t. c, p. 499. Banner, Wyo. (C. W. Metz) and 



Pagosa Springs, Colo. (C. F. Baker). Banner must be considered the type locality. 

 A. nebulosa americana D. L. Crawford, t. c, p. 503. T. 1. Colorado (C. F. Baker). 



Family APHIDIDAE 

 Aphis pulverulens Gillette, Joum. Econ. Entom., June, p. 324. T. 1. Fort Collins 



(L. C. Bragg). Occurs on Sympharicarpos occidentalis, at or below the surface of 



the ground. 

 Chaitophorus agropyronensis Gillette, Entom. News, Dec, XXII, p. 442. T. 1. Ft. 



Collins, on Agropyron glaucum (Gillette). 

 C. artemisiae Gillette, t. c, p. 443. T. 1. Boulder (L. C. Bragg). Also at Ft. Collins. 



Lives on Artemisia dracunculoides. 

 Atarsos grindeliae Gillette, t. c, p. 440. T. 1. Fort Collins; rather common from Ft. 



Collins to Denver, taken by C. P. Gillette and L. C. Bragg. Occurs on Grindelia. 



Atarsos is a remarkable new genus, without tarsi in all stages. 

 Brachycolus tritici Gillette, t. c, p. 441. T. 1. Fort Collins (L. C. Bragg). On Agropy- 

 ron glaucum and wheat. 



Family ALEYRODLDAE 

 Aleyrodes pruinosus euphorbiarum Cockerell, Entom. News, Dec. XXII, p. 462. T. 1. 

 Glenwood Springs, Colo. (E. Bethel). On Euphorbia robusta. 



Order DIPTERA 



Family TIPULIDAE 

 Tipula coloradensis Doane, Psyche, Oct., p. 164. T. 1. Tabernash, Colo. Undoubtedly 

 collected by E. S. Tucker, but the collectors of this and the next are inexcusably 

 omitted by the describer. 

 T. rohweri Doane, t. c, p. 165. T. 1. Florissant (undoubtedly collected by S. A. Rohwer). 

 Also in Wyoming. 



Family CECIDOMYHDAE 



Lasioptera allioniae Felt, Joum. Econ. Entom., Oct., p. 482. T. 1. Boulder (E. Bethel). 

 From gall on Allionia. 



