162 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 42. 



GERST-ffiCKERIA, sens. str. 



The characterization of this subgenus and designation of type are 

 included in the table to subgenera, preceding. 



Key to species. 



1. Elytra tessellate; body robust tessellata, new species. 



2. Elytra fasciate. 



a*. Elytra oval; prothorax as long as wide. 

 b^. Femora mottled on basal two-thirds, white on apical third; elytral fasciae 



irregular profusa Casey. 



6*. Femora covered with golden white scales, the middle and hind pairs with a 



dark band before the apex; elytral fascise regular bifasciata Gerstaecker. 



a?. Elytra inflated; prothorax wider than long; femora covered with dark scales, 

 speckled with white, with a white ring before the apex, apex black, 



altemata, new species. 



GKRSTiECKERIA (GERST-ECKERIA) TESSELLATA, new species. 



Cheyenne, Wyoming, April 24, Soltau collection (two specimens). 



Length, 7.5-8 mm. Black; legs piceous-black; scaly vestiture 

 black and yellowish-white, tessellated. Beak long, densely rugosely 

 punctate, carinate. Front longitudinally sulcate; eyes separated by 

 about one-half the width of the beak. Head and basal tliird of beak 

 clothed with yellowish scales. Prothorax as long as wide, strongly 

 carinate, widest at middle, strongly constricted at apex; strongly, 

 reticulately or confusedly punctate, the punctures largest at base and 

 sides, smallest at apex; vestiture extremely sparse. Elytra wider at 

 base than prothorax, oval; alternate elytral interspaces slightly wider 

 and much more densely clothed; strial punctures large, quadrate, each 

 bearing a small quadrate scale, separated by partitions not as high as 

 the interspaces; vestiture consisting of white and black tessellations. 

 Femora clothed with brown scales \vith a white band before apex; 

 tibiae clothed with white. Femora unarmed; tarsal claws widely 

 divergent. Venter moderately punctate, clothed with light and dark 

 scales; second ventral segment slightly longer than tliird or fourth. 



There is also at hand one specimen labeled Colorado Springs, 

 Colorado, June 15-30, 1896, H. F. Wickham, 6,000 to 7,000 feet. 

 Type.— C&t. No. 14470, U.S.N.M. 



GERST.«:CKERLA (GERST^CKERIA) PROFUSA Casey. 



Texas, Belfrage and Soltau collections (five specimens). 

 No records of the habits of this species can be found. 



GERSTiECKERIA (GERST^CKERIA) BIFASCIATA Gerstsecker. 



This species was described from Mexico. It is recorded in the 

 Biologia Centrali- Americana from Zimapan in Hidalgo. Ehrenberg 

 found it in numbers on Cactus, 



Four specimens were bred November 1, 1910, from EcMnocactus 

 setispinus, collected in June at San Aatonio, Texas, by F. L. Lewton. 



