8 P- Camoron. 



base aud apex with a short keel. VViugs dark fiiscous-viola- 

 ceous, paler at the base; the 2>"l cubital cellule at the top 

 is longer t hau the 3i'l. Legs black; the spurs white; the 

 tarsal spities rufons. Abdomen black; the apex of the 1^^ 

 and the whole of the 2"<l and 3i'l segments ferrnginous; the 

 l'^t segmeut is coarsely puactared; the 2»'l is almost impunc- 

 tate and has an oblicpie slope on the basai and apical halves; 

 the last segment is closelj pimctured, except in the middle, 

 where it is smooth ; the smooth part becomiug gradually 

 wider towards the apex; beneath are two stout, convergiug 

 keels. The ventral keel is slightly dilated at the apex. 



Has the size and colouration of 21. sceva, but is easily 

 separated by the elypeus not beiug toothed and by the large 

 area ou the median segment. 



3. M. tiza s[). nov. cT- 



Black, the basai 2 segments of the abdomen ferrnginous, 

 the wings fuscous-violaceous ; the ventral keel almost straight ; 

 the area on the median segment keeled in the middle. — 

 Loug: 13—14 mm. 



Hab. Khasia Hills. (Coll. Rothney). 



Hend rngosely i)unctnrcd and thickly covered with grey 

 hair. Clypeus depresred, its apex transverse; the base of the 

 inaudibles thickly covered with long grey hair; rufons liefore 

 the apex. Frouotum rngosely pnnctured, thicldy pubesceut; 

 the ajjpx with a band of depressed pubescence. Mesouotum 

 coarsely rngosely punctured and covered with stifï black 

 pubescence. Scutellum coarsely and closely rugose aud sparsely 

 covered with long fuscous hair. The post-scutellnm is simi- 

 larly punctured and haired. Median segment reticnlated: its 

 basai area is not quite in length twice the width of the base; 

 it is uarrowed towards the apex; the keels on the apical part 

 beiug curved iuwardly; in the centre is a more or less 

 distinct longitudinal keel. Proplenrae almost sniooth ; iu the 

 centre is a stout, oblique keel. Mesopleurae punctured, but 

 not deeply iu the centre; deusely covered with a silvery pile 

 and more sparsely with long white hair. The apex of the 

 metapleurae irregularly reticulated. Wings fuscous-violaceous, 

 slightly paler at the base; in the l^^t cubital cellule is au ob- 

 lique hyaline cloud; the 2"^ cubital cellule above is distiuctly 

 longer than the 3i'd. Abdomen black, the 1^^^ and 2i"l segmeuts 

 ferrnginous; the ventral kfel black, almost straight; the L^< seg- 

 ment above is moderately thickly covered with long white 

 hair; the 2'|<^1 is gradually rounded from the base lo the apex; 

 the middle segmeuts are friuged with white hair: the apical 

 thickly cpvered with stiff black hair; the pygidinm lias q- 



