MIMOPEUS 117 
Abdomen. First abdominal sternite bearing about 10 setae on each side near 
anterior margin, and a single pair, one on each side, near posterior edge. Segments 
2 - 8 each with one pair of setae near posterior margin of tergite, and 2 pairs, one 
anterior and one posterior, on each sternite. 
Anus and anal tubes at base of ninth segment. Ninth segment (see Fig.105) 
sternite very short, bearing a number of short and 4 long setae. Dorsal part of ninth 
tergite convex, bearing 4 long setae near its anterior border, 4 long setae on the 
posterior edge and 4 short spines, 2 between the outer pair and 2 between the inner 
pair of long setae. Ventral part of ninth tergite bearing 7 long slender setae on each 
side. 
Dimensions. Head width: 2.7 (elongatus) — 3.6 mm (opaculus). 
KEY TO SPECIES OF MIMOPEUS 
1 Aedeagus as in Figs.103-104, apicale very slender, basale relatively stout. Basal 
elytral carina raised, sharp. Outer angle of anterior tibiae strongly dentate 
(Fig.101). Elytral costae usually plainly visible to naked eye. Elytral 
submarginal channel very narrow and poorly defined .............::seeeees 
hk ore Cees nie Oe SEY 7, 220 CAVE.) TORRENT BeAe TES RUGOSUS SPECIES GROUP 2 
Aedeagus not as in Figs. 103-104, apicale not as BOM. ar. prctctet ss trpassetewcxda ulsaeies 3 
2 Elytral costae very distinct (Fig.48). Pronotal, elytral and sternal punctures very 
large, deep and steep-sided. Hairs of elytral punctures stout, projecting well 
beyond borders of punctures on lateral and hind slopes, clearly visible at 25 x 
magnification. Colour dull reddish grey. South Canterbury, Otago, South- 
Beard setae cat lgaes races padevsh ae eT e UTR ESRNEP TTITE We ephsranhssuonthd Hes OE ty sen dS MUS dcvadee a asedeinee rugosus 
Elytral costae not very distinct. Pronotal, elytral and sternal punctures relatively 
small and shallow. Hairs of elytral punctures very fine and short, usually not 
visible at 25 x magnification. Colour shining dark reddish black. Fig.96. 
Mackenzie Basin, South Canterbury ...............cccecccesseeeeeeereeteeeeneenenneeeseeees convexus 
3 Outer apical angle of anterior tibia sharply dentate (Fig.100,t), with a distinct 
“sinus” (s) between the tooth and the basal articulation of the tarsi. Lateral 
angle of postgenal emargination at base of cardo dentate (Fig.97). Aedeagus 
moderately stout (Fig.99). Basal elytral carina raised, sharp. Elytral 
submarginal channel obsolete. Form convex. Canterbury. ...........1.s05 
PYM AY: BAe ctr re Se) ROR ht Mi ncnd oers TIBIALIS SPECIES GROUP _ tibialis 
Outer apical angle of anterior tibia not sharply dentate, tibial apex lacking a 
distinct “sinus” (Figs.85, 102), lateral angle of postgenal emargination not 
PAAR EE as port taidcw sacs ook pesca es SE eg M esas pa vo nig Hees OS Feo HE na ghee Tee tad eee Chea 4 
