232 Alhani/ Museu)n Records. 



Herksiarchtxi. 



Macrojjhdtnns, gen. nov. 



Metcithoi-ax short, witlii a steep slope behind ; areohi hti'ge, 

 defined all round, slightly longer than broad, transverse at the base 

 and apex, the sides bulging slightly outwardly : from its sides keels 

 run round the sides of the apical slo[>.e : another keel runs from 

 the base, inside the spiracles to tiie apex of the segment. 

 Spiracles large, fully ?> times longer than wiile. The whole 

 segment rugose. Scutelluui roundl}' convex, I'oundly sloped at 

 the base and apex, iiot keeled. Antenna? stout, tapering towards 

 the apex, about half the length of the body. Apex of clypeus 

 transverse. Face swollen in the middle, but not much. Labruui 

 hidden. Teni]tles wide, slightly obliquely', roundly narrowed. 

 Occiput roundh' incised. Malar space as long as the antennal 

 scape. GastractBli longish, narrow ; they are united by a trans- 

 verse furrow at the base ot the segment. Areolet large, ."i-angied ; 

 the disco-cubital nervure is indistincth' broken : the transverse 

 median nervure is received shortly beyond the transverse median. 



The apical keel on the nietanotum is dilated in the middle at 

 the sides, forming blunt teeth. The ventral keel is on segments 

 2 and 3. Ti!)ice and tarsi spinose. 



Macrophatnus rafipes, sp. nov. 



Black, the legs, excert the coxa3 and trochanters, and abdomen 

 red : the antennte of a jjaler, more testaceous red : the scape 

 vellow in the middle below. The inner orbits yellow from the 

 antenna?, the line becoming wider below, and bordered on the 

 innerside with dark rufous, there being also a rufous mark in the 

 centre of the face. The sides of the clypeus with an oblique yellow 

 mark above : the part betw^een these black ; the apex is rufous. 

 Thorax closely and distinctly, the median segment closely rugosely 

 punctured. Apical slo})e of scutellum and the post-scutellum 

 yellow. Post-i)etiole strongly, but not closely punctured; there 

 is a transverse yellow^ mark on the apex. The front ocellus is 

 laro'e more prominent and brighter-colouerd than the posterior. 



