128 WATT 
allotype (2 do’ 3 29) J.C.W./AMNZ. Poor Knights, A.W.B. Powell, March 1934, 
(299) NZAC. Tawhiti Rahi, Poor Knights Is., 23.xii.52, J.S. Edwards, (9) 
AMNZ. 
TYPE LOCALITY. Tawhiti Rahi, Poor Knights Is (ca. 50 km N.E. of Whangarei). 
Material Examined. Holotype oc, allotype 9, 17 paratypes; 5 other specimens. 
Tawhiti Rahi, under stone ca. | Jan. 1956, J.C. Watt, (2) J.C.W./AMNZ (damaged 
specimens). Tawhiti Rahi, 21 Jan. 1943, Majors Buddle and Wilson, (1) NZAC. 
(damaged). Aorangi I., Poor Knights, 24 Apr. 1961, F.J. Newhook, (o& 9?) NZAC. 
Distribution. Apparently confined to the Poor Knights Islands. It is frequent under 
stones and in soil on Tawhiti Rahi, the largest island of the group. (Note. “Tawhiti 
rahi” (Maori) probably means “the great snare”.) 
Mimopeus parvus sp.n. (Figs. 40,49) 
Most closely related to M.vallis, resembling also M. thoracicus, M. humeralis and M. 
elongatus in some respects. Readily distinguished from M. humeralis and M. thoracicus by 
the stouter aedeagus, rounded elytral shoulders, narrower and less distinct elytral 
submarginal channels and smoother, non-granulate elytral interstices, The aedeagus is 
rather like that of M. elongatus (Cook St populations), but the apicale is more elongate and 
the basale is not as stout. Differs from all populations of M. elongatus also in the humeral 
angles, which are more prominent, the basal carinae of the elytra which are sharp, although 
not at all raised, the absence of elytral granules and the smoother elytral interstices. Dorsal 
punctation rather like that of M. impressifrons, but there are many important differences 
between the two species, and the few resemblances may be attributed to convergence. 
Compared with M. vallis below. 
MALE 
Convex, elongate oval, rather parallel-sided. Dorsal surface black, moderately shining, 
ventral surface shining black, legs and antennae dark reddish-black. 
Dorsal surface. Anterior of labrum very light in colour, emarginate. Antennae as in M. 
vallis. Head broad, microsculpture weaker than in M. vallis, barely visible at 25 x 
magnification. Pronotum more convex and sides more strongly curved than in M. vallis, 
submarginal channels obsolete; punctures small, shallow and relatively sparse, all separated 
by more than twice their own diameter on disc, few micropunctures visible at 25 x 
magnification; microsculpture weak, barely visible at 25 x magnification; interstices flat, 
granules absent. Scutellum bearing a few scattered, relatively large, punctures. Elytra 
convex, sides almost parallel. Shoulder narrowly rounded but not prominent, submarginal 
channels narrow, inner angle more distinct than in M. vallis. Carina at base of elytra sharp, 
but not at all raised. Punctures shallower, smaller and less distinct than in M. vallis: 
microsculpture much weaker, barely visible at 25 x magnification, granules absent. 
Ventral surface. Granules present on prosternum, proepisternum and epipleura, absent 
from postgenae, mesosternum, metasternum and metepisternum, very weak on lateral parts 
of visible abdominal sternites 1 and 2, Postgenal emargination at base of cardo slightly raised 
laterally, but not dentate. Punctures of prosternum larger and deeper than in M. vallis, but 
punctures of other ventral sclerites smaller and shallower, Posterior part of prosternal 
intercoxal process more prominent than in M. vallis, other intercoxal processes approx- 
imately as in M. vallis. 
