Coleopterous Subfamily Dynastinse. 1-67 



The sharply angulated shoulders of the elytra, which are 

 traceable in E. bidentata, Burra., are here much more 

 marked, and the elytra regularly increase in width from the 

 shoulders to near the extremities. Their semiopaque surface 

 and shallow striation are also very distinctive, as are the very 

 coarsely punctured prothorax and pygidiura. 



One specimen was taken at Sapucay by Mr. W. Foster, 

 and I have received a considerable series from Messrs. Stau- 

 dinger and Bang-Haas. 



Pucaya pulchra, sp. n. (PI. IV. fig. 7.) 



(S . Castanea, capite prothoraceque obscurioribus, hujus lateribuu 

 (puncto mediano fusco excepto) punctisque duobus trausverse 

 ante basin positis flavis, elytrorum fascia obliqua a basi usque ad 

 angulum suturalem, circum marginera externum fere ad humeruin 

 recurrenti, pygidiique lateribus similiter coloratis : elongata, 

 parallela, polita, capite rugose punctate, utrinque breviter acute 

 cornuto, clypeo lato, margine recto, reflexo ; prothorace trans- 

 verso, vix punctato, medio leviter canaliculato, autice paulo retuso, 

 lateribus fortiter arcuatis, angulis posticis obsoletis ; elytris pares 

 subtiliter punctatis, punctis nonnullis discoidalibus seriatis ; 

 pygidio laevissime punctato, sterno dense baud longe fulvo-birto. 

 Long. 20 mm. ; lat. max. 10 mm. 



Hab. Colombia. 



The single male specimen in the British Museum was 

 formerly in the Reiche Collection. Although closely similar 

 in all points of structure to the typical species of this genus 

 [Pucaya castanea, Ohaus), its bright orange markings render 

 it of peculiar interest and seem to indicate a diurnal habit, 

 like that of the species of Cyclocephala, in which, almost 

 alone amongst the Dynastinse, similar patterns are found. 

 P. castanea has the sombre colouring characteristic of the 

 subfamily, and, as Dr. Ohaus has recorded, is nocturnal. 



P. pulchra is smaller than P. castanea^ much more hairy 

 beneath, and with a faint and scanty puncturing of the elytra 

 which has wholly disappeared in the latter sjjecies. The 

 head, on the contrary, is less roughly sculptured, the clypeal 

 margin is more reflexed, and the horns are very short but 

 acute; as in P. castanea, they immediately adjoin the inner 

 edge of the eyes. The prothorax in the unique type speci- 

 men is less humped than in the other species, but bears 

 marginal and median depressions of exactly the same form 

 though less deep. 



It seems probable from the description that the small 

 Peruvian species called Cyclocephala nodicollis by Kirsch also 

 belongs to this genus. 



