1889.] 



E. T. Atkinson — tlotes on Indian Rhynchota. 



21 



sides at the anterior margin, with a small cavity or hollow ; pectus 

 with a strong ridge, which is more elevated anteriorly, and cut ofE 

 obliquely at its posterior extremity to make room for the ventral spine 

 which is short, scarcely passing the posterior coxse. 



295. MiCRODEDTERUS MEGACEPHALUS, Herr. Sohaff. 



Acanthosoma megacephahmi, Herr. Schaff., Wanz. Ins., viii, p. 5, t. 251, f. 783 

 et B (1848), 5 . 



Microdeuterus megacephahis, Stal, Oefvers. K. V.-A. Forh., p. 640 (1870) ; E^. 

 Hem., V, p. 112 (1876). 



2 . Entirely dark ochreous-yellow ; finely, impressly punctured : 

 base and apex of scutellum red-brown, the base with four yellow spots 

 (sometimes obsolete) : the pronotum somewhat red-brown towards the 

 margin and in the middle : spots on the posterior part of segments of 

 the connexivum and its posterior prolongation, brown with a violet 

 tint : beneath unicolorous : rostrum reaching the end of the second 

 ventral segment ; the ventral spine extending as far as the base of the 

 first pair of feet (Herr. Schaff.). Stal notes that the rostrum, at least 

 in the , reaches somewhat tlie apex of the third ventral segment : 

 the venter with a median ridge is continued up to the apex of the sixth 

 segment, which, in the middle, is a little shorter than the three preced- 

 ing taken together, and somewhat obtuse-angularly emarginate at the 

 apex : lower margin of the genital segment clothed with long, dense 

 hairs, lateral lobes gradually acuminate. Long, 12 mill. 



Reported from Bengal, Calcutta, Sikkim (mihi). 



296. Microdeuterus dallasi, n. sp. 



Microaeitterm megacephahis, Dallas (nec Herr. Sohaff p), List Hem., ii, p. 300, t. 

 10, f. 4 (1851) : Walker, Cat. Het. ii, p. 390 (1867) : Stil, Oefrers, K. T.-A. Forh., 

 p. 640 (1870) ; En. Hem., v., p. 113 (1876). 



Differs apparently chiefly in the spinose posterior prolongations of 

 the connexivum : these are present, but are much less produced. 

 Reported from N. India. 



Genus Acanthosoma, Curtis. 



Brit. Ent. i, p. 28 (1824) : Dallas, pt, List Hem. i, p. 198, 303 (1851) ; Walker, 

 Oat. Het , ii, p. 392 (1867) : Stil, Oefvers, K. V.-A. Forh., p. 368 (1870) ; (3) p. 39 

 (1872) ; En. Hem., ii, p. 61 (1870) ; v, p. 110, 113 (1876); Distant, Biol. Centr. Am. 

 Ehyn., p. 100 (1879). 



Head punctured, small Or moderate, flat, triangular, gradually 

 narrowed, narrow at the apex, with the tylus longitudinally impressed ; 



