328 



Mr. W. L. Distant's Rhjncliotal Xutes. 



passes the posterior angle of the iniiev tegminal margin ; 

 scutellum a little longer than broad, the apex slender and 

 recurved ; tegaiina about three times longer than broad, 

 apical cells four, preceded by three subapical cells ; legs 

 elongate. 



Amitrochates yrahami, sp. n. 



Head, pronotum, and scutellum shining black, a small 

 greyish-white spot at each basal angle oP the scutellum, a 



Amitrocliafes (/ralnDni, JJif-t. 



similar spot on each lateral margin of the pronotum, and 

 another spot near insertion of tegmiua ; legs black, til)iai 

 and. tarsi ochraceous, bases of the tibiae black ; abdomen 

 more or less greyish white ; tegmina pale hyaline, the basal 

 area black, venation brownish ochraceous, a transverse 

 linear spot at posterior angle of inner tegminal margin, and 

 a marginal costal spot beyond middle pale brownish ; pro- 

 notum thickly, somewhat coarsely punctate, {)Osterior pro- 

 notal i)rocess with the upi)er and lower margins irregularly 

 coarsely serrate ; other structural characters as in generic 

 diagnosis. 



Long., inch tegni., 5 mm. 



Hab. Ashanti; Oh\\?i^\ {Dr. W. M. Graham). Gold Coast; 

 Aburi (//'■. H. Patterson). 



Genus Tricentrus. 



Tricentrus, Stfil, Hem. Afr. iv. p. 89 (1866); (Efv. Vet.-Ak. Furl). 



1869, p. 283; /. c. 1870, p. 728; L)ist. Fuim. Brit. India, iv. p. o3 



(1907). 

 Otaris, IBuclit. Monofjr. Membrac. p. 249 (1903). 

 Tahnpa, Buckt. Trans. Linn. Soc. Lond. ix. p. 334 (1905). 



Tricentrus nuritus. 



Otaris auritus, Buckt. Monogr. Membrac. p. 249, pi. lix. fig. 1 a (1903) ; 

 Schmidt, Zool. Anz. xxxviii. p. 242 (1911). 



Hab. Sumatra. 



