450 PROCEEDINGS OF THE NATIONAL MUSEUIVI vol. in 



Hemelytron: Clavus and corium shining, very feebly alutaceous; 

 clavus with one complete row of punctures and few punctures at base; 

 mesocorium with two complete rows of punctures paralleling claval 

 suture, disc with numerous distinct punctures; exocorium with median 

 row of distinct, close-set punctures; costa thin, sharp, depressed, with 

 one setigerous puncture dorsally near base; membranal suture feebly 

 convex, lateral angle slightly produced; membrane longer than basal 

 width, slightly surpassing apex of abdomen. 



Proplouron: Anterior convexity alutaceous, with numerous obsolete 

 to feeble punctures and rugulae, depression with several coarse punc- 

 tures; prosternal carinae less than half as high as labial II. 



Mesopleuron: Ev^aporatorium restricted, extended two-thirds across 

 posterior margin of segment; lateral area finely rugulose. 



Metapleuron : Terminal lobe of peritreme large, almost reaching to 

 side margin of evaporatorium; lateral area with number of close-set, 

 elongate, coarse punctures. 



Legs: Anterior tibia with four stout spines dorsally. 



Sternites: Shining, very faintly alutaceous, minutely punctate, lat- 

 eral fourth roughened by numerous small, close rugae. 



Terminalia: Genital capsule shining, scattered punctures becoming 

 numerous in depressed lateral angles, apical margin straight, with 

 small, prominent tooth medially (sometimes broken off) ; gonostylus 

 as illustrated (fig. 216). 



Length of body: 3.01(2.94-3.07). 



Female: Similar to male. 



Head: Length-width ratio, 0.52(0.50-0.56) :0.75(0.72-0.81) ; inter- 

 ocular width, 0.43(0.40-0.47). Antenna! segments: I, 0.15(0.15-0.16) ; 

 II, 0.17(0.16-0.20); III, 0.21(0.17-0.25); IV, 0.25(0.23-0.30); V, 

 0.34(0.32-0.37). Labial segments: I, 0.21(0.20-0.23); II, 0.37(0.36- 

 0.40); III, 0.26(0.23-0.30); IV, 0.23(0.21-0.26). 



Pronotum: Lengtli-width ratio, 0.72(0.70-0.76) :1.50(1.46-1.57). 



Scutellum: Length-width ratio, 1.22(1.14-1.31) : 0.93 (0.90-1 .00) 



Length of body: 2.92(2.74-3.18). 



Type data. — Location of the types unknown to the author. Sig- 

 noret originally described spinolae as coming from Chile. Jensen- 

 Haarup described the type (Copen) of minusculus from Lagoa Santa, 

 Brazil. 



Specimens studied. — 4 males, 82 females. 



Panama: Canal Zone: Anc6n, Barro Colorado Island, Corozal; April. 

 Dominican Republic: Barahona, south side of Lake Enriquillo; September. 

 British Guiana: Bartica. 



Brazil: Conimba (Matto Grosso), Espfrito-Santo, Distrito Federal, Rio de 

 Janeiro, Sao Paulo; February, June, November, December. 

 Paraouay: Chaco, Grand Chaco; June. 

 Argentina: Misiones: Bemberg, Iquazu; February, March. 



