370 PROCEEDINGS OF THE NATIONAL MUSEUM vol. in 



by less than transverse ocellar width; juga weakly convex, shorter 

 than clypeus, latter diverging from base, very wide at apex. Anten- 

 nal segments: I, 0.59(0.58-0.61); II, 0.48(0.46-0.50); III, 0.43 

 (0.43-0.43); IV, 0.54(0.53-0.56). Labial segments: I, 0.53(0.53- 

 0.54); II, 0.52(0.50-0.55); III, 0.43(0.42-0.44); IV, 0.37(0.36-0.38). 



Pronotum: Length about three-fifths width, 2.64(2.63-2.66) :4. 33 

 (4.30-4.36); posterior lobe impunctate. 



Scutellnm: Longer than wide, 3.43 (3.42-3.45) :2.67(2.65-2.69); 

 impunctuate. 



Ilemelytron: Polished, obsoletely or not punctate. 



Legs: Corbicle of posterior tibia with single, submedian row of 

 tubercles on dorsal half. 



Terminalia: Gonostylus as illustrated (fig. 189). 



Length of body: 7.47(7.44-7.50). 



Female. — Very similar to male. 



Head: Width-length ratio, 1.65(1.58-1.72): 1.49(1.40-1.60); inter- 

 ocular width, 1.11(1.00-1.16). Antennal segments: I, 0.66(0.60- 

 0.73); II, 0.50(0.46-0.55); III, 0.49(0.43-0.56); IV, 0.59(0.56-0.60). 

 Labial segments: I, 0.53(0.46-0.60); II, 0.57(0.50-0.63); III, 0.40 

 (0.34-0.43); IV, 0.36(0.33-0.43). 



Pronotum: Length-width ratio, 2.72(2.55-2.92) :4.54(4.25-4.80). 



Scutellum: Length-width ratio, 3.54(3.15-3.90) :2.92(2.85-3.07). 



Length of body: 7.68(7.05-8.25). 



Type data.— Holotype male (USNM 64869), "Rio Frio, Colombia, 

 5-24-25." Allotype female (USNM) same data. Paratypes as follows : 



Guatemala: "Guat.," 1 male, 3 females (USNM). 



Honduras: La Lima, August 26, 1959, 2 males (USNM). Guarama, Depart- 

 ment of Cortes, Dec. 19, 1956, in soil around roots of banana, 10-24 inches down, 

 1 female (USNM). 



Panama Canal Zone: Fort Clayton, June 25, 1945, K. E. Frick, 1 female 

 (CalAc). Madden Dam, May 18, 1936, M. M. Saylor, 2 females (RLU). 



Colombia: Same data as types, 16 females (USNM, RCF). Same locality as 

 type, May 26, 1925, 2 males, 34 females (USNM, RCF). Some of these were 

 determined as Scapiocoris castaneus by McAtee and Malloch. Same locality as 

 types,May 20, 1930, Darlington, 1 female (MCZ). 



Venezuela: Boquerin, Yaracuy, Mar. 20, 1920, J. and E. B. Williamson, 2 

 females (MCZ). Caracas Valley, Los Ruisses, May 1926, H. E. Box, 11 females 

 (BrM). La Fria, Tachira, Apr. 19, 1920, J. and E. B. Williamson, 2 males (MCZ, 

 RCF). 



Trinidad: "Trinidad, W. I., Jun.," 1 female (USNM). 



Distribution. — Specimens studied indicate that the range of this 

 species extends from Panama to northern South America and some of 

 the adjacent islands — Colombia and Venezuela on the continent and 

 Trinidad just off the shore. 



Discussion. — This is the species treated as castaneus Perty by Sig- 

 noret. However, examination of Perty's type shows that the name 



