88 
U. Scheller 
Guinea, 5°00'37"S, 145°46'08"E, lowland rain forest, 
Tullgren funnel litter extraction, 9 May 1990, W. F. 
Humphreys (WAM 95/767, PNG 1990:833). 
Description 
Adult female (holotype) 
Length. 0.65 mm. 
Head. Head setae only partly distinguishable. 
Setae cylindrical, annulate. Vertex: not studied. 
Tempus: only one seta, 1 = 10 pm. Frons: no frontal 
pores; no pistil; Tfrontal verruca. Index of frontal 
setae: median row, mp = 16; lateral row, four setae, 
l Pi = 13 - l P 2 = 16 < lp 3 = 10 ' l P t = 10, lp 2 -lp 3 = 6, Ip-Ip, 
= 15. Temporal organ: 1 = 28 pm. 
Antennae (Figure 2). Cuticle of basal antennal 
segments and branches glabrous, segments three 
and four almost glabrous. Chaetotaxy of segments 
1-4: 2/2/2 + g'/ 3. Setae cylindrical, annulate, 
segment 1, p = 8, p' = 6; segment 2, p = p' = 9; 
segment 3, p = 8, p' = 10, g' very small, spherical; 
segment 4, p = 7, p' = 13, p" = 9 pm, the setae p'", u 
and r absent. Sternal branch s, anterior margin = 
10, posterior margin = 15, 0 of base = 6.5, 
maximum 0 = 8.5, q = 12 pm. Anterior margin/ 
length of g = 1.1; anterior margin/length of q = 0.8; 
anterior margin/posterior margin = 0.7; anterior 
margin/maximum 0 = 1.2; maximum 0/0 of base 
= 1.3. Globulus g, length = 9, 0 = 6, 0 of base = 2 
pm; number of bracts = 9, their length = 5-6 pm; 
capsule subspherical, 0 = ± 3.5 pm. Tergal branch t 
fusiform, length = 16, 0 of base = 5.5, maximum 0 
= 6 pm; pore not identified; length of t /maximum 
0 = 2.7. Relative lengths of flagella (base segments 
included): F, = 68 and 71, F ? =28, F 3 = 59. Base 
segments glabrous, their lengths: bs, = bs 3 = 11, bs, 
= 6 pm. The F, 4.3—1.4 times as long as t, F, and F } 
1.9 and 3.9 times as long as s respectively. Calyces 
helmet-shaped, those of F. large, those of F, and F 
smaller. 23 
Trunk. Setae of collum segment (Figure 3) similar 
in shape and length, furcate; primary branch 
subcylindrical, tapering, pointed, striate; secondary 
one short, tapering, pointed, glabrous; lengths of 
setae = 7 pm; sternite process with short 
pubescence most anteriorly; appendages about as 
wide as long, glabrous, cap glabrous. 
Tergite I with sublateral ridges which turn 
mwards anteriorly, tergites 1I-V with sublateral 
ridges, on VI two transverse ridges, a longer 
anterior one and a short posterior one (Figure 1). 
Tergites with three types of protuberances: (1) on 
anterior margin of tergite 1, lateral margins of II-V 
and posterolateral margins of VI they are large 
wedge-shaped to campanulate with a distinct 
collar or they are reduced (Figures 4, 6, 8, 9, 12); (2) 
smaller fungiform ones with a disc-like round cap 
attached to a cylindrical but in distal part widened 
stalk (Figures 4-6, 8, 9, 12); (3) a great many more 
or less evenly distributed small cones projecting 
outwards under the cuticle (Figures 4-9, 12). 
Tergite I with 27 protuberances of the first 
mentioned type at anterior and anterolateral 
margins and several fungiform protuberances 
inside the anterior and lateral margins and on the 
ridges (Figures 4-6); tergite II with wedge-shaped 
and campanulate protuberances at lateral margins, 
those nearest to pit of T, rudimentary (Figure 8); 
fungiform ones inside these rows and on the 
ridges; posterior margin with irregular blunt teeth 
(Figure 7); tergites III-VI similar to II (Figure 13). 
Tergite VI with only one campanulate seta at each 
inner margin of the pit of T 5 (Figure 12). 
Number and lengths of lateral wedge-shaped or 
campanulate protuberances (format according to 
Scheller 1993): I, no. 27 (anterior and lateral), 
lengths = 10-17; II, no. 1 (very small) - T, - 8 — 1 
(small), lengths = 2-20; III, no. 1 (small) - 4/5 -T 2 — 
1 (small) - 5 - 1 (small), lengths = 8-17; IV, no. 1 
(very small) - 1 (small) - 4 - T, - 1 (small) - 4/5, 
lengths = 9-18; V, no. 1 (small) - 5 - T t - 1 (small) - 
3, lengths = 9-17; VI, no. 6 (increasing in length 
posteriorly) - T s - 1, lengths = 8-15 pm. Length/ 
width ratio of tergites: I = 0.5, II = III = IV = VI = 
0.4, V = 0.5. 
All trichobothria but T 3 with very thin axes, 
glabrous except for distal half which has erect 
minute pubescence; distal part curled up (Figure 
10); T 3 with thicker axes and distal 1/4 forming 
clavate swelling (Figure 11). Length of 
trichobothria: T, = 77, T 2 = 80, T 3 = 42, T 4 = 60, T = 
55 pm. Ratio T 3 /T 2 = 0.5. 
Legs. Setae on coxa (Figure 17) and trochanter of 
leg 9 similar, furcate, branches thin, tapering, 
pointed, pubescent-striate; secondary branch only 
very little shorter than primary branch. More 
anteriorly the secondary branch is very short and 
glabrous. 
Tarsi tapering, those of leg 9 (Figure 16) 1.5 times 
as long as greatest diameter; two subsimilar tergal 
setae, both pointed, glabrous; length of proximal 
one = 8, distal one = 7 pm; proximal one 0.6 of the 
length of tarsus and 1.1 times as long as distal one. 
Length of main claw in leg 1 = 20 pm, about as 
long as tarsus (Figure 14), secondary claw = 6 pm. 
One seta only on tarsi of leg 1. On anterior side of 
femur of leg 1 a small linguiform plate (Figure 15), 
length almost 0.2 of the length of femur; plate with 
dense short oblique pubescence. Cuticle of anterior 
legs minutely granular, that of the posterior legs 
shortly pubescent. 
Pygidium (Figure 18). Tergum. On its sternal side 
between st a linguiform plate which protrudes 
backwards, its posterior triangular part extends as 
far as the posterolateral corners of the tergum; 
posterior margin with deep triangular depressions 
outside the linguiform plate. Setae a , cylindrical, 
curved inwards, with short pubescence; a 2 straight, 
