248 ENTOMOLOGICAL NEWS [June, 'll 



Caudell has recorded this from Sapucay, Paraguay, while 

 Giglio-Tos reported it from Tala and San Lorenzo, Argentina. 



Tribonium spectrum (Eschscholtz). 



Puerto Bertoni. October, 1909. One female. (Bertoni, 

 No. 402). 



This species has been recorded from Brazil (numerous au- 

 thors), and Caiza, Bolivian Chaco (Giglio-Tos), while a record 

 of a larva of an undetermined species of this genus from Villa 

 Rica, Paraguay (Giglio-Tos) may refer to this species. 



Monastria biguttata (Thunberg). 

 Yaguarasapa. 1892. One male. (Bertoni, No. 479). 



Blaberus minor Saussure. 



Paraguay. 1904. One female. (Bertoni, No. 412). Giglio- 

 Tos has recorded this species from San Lorenzo, Argentina and 

 Aguairenda, Bolivian Chaco and numerous authors have cred- 

 ited it to Brazil. 



Blaberus sp. 



Yaguarasapa. 1892. One female. (Bertoni, No. 475). 



This species is probably new and related to B. rufescens on 

 one hand and the postica group on the other. It seems inadvis- 

 able to make a definite determination of this specimen until 

 more material belonging to this extremely variable genus is in 

 hand. 



Blaberus sp. 

 Puerto Bertoni. 1905. One nymph. (Bertoni, No. 743.) 



Hormetica atlas n. sp. 



Type. $ ;Puerto Bertoni, Paraguay. 1905. (Bertoni, No. 

 420). [A. N. S. P. type, No. 5174.] 



Allied to H. lacvigata Burmeister, but differing in the more 

 elongate pronotum and tegmina, the blackish coloration of the 

 "horse-shoe" on the pronotum and in the non-annulate an- 

 tennae. 



Size, large ; form moderately depressed ; surface of pronotum 

 rugulose ; of abdomen tuberculate. Head completely hidden under the 

 pronotum ; interspace between the eyes very great and equal to that 

 between the antennal bases ; face considerably flattened. Pronotum 



