40 HEMIPTERA. 



TETTIGONIA FRONTALIS. 



Plate 16. %. 6. 



Genus. Tettigoni.a, Latreille, Germar. 



Ch. Sp. T. pallida, occipite thoraceque punctis quinque nigris, fronte puncto nigro inter 

 oculos, elytris sanguineis. Epans. alar, fere 1 unc. 

 T. pale, with five black spots on the head and thorax, and one in front between the 

 eyes, elytra red. Expanse of the wings nearly 1 inch. 



Sys. Cicada frontalis, Donovan, ]sf Edit. 



Cicada cseruleipennis ? Fab. Syst. Rh. p. 73. 



FLATA NIGRICORNIS. 



Plate 17. 



Gen vs. Plata, Fabricius. 



Ch. Sp. F. exalbida, alls deflexis, elytris punctis marginis interioris antennisque nigris. 

 Expans. alar, fere 2 unc. 

 F. whitish, with the wings deflexed, the elytra being spotted with black along the 

 posterior margin, antennae black. Expanse of the wings nearly 2 inches. 



Syn. Flata nigricomis, Fabr. Syst. Rhyng. p. 45. 



Cicada limbata, var. Fab. Sp. Ins. 2. p. 322. Donovan, \st Edit. 



This singular insect, and the plant on which it is represented, have an equal claim to 

 attention, both as objects of natural curiosity, and importance in domestic economy. The 

 larva is an elegant and beautiful creature, and China is indebted to its labours for 

 the fine white wax so much esteemed in the East Indies. The plant is not less in- 

 teresting, as it produces the vegetable tallow, in general use throughout the Chinese 

 empire. 



The novelty of these productions could not fail attracting the notice of those learned 

 Europeans who were first permitted to reside in China, and whose object was to promote 

 sciences and arts, as well as the christian knowledge. Both the Wax-insect and Tallow- 

 tree are spoken of in their writings as extraordinary and peculiar advantages to the 

 country. Du Halde, especially in his splendid work I'Histoire de la Chine, treats 

 largely on these productions, in the sections Cire blanche d' Imeclcs et I'arhrc qui porte le 

 suif. His relations are, perhaps, too prolix, but they are evidently the result of attentive 



