OF NEW ZEALAND. 1107 



Group PARNID-ffi . 



Protoparnus. 



1965. P. longuhlS, n.s. (Sharp ; Trans. Roy. Dub. Soc., 

 1886, p. 383.) Oblongo-ovalis, fusco-niger, nitidus, longius pilosus, 

 autennis pedibusque runs; sat crebre et sat fortiter punctatus,^lytris 

 obsolete striatis, striis internis omnino deletis, externis ad humeros 

 profunde impress! s. 



Long., dj-rnm. 



This is closely allied to P. vestitus, but is readily distinguished 

 by the more elongate form, and the elongate pilosity of the surface ; 

 the punctuation, too, is coarser and more distant. 



Picton. Helms; one example. 



Mr. Helms informs me that these insects, as I suspected, are not 

 aquatic in their habits, but occur under logs in damp places. P. ves- 

 titus apparently is not very rare about Greymouth, as Mr. Helms 

 has recently been so kind as to send me several other examples, 

 which agree exactly with the type. 



Alloparnus. 



Nov. gen. 



Body oblong, transversely convex, depressed at the junction of 

 the thorax and elytra. 



Head retractile. Eyes small, convex, very coarsely facetted. 

 Mentum angularly excised in front. Labrum transverse, truncate at 

 apex. Mandibles bifid at extremity. Palpi short and stout, penulti- 

 mate joint obconical, the terminal larger, subovate, obliquely pro- 

 duced at apex. Antenna 11-articulate, basal joint short and nearly 

 triangular ; second short and very thick, its breadth double its 

 length ; third small, its base slender, united to the hind angle of the 

 preceding one ; joints 4-11 form a large, compact, almost oblong, 

 dentate club, each joint being prolonged inwardly as a tooth-like 

 process, the eleventh less produced than its predecessors. Thorax 

 transverse, curvedly narrowed at the sides near the front, deeply 

 furrowed near each side above and below. Scutellwn transverse, 

 rounded laterally. Elytra elongate, subovate. Prosternal process 

 longitudinally excavated, received into the cavity of the meso- 

 sternum, porrected ; the latter deeply concave between the middle 

 coxae ; metasternum rather short. Front and middle coxae mode- 

 rately distant, posterior further apart. Abdomen with five segments, 

 the basal largest, the apical wich a considerable depression at its 

 base. Legs short and stout ; femora dilated, but narrowed towards 

 the extremity, deeply hollowed underneath for the reception of the 

 tibiae ; tibia arcuated externally, somewhat compressed, distended, 

 and grooved along their outer face for the tarsi ; tarsi thick, their 

 terminal joint nearly as long as the preceding four taken together. 



440. A. agrestis, $. Piceous, reddish near the shoulders, 

 moderately shining, legs and antennae rufescent ; thinly clad with 

 long, rather fine, testaceous hairs, 



