188 HEMIPTERA. 



basal joint shortest, not reaching the middle of the lateral mar- 

 gin of the head; second joint longer than the third, about equal 

 to the fourth and fifth. Rostrum inserted considerably in front 

 of the insertion of the antennae, reaching the base of the abdo- 

 men ; basal joint reaching the base of the head ; second joint 

 longest; third very little longer than the fourth. Body ovate. 

 Thorax with its anterior angles produced forwards, and somewhat 

 acute ; its anterior margin deeply emarginate in the centre. 

 Scutellum of the usual form. Membrane with longitudinal ner- 

 vures. Abdomen with a strong central furrow. Prosternum 

 with a broad central canal, formed by two slightly elevated lon- 

 gitudinal ridges. Legs moderate ; tarsi short, three-jointed. 



1 . TRACHYOPS australis, n. s. PL VII. fig. 1. 



T. supra fuscus, punctatus, punctis nonnullis, thoracis lateribus, 

 scutellique apice, fulvis ; abdominis marginibus fulvo nigroque 

 variis ; corpore subtus, pedibusque fulvis, his nigro-fasciatis ; 

 antennis nigris, articulo basali fulvo. $ . 

 Long. lin. 4f . 



a. New Holland. Presented by the Entomological Club. 



Genus 31. BROCHYMENA. 



Cimex, p., Fab. Ent. Syst. iv. (1794). 



Halys, p., Fab. Syst. Rh. (1803); H. Sch. Wanz. vii. (1844). 



Brochymena, Am. $ Serv. Hem. 106 (1843). 



1. BROCHYMENA arborea. 



Pentatoma arborea, Say, Journ. Ac. Nat. Sci. Phil. iv. 311. 1 



(1824). 

 Halys erosa, H. Sch. Wanz. v. 70. t. 166. fig. 515 (1839) & vii. 



56 (1844). 



a. St. John's Bluff. Presented by E. Doubleday, Esq. 



b. Mexico. 



c. . From Mr. Children's Collection. 



2. BROCHYMENA quadripustulata. 



Cimex quadripustulatus, Fab. E. S. iv. 100. 81 (1794). 

 Halys quadripustulata, Fab. S. R. 182. 9 (1803) ; H. Sch. Wanz. 

 vii. 57. t. 234. fig. 729 (1844). 



3. BROCHYMENA serrata. 



Halys serrata, Fab. S. R. 181. 2 (1803); Wolff, Ic. dm. 184. 

 1. 18. fig. 178 (1811) ; Pal. Beauv. Ins. 187- Hem. pi. 11. fig. 8. 



