488 PROCEEDINGS OF THE NATIONAL MUSEUM vol. in 



near base) shining, impunctate. Antennal segments: I, 0.36; II, 

 0.35; III, 0.54; IV and V missing. Bucculae almost as high as labial 

 II, evanescent posteriorly; labium reaching between middle coxae. 

 Labial segments: I, 0.60; II, 1.16; III, 0.80; IV, 0.53. 



Pronotum: Length more than half width, 2.15:3.78; anterior margin 

 deeply, singly emarginate; lateral margin straight on basal half or 

 more, with submarginal row of four setigerous punctures; transverse 

 impression postmedian, weak, obsolete medially, marked by medially 

 interrupted row of punctures; anterior lobe laterally with area of 

 minute punctures enclosing few large punctures, elsewhere impunctate; 

 posterior lobe mostly impunctate, with few obsolete punctures 

 medially. 



Scutellum: Length greater than width, 2.37:2.21; disc shining, with 

 large scattered punctures, 



Hemelytron: Clavus and corium alutaceous; clavus with one row of 

 punctures; corium virtually impunctate except forsinglerowparalleling 

 claval suture; costa with one setigerous puncture; membranal suture 

 straight, lateral angle not produced; membrane longer than basal 

 width, just reaching apex of abdomen. 



Propleuron: Shining, weakly alutaceous, with few large punctures in 

 depression; prosternal carinae much less than half as high as labial II. 



Mesopleuron: Evaporatorium attaining side margin of segment; 

 lateral area irregular. 



Metapleuron : Lateral margin of evaporatorium almost straight; 

 lateral area polished, impunctate. 



Legs: Posterior tibia without subbasal angulation ventrally, with 

 four preapical spines on postero ventral margin. 



Sternites: Obsoletely alutaceous, impunctate. 



Terminalia: Genital capsule virtually impunctate except in lateral 

 angles; apical margin slightly convex medially; gonostylus as illus- 

 trated (fig. 228). 



Length of body: 7.66. 



Female: As yet not properly associated with male; for further 

 comments, see discussion below. 



Type data. — Signoret's type (Wien) of laevigatus was from "Ocana," 

 his type (Wien) of stall was from "Bresil," and his type (BrM) of 

 buchanani was from "Amazon super." 



Specimens studied. — 1 male, 1 female. These respectively were 

 the types of laevigatus and stali and were labeled "Ocana" and "Bresil." 



Discussion. — The types of both laevigatus and stali were studied, 

 and full notes on the type of buchanani were furnished. P. laevigatus 

 was based on a male specimen, while hothstaliund buchanani were based 

 on females. P. laevigatus is distinct from the others as keyed and 

 described above. The placement of the two females here must be 



