104 



HEMIPTERA. 



Genus 15. EUTHYRHYNCHUS, n. g. 



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



$ Syst. Rh. (1803). 

 Asopus, p., Burm. Handb. ii. (1835) ; H. Schaff. Wanz. iv.(183J 



& vii. (1844). 

 Asopus, Am. 8f Scrv. Hem. 83 (1843). 



1. EUTHYRHYNCHUS floridanus. 



Cimex floridanus, Linn. S. N. i. 719. 26 (1768); Fab. E. S. 



iv. 96. 67 (1794) $ S. R. 158. 17 (1803). 

 Asopus floridanus, Burm. Handb. ii. 380. 8 (1835) ; H. SchdJ 



Wanz. iv. 102. t. 143. fig. 450 (1839) & vii. 112 (1844) ; An 



8f Serv. Hem. 84. 1 (1843). 



a. Central America. From Mr. Children's Collection. 



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



c. Columbia. 



d. Venezuela. From Mr. Dyson's Collection. 



2. EUTHYRHYNCHUS punicus. PI. II. fig. 1. 



Cimex punicus, Linn. S. N. i. 719. 31 (1767); Fab. E. S. iv. 



97. 71 (1794) # S. R. 159. 20 (1803). 

 Asopus trivittatus, H. Sch. Wanz. iv. 103. t. 143. fig. 451 < 



(1839) & vii. 112 (1844). 



a. Mexico. Presented by the Entomological Club. 



b. Mexico. From M. Hartweg's Collection. 



c. Mexico. 



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



Genus 16. MECOSOMA, n. g. 



Head somewhat narrowed and rounded in front, central lobe 

 as long as the lateral. Eyes globose, rather prominent ; ocelli 

 small. Antennae with the second joint a little longer than the 

 third, which is equal to the fourth ; fifth shorter. Rostrun 

 reaching the intermediate coxae, not very thick ; second joint 

 longest, first, third and fourth about equal. Body elongate 

 Thorax with the antero-lateral margins straight, lateral angle 

 subprominent. Scutellum long and narrow. Membrane of the 

 elytra with eleven nervures. Ventral spine very long, reaching 

 the anterior coxse, with the apex compressed, pointed, and slightly 

 turned up. Sternum slightly keeled. Anterior thighs unarmed ; 

 anterior tibiae simple. Tarsi of three joints ; basal and apic 

 joints about equal. 



Rhaphigaster, p., H. Schaff. Wanz. viii. (1845). 



