384 HEMIPTERA. 



black ; third joint less dilated than in the preceding, but more so 

 than in the following species, with its base reddish orange. 

 a. . Presented by Capt. Sir Edward Belcher. 



4. PACHYLIS laticornis. 



Lygzeus laticornis, Fab. E. S. Supp. 538. 15 (1798) < S. R. 208. 



"21 (1803). 

 Pachylis laticornis, H. Sch. Warn. iii. 63. t. 92. fig. 276 & 277 



(1836); Spin. Hem. 135. 2? (1837). 

 Pachylis rufitarsis, Spin. Hem. 136. 4 (1837). 

 Stall, Pun. 130. pi. 33. fig. 231 ( 3 ). 



a. Brazil. 



b. Brazil. Presented by Sir C. Stewart. 



c. Brazil. From Mr. Children's Collection. 



d. Brazil. From M. Mornay's Collection. 



e. British Guiana. Presented by Sir Robert Schomburgk. 

 /. Columbia. From M. Goudot's Collection. 



5. PACHYLIS tenuicornis, n. s. 



P. prsecedenti affinis; supra fuscus, obscurus, thoracis margine 

 postico, elytrorumque margine laterali basi, leviter luteis ; ab- 

 dominis marginibus nigris, fulvo-maculatis ; antennis nigris, 

 articulo tertio vix dilatato. $ ? . 

 Long. <J lin. 12, ? lin. 16. 



Above dark brown, obscure, thickly clothed with very short 

 yellow hairs. Head black, clothed with yellow hairs. Eyes 

 brown. Thorax with the lateral angles unarmed ; posterior mar- 

 gin narrowly edged with dull yellow. Coriaceous portion of the 

 elytra with the basal portion very narrowly margined with yellow 

 externally; membrane black, shining, brassy. Margins of the 

 abdomen projecting beyond the elytra, particularly in the female, 

 black, with the edges and a more or less triangular spot on each 

 segment orange. Abdomen beneath reddish brown in the male, 

 with the sides black, the margins spotted with orange as on the 

 upper side ; anal plate very convex, black, with a dark red spot 

 on each side and another at the apex; in the female reddish 

 brown or pitchy, with the margins black, spotted with orange. 

 Breast blackish, with a more or less distinct dull red spot on each 

 side of each segment. Legs blackish ; hinder thighs with an in- 

 distinct red band near the apex, not much thickened in the male ; 

 posterior tibiae in the same sex compressed, rather narrow, with 

 a single spine on the inside towards the apex. Rostrum pitchy 

 brown. Antennae black ; third joint very slightly dilated towards 

 the extremity ; last joint wanting. 



a. . Presented by General Thomas Hardwicke. 



b. . 



