114 Mr. P. Cameron on Neto Specks 



the centre is an area bounded by two stout keels, wide at the base, 

 gradually, but not much, narrowed towards the apex ; the basal 

 transverse keel stout ; the middle and apex of the segment strongly 

 reticulated, especially at the apex. The apex of the propleurjc 

 covered closely with curved keels, the apical half in the middle with 

 some stout, clearly separated oblique keels ; the meso- stoutly ob- 

 liquely striated, the lower part with the stria? closer ; the meta- at 

 the base finely obliquely striated, the apex more stoutly and with 

 the stria? running into reticulations. Abdominal petiole smootli, 

 almost impunctate ; the other segment opaque, closely punctured. 



Mesostenus misippus, sp. nov. 



Black ; the 7th to 14th joints and the scape of the antennae beneath ; 

 the orbits broadly all round, an irregular mark on the face above 

 the middle, the clypeus, except its oblique apex, labrum, palpi, and 

 mandibles, except at the apex, white ; a narrow line on the pronotum, 

 a diamond-shaped mark on the mesonotum at the apex, a small line 

 opposite the teguh«, the scutellums, a line following the outline of 

 the upper-side of the apex of the metanotum to shortly below the 

 spines, the lower edge of the propleura?, the tegulte, a small and a 

 larger mark immediately below the hinder wings, a large line on the 

 lower-side of the mesopleurse, irregularly curved upwards at the 

 apex, a large oblique mark slightly narrowed above, on the centre 

 of the metapleursB, and all the abdominal segments at their apices, 

 yellow. Legs rufo-fulvous, the four front coxa? and trochanters 

 yellow ; the hinder coxse black at the base above and more widely 

 at the apex below ; the basal joint of the trochanters black above, 

 the hinder tarsi white, the base fulvous, the apical joint black. 

 Wings hyaline. $ . 



Length 12 ; terebra 2 mm. 



Face closely punctured and closely covered with short white 

 pubescence ; the vertex and front strongly and closely obliquely 

 striated ; the sides of the front depressed, the depression somewhat 

 triangular, finely and closely striated on the outer-side. Mesonotum 

 closely punctured, thickly covered with short white pubescence, the 

 base of the middle lobe obscurely transversely striated ; scutellums 

 smooth. Median segment behind the keel finely rugose, in front of 

 it, in the centre, irregularly reticulated, the rest closely rugosely 

 punctured ; the spines broad, rounded at the top. Propleurio strongly 

 and closely striated except on the top and bottom ; the meso- finely 

 rugose, below the tubercles finely striated ; the meta- finely rugose, 

 and obscurely obliquely striated. Abdominal petiole aciculated. 



Agrees closely with M. respondcns; it is more slender, 



