Mr, \y. L. Distant on Neotropical Pentatomidffi. 253 



antcnnpe black, first joint not reachinor head, second joint a 

 little longer, third, fourth, and fifth almost snbcqual in 

 length ; pronotum coarsely punctate, the lateral margins 

 and a central line traversing the central spot levigate, the 

 anterior margin with some scattered very coarse punctures, 

 the lateral angles subprominent and levigate; scutellum 

 somewhat thickly punctate, the oblique basal spots almost 

 impunctate ; corium thickly finely punctate ; membrane 

 cupreous, passing abdominal apex ; abdominal basal spine 

 slightly passing the posterior coxse. 



Long. 9i mm. ; exp. pronot. angl. 5 mm. 



Hub. Argentina; Tucuman Prov. (Brit. Mus.). 



Ojjlo7)ins e quest ris, sp. n. 



Pronotum, scutellum, and corium sanguineous; head, 

 narrow lateral margins, and two large irregularly sub- 

 triangular spots to pronotum (widest at base), a broad central 

 transverse fascia to scutellum, a large spot a little behind 

 middle of corium, and basal area of membrane black ; 

 sternum and legs dark indigo-blue; abdomen beneath pale 

 ochraceous, with transverse marginal spots, a large subapical 

 spot, and the anal segment dark indigo-blue; antcnnre 

 black, first joint not quite reaching apex of head, second and 

 third almost subequal in length ; head punctate, the lateral 

 areas transversely striate, outer apical angles of the lateral 

 lobes rounded ; pronotum somewhat sparsely and coarsely 

 punctate; scutellum with the basal area coarsely sparsely 

 punctate, remaining area more thickly and finely punctate; 

 in the middle a broad central longitudinal cai'ination ; 

 corium thickly finely punctate; sternum more or less coarsely 

 punctate ; rostrum dark indigo-blue and reaching the 

 posterior coxse. 



Var. — Abdomen beneath sanguineous, not pale ochra- 

 ceous ; corium ^uthout the dark spot. 



Long. 13 mm. ; exp. pronot. angl. 7 mm. 



Hab, Centr. Brazil ; Chapada {A. Robert, Brit. Mus.). 



The variety described is in my own collection, but 

 unlocalized. 



Allied to 0. marginalis, Westw. 



Parajalla, gen. nov. 

 Jalla, sect, aa (part.), Stal, En. Ilem. i. p. ?A (1870). 



Allied to Jalla, but differing in the following particulars : — 

 Pronotum with the lateral margins moderately but dis- 



