HEMIPTERA. 557 



3. HETEROGASTER Salviae. 



Heterogaster Salviae, Schill. Beitr. i. 85. 2. t. 3. fig. 3 (1829) ; 



Burm. Handb. ii. 293. 2 (1835); H. Sch. Cont. Panz. F. G. 



135. 16. $ Norn. Ent. i. 46 & 81 (1835). 

 Neggechus, Amyot, Ann. Soc. Ent. Fr. 2 me ser. iv. 105. 163. 



a. S. of France. Presented by Francis Walker, Esq. 



b. Switzerland. Presented by Dr. Dowler. 



Genus 6. LETH^EUS, n. g. 



Head rather small, triangular. Eyes rather small ; ocelli rather 

 small, placed close to the posterior portion of the eyes. Antennae 

 rather more than half the length of the body, of four joints ; 

 first joint nearly as long as the head ; second joint longest ; third 

 about equal to the first ; fourth longer. Rostrum reaching the 

 posterior coxae, four -jointed ; basal joint a little shorter than the 

 head, quite free ; second and third joints about equal in length, 

 longer than the first; fourth shortest. Body oblong-ovate. 

 Thorax trapezoidal. Scutellum rather large. Membrane with 

 four nervures, of which the two inner are distorted near the base 

 so as to touch the inner margin at that part ; the second and 

 third and third and fourth are united near the middle of the disc 

 by a transverse nervure, forming two large basal cells ; across the 

 membrane near the base is a strong transverse fold or crease. 

 Legs moderate ; anterior thighs unarmed ; tarsi three-jointed ; 

 basal joint as long as the other two together ; second joint shortest. 



* First and second nervures of the membrane not united by a 

 transverse nervure. 



1. LETH^EUS africanus, n. s. PL XV. fig. 3. 



L. piceo-niger, punctatus; membrana fusca, nervis luteo-tinc- 



tis. $ . 



Long. lin. 3. 



Black, somewhat shining. Head very minutely punctured, 

 with a minute orange spot on the apex of the central lobe. 

 Thorax thickly and rather finely punctured, with a smooth space 

 near the anterior margin. Scutellum thickly and finely punc- 

 tured. Coriaceous portion of the elytra thickly and finely punc- 

 tured, with a minute orange point on the disc ; membrane brown, 

 with the nervures of the basal cell tinged with yellow. Abdomen 

 beneath smooth and shining, very faintly punctured. Breast 

 thickly and rather strongly punctured. Thighs pitchy black ; 

 tibiae and tarsi pale brown. Rostrum pale brown. Antennae 

 pitchy brown, with the last joint fulvous. 



