364 



PROCEEDINGS OF THE ACADEMY OF 



[Sept., 



easily capkired. The insect is not swift of flight and often relies on 

 its strongly protective coloration to escape detection. 



,^:' 



Fig. 1. — Akentetus unicolor McNeill. Knob Hill, Colorado Springs, Colorado. 

 Lateral -view of male. (X 5.) 



AKENTETUS McNeill. 



Akentetus unicolor McNeill. 

 Mannnoth Hot Springs, 



Fig. 2. — Akentetus unicolor Mc- 

 Neill. Knob HiU, Colorado 

 Springs, Colorado. Dorsal \ae-w 

 of head and pronotum of male. 

 (X 5.) 



Yellowstone Park, Aug. 5, 1 9 . Knob 

 Hill, Colorado Springs, Colorado, Aug. 

 17, 2 (^. Akron, Washington Co., Col- 

 orado, Aug. 24, 1 6^. 



This scarce species, previously re- 

 corded only from the type locality 

 ("Colorado") and Lakin, Kansas, is 

 also represented in the Academy collec- 

 tion by a male from Nebraska and a 

 female from Livermore, Larimer Co., 

 Colorado, the latter taken July 23, 

 1899. The pattern of coloration is very 

 similar to that of Amphitornus, but the 

 longitudinal bars are narrower. In 

 the Akron and Mammoth Hot Springs 

 specimens the postocular regions are 

 distinctly infuscate. The bars on the 

 caudal femora are distinct in all the 

 specimens examined. 



The four specimens of this species 

 taken were captured in three decidedly 

 different locations. At Mammoth Hot 



