452 Mr. John Scott on certain 



? . Abdomen nigrum, segmentorum marginibus pos- 

 ticis anguste rufis ; genitalia prteter exiguam baseos par- 

 ticulam, abrupta, micle fit ut laminarum mensura aesti- 

 mari baud queat. Abdomen etiam nimis in rugas dessi- 

 catum. Exemplar unicum. 



? . Dirty pale yellow, more or less suffused with red- 

 dish or brownish red. Head : crown dirty pale yellow, 

 somewhat reddish in the middle, and with a few minute 

 brownish red sjjots, twice as broad between the eyes as 

 the length down the centre ; posterior margin almost 

 straight ; sides produced into a short, stout, triangular 

 tooth in front of the eyes ; anterior margin slightly con- 

 cave or angulate, angles rounded, scarcely as broad as 

 the length down the centre, disc flatfish concave, except 

 the margins, terminating a little way within the anterior 

 one, which appears as if slightly thickened. Face lobes 

 pale yellowish white, ribbon-shaped, width equal to about 

 half the length of either. Antennae reddish yellow ; 1st 

 and 2nd joints stout, red ; 3rd stouter than 'the re- 

 mainder, slightly tapering from the base to the apex ; 

 4th about one-sixth longer than the 3rd ; 5, 6, 7 sub- 

 equal, slightly fuscous, except the base of the 5th ; 8, 9, 

 10 wanting. Ocelli three, the frontal one scarcely visible 

 from above. Thorax : pronotum dirty pale yellow, with 

 a reddish tinge, narrow, with a transverse channel almost 

 extending from side to side ; lateral margin terminating 

 about in a line with the inner margin of the eyes ; 

 anterior margin convex, posterior margin straight ; meso- 

 notum convex, dirty pale yellow, suflused with reddish ; 

 width across the insertion of the elytra scarcely so great 

 as the head and ej^es together ; scutellar portion yellow. 

 Elytra elongate, apex acute, clear, almost transparent ; 

 length about three times greater than the breadth ; inner 

 marginal nerve of the costal basal cell yellowish ; apex 

 black ; stigma wide at its base ; length, measured on the 

 marginal nerve, about equal to the distance from the 

 apex, measured similarly; radius long, terminating in the 

 apex, convex towards the costal margin throughout its 

 whole length, except at the base ; cubital nerves black 

 at the base, from the furcations red ; arm of the upper 

 furcation scarcely as long as the furcation' measured 

 through the centre ; petiole a little longer than the lower 

 arm ; distance between the apices of the branches of the 

 lower arm about equal to the length of the petiole ; round 

 the apex a broad brown band, ll3roadest on the : os 



