TESSABATOMA. 257 



Division TESSARATOMAIUA. 



Tessaratomina, Stdl, En. Hem. i, p. 60 (1870). 

 Tessaratomai'ia, Horv. Termesz. F'dzetek, xxiii, p. 339 (1900). 



Metasternum much elevated aud freely produced forward ; 

 seutellum distinctly produced behind the fr^na, the produced 

 part triangular or spatulate ; pronotum posteriorly produced at 

 base of seutellum. 



Synopsis of Genera. 



A. Posterior margin of ])ronotum strongly pro- 



duced over base of seutellum Tessarotoma, p. 2-57. 



B. Posterior margin of pronotum slightly pro- 



duced over base of seutellum. 



a. Head small, about as long as broad. 



a. Posterior margin of pronotum straight. . Hypencha, p. 260. 

 h. Posterior margin of pronotum convex . . Pygoplatys, p. 261. 



b. Head long, about twice as long as broad . , Ajiissus, p, 262. 



Genus TESSARATOMA. « 



Tessaratoma Lepell. S; Serv. Encycl. Meth. x, p. •'390 (1826) : StdL 



Hem. Afr. i, pp. 224 & 229 (1864). ' 



Tesseratoma, Latr. ICegne An. v, p. 195 (1829). 



Type, T. impilJosu, Drury. 



Distribution. Oriental and Ethiopian Regions. 



Head small, rounded at the apex, the lateral lobes longer than 

 the central lobe and meeting beyond it; ocelli placed near the eyes ; 

 antenna3 four-jointed, somewhat short and stout ; rostrum short, 

 extending to about the middle of the mesosteruum ; pronotum 

 produced posteriorly over the base of the seutellum ; apex of 

 seutellum scarcely covering the anterior basal angle of the mem- 

 brane ; corium M'ith the apical margin rounded to\^ards the exterior 

 apical angle ; membrane with the veins forming several areolets or 

 cells at base ; prosternum more or less anteriorly dilated, sinuate 

 behind the eyes ; mesosteruum \\\t\\ a robust ridge ; metasternum 

 considerably elevated, the elevation sinuated posteriorly, the 

 anterior portion narrowed and extending to the anterior coxse ; 

 second abdominal segment elevated in the middle into an obtuse 

 tubercle which touches the base of the metasternal elevation ; 

 femora usually spinous beneath ; tibiae furrowed above ; tarsi three- 

 jointed. 



404. Tessaratoma nigripes, Dall. List Hem. i, p. 341 (18.51). 



Tessaratoma javauica, var. nigripes, Voll. Faun. hid. Neerl. iii, p. 26 

 (1868). 



Ochraceous or brownish-ochraceous ; head with the luargius 

 narrowly black ; lateral margins of the pronotum rounded, broadly 

 reflexed ; apex of seutellum hollowed and black ; membrane bronzy 

 ochraceous : body beneath \\i\.]\ the abdomen pale castaneous, 



VOL. I. s 



