HEMIPTERA. 21 



strongly sinuated. Rostrum not reaching beyond the second 

 segment of the abdomen, second joint longest. Antennae about 

 as long as the head and thorax together, rather slender, 5-jointed, 

 second joint shortest, fourth longest, third and fifth about equal, 

 longer than first. Body elongate, broadest in front. Thorax 

 destitute of transverse furrow, longer than broad, very convex at 

 the base, where it is higher than the scutellum. Abdomen convex, 

 second segment with a distinct furrow. Legs moderate. Tarsi 

 of three joints, of which the basal one is equal to the others 

 together. 



Tetyra, p., Fab. S. R. (1803). 



Scutellera, p., Latr. Gen. iii. 112 (1807); Lam. Hist. Nat. iii. 



491 (1816). 

 Callidea, p., Burm. Handb.il (1835); Germ. Zeits. i. (1839); 



Am. $ Serv. Hem. 31 (1843). 



1. LIBYSSA signata. 



Cimex signatus, Fab.E. S. iv. 80. 4 (1794); Wolff, Ic. dm. 91. 



t. 9. fig. 85(1802). 



Tetyra signata, Fab. S. R. 129. 7 (1803). 

 Scutellera signata, Lat. Gen. iii. 112. 1 (1807); Pal. Beauv. 



Ins. 232. t. 5 B. figs. 1, 2 (1805) ; Lam. Hist. Nat. iii. 492. 

 ' 6(1816). 

 Callidea signata, Burm. Handb. ii. 394. 4 (1835); H. Schaff. 



Wanz. iii. 98. t. 105. fig. 323 (1836) ; Germ. Zeits. i. 119. 18 



(1839). 



a. Gambia. From Mr. Kendall's Collection. 



b. Senegal. Presented by Francis Walker, Esq. 



c. W. Africa. Presented by Edward Doubleday, Esq. 



2. LIBYSSA duodecimpunctata. 



Cimex 12-punctatus, Fab. E. S. supp. 527. 5 (1798); Coqb. 



III. i. 36. t. 9. fig. 7 (1799). 

 Tetyra 12-punctata, Fab. S. R. 132. 16 (1803). 

 Callidea duodecimpunctata, Germ. Zeits. i. 120. 20 (1839) ; H. 



Schaff. Wanz. v. 83. t. 172. fig. 530 (1839). 

 Callidea examinans, White, Ent. Trans, iii. 85 (1842). 



a. Africa. 



b. Madagascar. Presented by M. Guerin-Meneville. 



c. Nubia. Presented by Charles Lamb, Esq. 



d. Cape of Good Hope. Presented by Dr. Burchell. 



e. S. Africa. Presented by Dr. Andrew Smith. 



