Species of New-Zealand Coleoptera. 343 



the middle, moderately curvedly narrowed anteriorly, with 

 fine distinct margins ; the disk a little convex, its median 

 groove distinct but not attaining the apex, basal fossse well- 

 marked and nearly duplicated, and extending inwardly 

 towards the middle, there is an obtuse carina between each 

 and the outer margin, the whole basal region is distinctly 

 punctured ; posterior angles exactly rectangular. ScuteUuin 

 smooth. Elytra broadly oval, with explanate margins, which, 

 however, become indistinct near the extremity ; their sutural 

 two stria?, on each, are well marked and finely punctured, 

 the others are finer and become obsolete near the sides and 

 base, third interstices tripunctate, the posterior carina rather 

 fine. There is a transverse series o£ four punctures near the 

 extremity of the last ventral segment. 



Keadily distinguishable from O. nigritulus by the quadrate 

 and obviously punctured thorax, much less convex eyes, deep 

 elongate frontal impressions, and from all the other species 

 by the flavescent antennae with the rather slender basal 

 articulation. 



? . Length 2| ; breadth 1\ lines. 



Wadestown and Palmerston North (Mr. G. V. Hudson) 

 One. 



Oopterus sculpturatus, sp. n. 



Suboblong, moderately convex, shining, piceous ; the head 

 and the suture and margins of elytra rufo- piceous ; legs in- 

 fuscate red ; the palpi, tarsi, and basal two joints of antennas 

 rufo-testaceous, remaining joints fusco-rufous. 



Head (the large but not very prominent eyes included) 

 as broad as front of thorax, ovate ; the frontal impressions 

 though elongate are not well defined, owing to the gradual 

 outward slope of the head. Thorax rather short, about a 

 third broader than it is long, widest near the middle, 

 moderately strongly rounded, rather gradually narrowed 

 behind ; posterior angles straight, not acute, but, nevertheless, 

 appearing slightly prominent, reddish, with a rather coarse 

 setigerous puncture, the seta itself yellow and unusually 

 conspicuous ; base truncate, apex slightly incurved ; the dis- 

 coidal sulcus not abbreviated but more slender at the 

 extremities, basal fossse large and transverse, disk moderately 

 convex, with feebly impressed indistinct striae across it. 

 Elytra broadly oval, about a third broader than the thorax in 

 the middle, with well-developed lateral margins and channels ; 

 each elytron has a well-marked scutellar stria, the sulci 

 nearest the suture are rather deep and relatively rather dis- 

 tinctly punctured, those near the side become finer, none, 



24* 



