248 ENTOMOLOGICAL NEWS [June, 'iT 



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. riifescens 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. laevigata 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 



