1034 COLEOPTERA 



impunctate. except that there is a space along each side clirill, obso- 

 letely punctate, and bearing some white pubescence. Scutellum 

 elongate. Hind-body rather closely and finely punctate, \Yith scanty 

 white pubescence. Underside of head and neck red ; at each side 

 behind the eye there is a dull punctate space bearing white hairs. 

 Legs black, griseo-pubescent. Underside of hind-body rather obso- 

 letely punctate, with some coarse numerous punctures irregularly 

 placed on each segment. The male has a deep incision on the last 

 ventral plate, and an emargination of the hind margiii of that pre- 

 ceding it. The tarsi are moderately dilated in each sex. 

 North Island : Castelnau. Bealey : Helms. 



Group -OXYTELID^. 



Holotrochus. 



1849. H. ferrugineus, '^-s. Cylindric, elongate, moderately 

 convex transversely, slightly nitid, almost nude ; infuscate-red, an- 

 tennte red, tarsi yellow. 



Head, narrower than thorax but rather longer, densely and 

 minutely sculptured, and with numerous fine, distant punctures. 

 Eyes not at all prominent. Antennce with a yellow pubescence, 

 gradually but only slightly thickened, as long as head and thorax ; 

 basal joint thick, partly concealed above ; third about one-third 

 longer thaii second, narrow at the base ; fourth nearly obconical, 

 about the same size as the fifth, which is smaller than the sixth ; 

 joints 6-9 moniliform, tenth subquadrate, eleventh broadly oval. 

 Thorax transverse, its sides distinctly marginated, slightly rounded, 

 nearly straight behind, posterior angles nearly rectangular but 

 obtuse ; its punctuation a little closer and coarser than that of the 

 head. Scutellum finely sculptured. Elytra quadrate, the sutural 

 striiE well mtirked, they are rather distantly jaunctured, and exhibit 

 several irregular, shallow, longitudinal impressions. Hind-body 

 finely sculptured, fifth segment largest and abruptly truncate behind, 

 sixth narrow, deflexed. Tibice straight, the intermediate with many 

 slender yellow spines. 



Differs from H. hrouni, Fauvel, in size, colour, and sculpture. 



Length, If lines ; breadth, f line. 



Woodhill, near Kaipara Eailway. One example. 



1850. H. brevipennis, >^-S- Sliining, dark-brown, the head, 

 base of thorax, and abdomen more rufescent ; tarsi yellow, antennse 

 fulvous ; it is sparsely clothed with short, greyish hairs. 



Antennce slender, third joint rather longer than second ; 4-6 

 nearly equal, the fourth, however, I'ather smaller than fifth; 7-10 

 larger than the preceding ones. Head minutely sculptured and with 

 a few shallow punctures. Thorax widely incurved at the base, basal 

 angles rounded, with only very few scattered punctures. Elytra 

 very short, quite transverse, the base minutely and densely strigose, 



