OF NEW ZEALAND. 927 



Coxelus (p- 195)- 



1662. C. grOSSanus, n-s. Oblong, convex, fuscous, with 

 reddish marks, the sides and apex of thorax rufescent, tarsi and 

 antennae red, sparsely clothed with short, yellowish hairs. 



Head apparently covered with flattened tubercles ; eyes small, 

 not prominent. Antenna short, pubescent. Prothorax transverse, 

 deeply emarginated behind the eyes, sides a good deal dilated, well 

 rounded, with a distinct sinuation behind, posterior angles slightly 

 projecting, base bisinuate ; disc depressed on the middle, the sides 

 of the depression a little and unevenly elevated, its sculpture nearly 

 similar to that of the head, without obvious punctures. Elytra 

 oblong, convex, parallel, as broad as widest part of thorax ; each 

 with a short scutellar and two interrupted costae, the inner more 

 prominent behind, the rest of their surface occupied by small 

 tubercular elevations almost arranged in rows. Legs stout ; tibiae 

 setose, intermediate arched externally. 



The sides of thorax, especially near the front, are more strongly 

 dilated or explanated, and more distinctly sinuously narrowed be- 

 hind, than in any other species. 



Length, i^ lines ; breadth, i. 



Dunedin : Mr. T. Chahner. " 



Group— PyCNOMERID.ffi. 



Pycnomerus (p- 208). 



1663. p. arboreus, «-s. Elongate, not parallel, slightly 

 convex, nigro-piceous, scantily clothed with minute, greyish hairs, 

 legs and antennae dark-red. 



Head coarsely punctate, deeply bi-foveate in front, the frontal 

 and lateral margins raised and thickened, eyes prominent and 

 coarsely facetted. Antenna ii -articulate, the terminal joint 

 distinct but narrower than tenth. Prothorax longer than broad, 

 gradually narrowed posteriorly, coarsely punctured, without dorsal 

 impressions. Elytra broader than thorax, their sides a little curved, 

 base slightly arcuate ; strongly punctate-striate, interstices narrow 

 and convex, the fifth and seventh confluent behind the middle, sixth 

 abbreviated, scarcely attaining the middle femora, the third some- 

 what elevated in front. 



Allied to but differing from P. elUpticus in having curtailed sixth 

 elytral interstices. 



Length, if lines ; breadth, f . 



Near Howick. 



Group— ELMID^ . 

 Hydora (p- 672). 



1664. H. nitidaj n-s. Elongate, sub-depressed, shining, 

 bronzed-black, covered with fine, ash-coloured hairs, the two basal 

 joints of antennae and the claws castaneous. 



Head and thorax finely punctured, Elytra striate-punctate, in- 

 terstices narrow. 



