r74 COLEOPTERA 



very large, sub-triangular, punctate. Elytra convex, their margins not 

 widened, not greatly exceeding the thorax in width, widest near the 

 base, gradually rounded laterally, with the apices obtusely rounded, so 

 that the pygidium is quite visible ; their surface bears shallow punctures, 

 and they are clothed in the same manner as the thorax. 



Legs moderate, the tibicE a little arched and dilated, but not much 

 angulated at the apex, with the basal tarsal joints dilated. 



The structure of the legs and antennae is similar to that of O. 

 depressa, but the insect is more regularly convex, the sides of the thorax 

 are less rounded and its apex much less emarginated, whilst the scutel- 

 lum is proportionally larger. 



Length, nearly i line ; breadth, scarcely -|. 



I found two individuals near Whangarei Heads. 



Xenoscelis. 



Wollaston. 



I have not succeeded in finding the description of this genus, which 

 was probably published in Mr. Wollaston's work on the insects of the 

 Canary Islands ; but the following cannot fail to lead to the identifica- 

 tion of the New Zealand species, which may occasionally be found on 

 Cyathea dealbata. 



312. X. prolixuS, Sharp ; Entom. Mon. Mag., July, ^^^b, p. 26. 

 Tarsis latis, breviusculis, articulo quarto obtecto. Eloiigatus, depressus, 

 fusco-ferrugineus, sat nitidus, tenuiter pubescens, antennis pedibusque 

 crassiusculis ; crebre punctatus. 



Long. Corp., 42 -5 i mm. 



Of peculiarly elongate, depressed, sub-parallel form. Antenme stout, 

 reddish, with the club more obscure ; in structure like those of Crypto- 

 phagi/s, first joint almost globular, second short and stout, third not 

 elongate but longer than the contiguous joints, fourth to eighth similar to 

 one another, bead-like, ninth and tenth transverse, eleventh rather large. 

 Head rather closely and coarsely punctured, the eyes but little promi- 

 nent. Thorax distinctly longer than broad, nearly straight at the sides, 

 very slightly narrowed behind, the side margin in front of the hind 

 angles with a minute acute denticle, and the hind angle itself minutely 

 acute ; the surface is rather coarsely but not densely punctured, so that 

 the interstices between the punctures are shining, it bears a fine and 

 scanty pubescence, is flattened along the disc, and indistinctly bi- 

 impressed. Elytra very elongate, bearing rows of distinct but not very 

 coarse punctures, the punctures bear a fine hair. Uiider-siirface dark- 

 reddish, very finely and scantily pubescent. Legs stout, reddish ; the 

 tibicE short, thickened towards their extremity, and curved ; the tarsi 

 short, the three basal joints short and stout, and very pubescent beneath, 

 the third joint deeply emarginate, so that the short and small fourth 

 joint is entirely concealed, and can only be detected on a careful 

 examination ; fifth joint short. 



