215 



Mimocalanua sulcifrons, male 



Figure 214. — Habitus, lateral view; scale A. 

 Figure 215. — Habitus, dorsal view; scale A. 



Description 



Pi Ri with 2 inner setae; P2 Ri2 with 1 outer seta; 

 P3-P4 Ri3 with 1 outer seta. 



Female.— Length 2.05-2.40 mm (Figs. 192, 193). 

 Prosome in dorsal view ovoid; head broadly rounded, 

 with slight anterior protrusion and 2 indistinct dor- 

 solateral swellings. In lateral view with abrupt 

 forward slope. Th4 and Th5 separate. Prosome length 

 4' .' times urosome. Genital segment length two-thirds 

 times width, protruding ventrally one-third depth of 

 rest of urosome. Caudal rami length l'/2 times width. 

 Inner caudal seta reduced. 



Al exceeding caudal rami by 4 segments; terminal 

 segments (Fig. 162) relatively wide, large. Armature 

 as Table 4. 



Mn B2 with 3 inner setae. Mn blade (Fig. 195) with 

 1 long ventral tooth, followed by 4 bi- or tricuspids of 

 decreasing length, slender dorsal bicuspid, and dorsal 

 seta. 



Mxl gnathobase (Fig. 196) without proximal 

 posterior setae; proximal anterior seta thin and finely 

 plumose; distal anterior seta on left only, reaching 



beyond margin. Proximal part of Ri with 3 proximal 

 and 3 distal setae. 



Mxp (Fig. 202) Bl inner anterior surface with 

 midlength cluster of few denticles and distal series of 

 short thin setules; distal knob with 4 setae and short 

 truncate process. B2 proximal anterior surface with 

 short longitudinal row of short, relatively thick spines 

 of irregular length, paralleled by very short, thin 

 spinules. Ri2-5 inner setae and terminal seta, nude. 

 Ri4-5 outer setae moderately long, with very long 

 plumes on each side. 



PI (Fig. 198) B2 and Rel outer distal edge with 2-3 

 small teeth. Main body of Re2 outer spine just 

 reaching base of Re3 outer spine; Re3 outer spine 

 narrow. Ri outer lobe moderate. 



P2 (Fig. 199) B2 outer distal edge with 3-4 small 

 blunt teeth. Rel outer spine equaling size of Re3 outer 

 spines. Re3 spiniform distal edge much smaller than 

 outer distal spine. 



P3 (Fig. 200) similar to P2. 



P4 (Fig. 201) Bl posterior surface with inner 

 transverse row of very thin, uniform setules. Re3 outer 

 spines finely serrate. 



Re terminal seta with following number of teeth: P2 

 (79-90); P3 (80-89); P4 (73-83). 



Male.— Length 1.90-2.60 mm (Figs. 214, 215). 

 Prosome in dorsal view elongate ovoid; anterior 

 narrow, with anterior depression lined with short 

 hairs. Mid-Ce with dorsolateral oblique rows of flat, 

 prominent, fragile spines. Prosome in lateral view 

 with irregular, fairly gentle, forward slope. Prosome 

 length 3U times urosome. Caudal rami length 1'4 

 times width. 



Al exceeding caudal rami by 1 segment. VIII- 

 2s, 2e; XI-2s, le; remainder as Table 4. 



Mn blade (Fig. 203) reduced to 6-7 subequal teeth. 



Mxl gnathobase with 6-7 toothlike setae. Inner 

 lobes-1-2 reduced (as Wheeler, 1970, fig. 14); outer 

 lobe-1 with very long, fragile, plumose setae, 2 of 

 which reach urosome; Re as on female. 



Mx2 overall appearance as illustrated by Wheeler 

 (1970, fig. 15); lobe-1 with 3-4 reduced setae, lobe-2 

 with 3 longer setae; lobe-3-4 with 3 still longer setae; 

 lobe-5 with 2 long setae. Lobe-6 and Ril-2 with 1 

 coarsely plumose seta, as long as Mx2; Ri3 with 3 long 

 setae. 



Mxp (Fig. 204) Bl distal lobe with dense patch of 

 setules; B2 with dense longitudinal row of stiff hairs; 

 several setae apparently missing on specimens ex- 

 amined. Ril-5 inner setae and terminal seta plumose; 

 outer setae reduced or absent. 



PI (Fig. 205) Re2 outer spine reaching about 

 midlength Re3; Re2-3 outer spines finely serrate. 



P2 (Fig. 206) Rel outer spine nearly as long as Re3 

 outer spines. Re terminal seta with 69-76 teeth. 



P3 (Fig. 208)-P4 (Fig. 209) missing Re2-3 on 

 specimens examined; P4 Bl inner seta reaching mid- 

 dle of B2. 



P5 (Figs. 210, 211) reaching distal edge of urosome 



79 



