HEMIPTERA. 463 



16. SERINETHA seola, n. s. 



S. precedent! affinis, pallide ochracea, punctatissima, punctis 

 numerosis nigris notata ; thoracis marginibus coccineis ; pedi- 

 bus antennisque fuscescentibus. $ . 

 Long. lin. 5|. 



Above pale ochreous, very tbickly and minutely punctured, 

 and covered with numerous large blackish points. Membrane 

 brownish, semitransparent, with several brown points. Body 

 beneath of the same colour as the upper surface, covered with 

 brown points. Legs brownish testaceous. Rostrum brownish 

 testaceous, reaching the second segment of the abdomen. An- 

 tennae brown. 



a. Mexico. Presented by E. P. Coffin, Esq. 



17. SERINETHA haematoloma. 



Leptocoris haematoloma, H. Sch. Wanz. viii. 102. t. 284. f. 873 

 (1847). 



a. Columbia. 



Genus 6. LYBAS, n. g. 



Head rather long, pointed, with the central lobe passing the 

 lateral. Eyes prominent, globose, situated at some distance from 

 the back of the head. Ocelli rather distant. Antennae about as 

 long as the body, inserted towards the apex of the head, rather 

 slender, four-jointed; basal joint longer than the head; second 

 joint longest ; third joint about as long as the first ; fourth short- 

 est. Rostrum long and slender, reaching the third ventral seg- 

 ment, with the joints nearly equal in length, or with the first 

 joint shorter. Body oblong. Abdomen very thick, especially at 

 the apex, and with a more or less distinct central furrow. Legs 

 moderate; thighs unarmed; tarsi with the basal joint as long as 

 the second and third together, second shortest. 



1. LYBAS obscurus, n. s. PI. XIV. fig. 2. 



L. fuscus, vel niger, obscurus, punctatus ; elytris puncto medio 



flavescenti, membrana fusca. $ ? . 



Long. $ lin. S, ? lin. 10. 



Dark brown or black, obscure, covered with dull brown punc- 

 tures. Elytra with a small dull yellow point at the middle of 

 the apical margin of the coriaceous portion ; membrane brown. 

 Abdomen with a round smooth spot on each side of the three 

 last segments. Legs concolorous with the body, with the tibiae 

 and tarsi paler. Rostrum dark brown, with the two apical joints 



