MAZAEREDIA. — XISTRA. 



oa 



Fig. 51. 

 Mazarrcdia lugiihrit 



53. Mazarredia lugubris, sp. nov. 



Dull brownish black. Autenuae slender, 

 placed just below the eyes; eyes narrowed 

 in front, where they are separated by about 

 the width of one of them, the head between 

 slightly convex ; palpi concolorous ; labruin 

 shining black. Pronotum nearly as long as 

 the wings, finely granular, rugose hind- 

 wards, with no lateral carinse, the middle 

 carina well-marked in front, and regularly 

 but shallowly undulated behind. Hind 

 femora on the inner side rufous brown, 

 smooth ; on the outer side with a raised 

 carina dividing the central area into two 

 nearly equal parts; hind tibiae with short 

 spines above and very strong terminal 

 spines. 



Length 16 mm. 



India. 



T'ljije in the British Museum. 



Genus XISTRA. 



Xistra, BoUvar, Ann. Soc. Ent. Belg-. xxvi, 1887, pp. 186, 194, 242 ; 

 Brunner, Ann. Mus. Genova, xxxiii, 1893, p. 242; Hancock, ben. 

 Ins., Orth. Tetrig. 1906, pp. 32, 4o. 



Type, Xistra gogarzea, Bol. 



Ilanc/e. The Oriental Eegion. 



Head moderately depressed; vertex usually depressed, with 

 oblique carinae more or less compressed in front, and slightly con- 

 verging behind, often acutely produced; eyes higher than the 

 vertex" face oblique, frontal costa forked behind the eyes, the 

 branches slightly diverging in front ; slightly compressed and 

 elevated between the antennae ; antennae inserted scarcely 

 before the eyes, long and fihform ; palpi not dilated._ Pronotum 

 narrow, truncate in front, with a long process behind, humeral 

 angles obtuse ; hinder angle of the lateral lobes slightly, if at all, 

 produced outwards, narrow, snbrotund-truncate. Tegmma ovate ; 

 wings perfectly developed. Legs long, front femora compressed, 

 carinate above, hind tibia? towards the tip not, or slightly, ex- 

 panded, carina; sparingly dentated ; first joint of hind tarsi nearly 

 equal to, or slightly longer than, the third. 



Ketj to the Sjyecies. 



Vertex with an acute spine on each side stylata, Ilauc. 



Vertex simply carinate duhia, Brunn. 



