372 GUY A. K. MARSHALL. 



Acythopeus citrulli, sp. nov. (fig. 5). 



Colour uniform dull black, entirely devoid of scaling both above and below. 

 Head very finely shagreened and with, small scattered shallow punctures. Rostrum 

 a,bout as long as the prothorax in the $, strongly curved, rather slender, and slightly 

 dilated above the insertion of the antennae and at the apex, the upper surface closely 

 and strongly punctate to beyond the middle, the punctures on the apical portion 

 rather smaller and more distant, the scrobe continued as a shallow furrow from the 

 antenna to near the apex ; the rostrum of the ^ shorter, more evenly punctate 

 throughout, and less dilated at the middle and apex. Antennae with joint 1 of the 

 funicle equal to 2-4 inclusive, joint 2 about as long as broad, the remainder transverse 

 and slightly widening outwardly, the basal joint of the club a little longer than the 

 rest together. Prothorax about as long as broad, the sides subparallel near the base, 



Fig. o. Acythopeus citrulli, Mshl., sp. n. 



thence rounded and strongly narrowed in front so that the apex is one-third the width 

 of the base, with a distinct apical constriction, the base deeply bisinuate, the median 

 lobe broadly rounded, the dorsum convex, densely and evenly set with large shallow 

 punctures, the intervals between which form a regular raised net-work without any 

 trace of a central line. Presternum with a shallow longitudinal impression in front 

 of the coxae containing two deep foveae placed transversely. ScKtelhmi trapezoidal, 

 the posterior margin being nearly twice as broad as the anterior. Elytra evidently 

 broader at the shoulders than the prothorax and thence narrowed to the apex ; the 

 striae fairly deep and shiny, with the sides sharply cut and containing deep separated 

 punctures throughout, the striae being rather broader and deeper just near the apex, 

 where 9 and 10 unite to form a deep furrow ; the intervals much broader than the 

 striae, plane and finely shagreened, each with an irregular row of very shallow 

 punctures (more or less duplicated near the base) each containing a short recumbent 



