HEMIPTERA. 201 



joint black, with the base and apex fulvous ; fourth black, with 

 the base fulvous ; fifth wanting. 



a. N. Holland. Presented by Sir John Richardson, M.D. 



b. N. Holland. From Mr. Dring's Collection. 



Genus 5. EUSCHISTUS, n. g. 



Head with the apex rounded or emarginate ; the central lobe 

 sometimes longer and sometimes shorter than the lateral, but 

 always reaching the anterior margin of the head. Eyes mode- 

 rate ; ocelli small, placed nearer to the eyes than to each other. 

 Antennae about half the length of the body, of five joints ; basal 

 joint rather short and stout, sometimes reaching, but not pass- 

 ing, the apex of the head ; second joint generally shorter than 

 the third, sometimes a little longer ; third, fourth and fifth joints 

 generally about equal. Rostrum reaching the posterior coxae ; 

 basal joint scarcely reaching the base of the head ; second long- 

 est, nearly as long as the third and fourth together ; third and 

 fourth joints about equal, about as long as the first. Body ovate. 

 Thorax with the anterior portion of the lateral margins more or 

 less denticulated ; the lateral angles prominent, sometimes acute 

 or spinous. Scutellum triangular. Membrane with longitudinal 

 nervures. Abdomen and sternum unarmed. Legs moderate; 

 tarsi of three joints, basal joint longest. 



Cimex, p., Linn. Syst. Nat. i. (1767); Fab. Ent. Syst. iv. (1794) 



Sf Syst. R. (1803). 

 Pentatoma, p., Pal Eeauv. Ins. (1805); H. Schaff, Wanz. vii. 



(1844). 



* Antenna with the second joint a little longer than the third. 



1. EUSCHISTUS cornutus, n. s. 



E, griseo-testaceus, subtus obscurior, nigro-punctatus; humeris 

 in cornubus validis, obtusis, rufescentibus productis ; pedibus 

 luteis, nigro-punctatis ; antennis nigricantibus. ? . 

 Long. lin. 4f . 



Short, ovate; above greyish testaceous, rather thickly and 

 finely punctured with blaxk. Head elongated, ferruginous, with 

 the central lobe a little longer than the lateral. Thorax with the 

 lateral margins distinctly denticulated, the lateral angles pro- 

 duced into two strong, obtuse, ferruginous processes, which are 

 directed forwards and a little outwards; the posterior portion 

 has numerous, small, slightly elevated smooth points. Scutellum 

 with a small black dot in each basal angle, and two others at the 

 apex. Membrane of the elytra opaque, with brownish nervures. 



K 5 



