Genera and Species of Ilymenoplera, 207 



covered with sliort stiff black liair; a band of ten joints 

 beyojul tlie middle white, sjiotted with black above. The 

 face and clypeus are closely and strongly punctured, covered 

 with short white hair ; the lower part of the front smooth 

 and shining, the upj)er part and the vertex strongly and 

 closely obliquely striated. The inner orbits above are 

 narrowly bordered with yellow to the end of the vertex ; the 

 lower half of the outer one more broadly yellow. Mandibular 

 teeth large, triangular, deep black. On the thorax is a 

 narrow line on the pronotum, the tegulaj, a mark on the apex 

 of the middle lobe of the mesonotum, tlie scutellum (except 

 the sides at the base), the scutellar keels, postscuteiluin, and 

 the sides of the apex of the median segment yellow, the yellow 

 united at the top l)y a narrower line; the lo-ver edge of the 

 prophnirai, the tulxM'cles, a broad irregular band on the lower 

 side of the mesopleur«, a large curved mark behind the hind 

 wings, an irreguhir mark (longer than broad) on the middle 

 of the meta[)leurje and the mesosternum, lemon-yell )\v. 

 Mesonotum closely and strongly punctured; the paiapsidal 

 furrows narrow and nearly complete. Scutellum and post- 

 scuteilum smooth and shining. The base of the median 

 segment closely rugosely punctured, the rest closely and 

 strongly reticulated, the middle with the reticulations more 

 irregular and more widely separated ; the basal transverse 

 keel is stout and curved backwards in the middle, the second 

 is not so clearly defined ; the spines are blunt and incon- 

 spicuous. The upper part of the propleuraj closely punctured ; 

 the central and apical portion with large slightly curved 

 keels. Mesopleurie closely punctured, the upper part in the 

 middle striated ; the apex with a large smooth space. Meta- 

 pleura? coarsely and closely punctured, running into oblique 

 striations behind. Mesosternum closely punctured, the central 

 furrow narrow, triangularly dilated behind, and black ; the 

 lateral furrows do not extend much beyond the middle ; it is 

 black, and there is a black mark on its outer side, which is 

 gradually narrowed towards the apex. The front legs are 

 pallid fulvous, the coxai and trochanters pallid yellow ; tlie 

 basal joint of the tarsus is as long as the tibiaj, the entire 

 tarsus is more than twice its length ; the middle legs simi- 

 larly coloured ; the hinder coxa3 closely punctured, black 

 above (except the base on the inner side) ; the trochanters 

 are darker and are broadly marked with black at the base 

 and more narrowly at the apex ; the apical fourth of the 

 femora and a narrower band on the apex of the tibii^ black; 

 the tarsi pallid yellow and thickly spinose ; the claws are 

 black. Areolet minute, narrow, twice longer than broad, 



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