HEMIPTERA. 6 



Scutellerites, Laporte, Hem. 66 (1832). 

 Pentatomites-Scutelleroides, Spinola, Hem. 357 (1837). 

 Schildwanzen, Germar, Zeits. i. 1 f 1839). 

 Orbiscuti, Am. Sf Serv. Hem. 23 (1843); Sahib. Geoc. Fenn. 14 



(1848). 

 Scutellerae, Kolenati, Mel. iv. 3 (1846). 



Fam. 1. PACHYCORID^E. 



Thorax more or less hexagonal, its lateral angles being di- 

 stinctly marked. Head produced, forming a triangle with the 

 prothorax. Lateral lobes of the head not passing the central 

 one. Eyes sessile. Scutellum covering the whole of the elytra, 

 except a small portion of the base of the outer margin. Elytra 

 straight, not folded in at the base of the membrane. 



Scutellerides and Pachycorides, Am. fy Serv. Hem. (1843). 

 Praanguli, p., Amyot, Ann. Soc. Ent. Fr. 2 me ser. iii.401 (1845). 



TABLE OF GENERA. 



I. Antennae 3-jointed .... 4. AUGOCORIS. 

 II. Antennae 4-jointed .... 10. TETRARTHRIA. 

 III. Antennae 5-jointed. 

 A. Second joint of the antennae 

 shorter than the third. 



a. Breast with a central canal. 



1. Thorax produced behind over the 



base of the scutellum 1. COLEOTICHUS. 



2. Thorax not produced, truncated 



behind 2. SOLENOSTHEDIUM. 



b. Breast not furnished with a canal. 



1 . Head with the upper surface nearly 

 even ; the anterior portion continu- 

 ous with the vertex, 

 a. Head elongate, narrowed gra- 

 dually towards the front, lateral 

 margins nearly straight. 



* Body ovate, scutellum rounded 



at apex 6. TECTOCORIS. 



t Body elongated, scutellum 



truncated 7- CANTAO. 



]8. Head shorter and broader, with 

 the apex rounded and the lateral 

 margins sinuate d. 



* Abdomen not furnished with 

 silky spots on the penultimate 

 and antepenultimate segments. 



B-2 



