11(5 Annals of the Carnegie Museum. 



both Para and Rio de Janeiro, Brazil, where they were taken during 

 October and November by H. H. Smith. 



It is the common species in Paraguay about Asuncion, where it was 

 collected by the present writer in October. 



161. Vilerna flavipennis Gersta?cker. 

 Vilerna flavipennis Gerstvecker, Mitth. Ver. Neu-Vorpomm., XX, p. 13 (1889). 

 Habitat. — Specimens determined as this species are at hand from 

 Para and Chapada, Brazil. They were taken during the months of 

 May to July inclusive by H. H. Smith. 



Genus Xiphiola Bolivar. 

 Xiphiola Bolivar, Act. Soc. Espan. Hist. Nat., 1896, p. 17. 



162. Xiphiola borellii Giglio-Tos. 



Xiphiola borellii Giglio-Tos, Boll. Mus. Zool. Anat. Comp. Torino, XV, no. 377, 

 pp. 5, 6 (1900). 



Habitat. — Specimens of this species are at hand both from Rio de 

 Janeiro and Chapada. Brazil, where they were collected during the 

 months of May to August inclusive (H. H. Smith). 



Genus Osmiliola Giglio-Tos. 

 Osmiliola Giglio-Tos, Boll. Mus. Zool. Anat. Torino, XII, no. 302, p. 32 (1897). 



163. Osmiliola aurita Giglio-Tos. 



Osmiliola aurita Giglio-Tos, Boll. Mus. Zool. Anat. Torino, XII, no. 302, p. 33 



(1897). 



Habitat. — A pair of specimens are at hand that have been deter- 

 mined as this species. They come from. Chapada, Brazil (H. H. 

 Smith). 



Genus Rhabdoscirtus gen. now 



Related to Xiphiola Bolivar and Saparus Gigilo-Tos, but differing 

 from both in a number of respects, as will be seen by an examination of 

 the following description: 



General shape of insect fusiform, being rather robust in the vicinity 

 of the mesothorax, from which it tapers both anteriorly and posteriorly. 

 Head of medium size, a trifle narrower than the front edge of the prono- 

 tum; eyes large, prominent, elliptical, a little longer than the cheeks 

 below them; vertex narrow, almost linear, depressed; the fastigium a 

 little elevated anteriorly, somewhat longer than broad; frontal costa 



