Proceedings of 

 the United States 

 National Museum 



SMITHSONIAN INSTITUTION . WASHINGTON, D.C. 



Volume 123 1967 Number 3616 



A Review of the Genus Euparixia 

 With Description of a New Species 

 From Nests of Leaf-Cutting Ants in Louisiana 

 (Coleoptera: Scarabaeidae) 1 



By Robert E. Woodruff and Oscar L. Cartwright : 



The scarabaeid beetles of the genus Euparixia are exceedingly 

 rare in collections, probably due to their inquilinous habits. Because 

 of their rarity, Woodruff was elated to receive from Dr. John C. 

 Moser the first Louisiana specimen of this genus, taken near Flat- 

 woods, La., in a nest of the leaf-cutting ant, Atta texana (Buckley) 

 (pis. 1, 2). Since only one species has been known to occur in the 

 United States (in Arizona), this specimen was studied critically. 



Subsequently, additional specimens were collected by Dr. Moser 

 and forwarded to Cartwright for study. The authors agreed that 

 these specimens represented an undescribed species and undertook 

 a thorough treatment of the genus. During the course of this study, 

 holotypes or paratypes were examined of all species except E. duncani 

 Brown, for which topotypic examples were studied. 



1 Contribution No. 31, Florida Department of Agriculture, Division of Plant 

 Industry, Entomology Section. 



1 Woodruff: Entomologist, Florida Department of Agriculture, Division of 

 Plant Industry, Gainesville, Fla.; Cartwright: Curator, Division of Coleoptera, 

 Department of Entomology, U.S. National Museum. 



1 



