A new species of Missulena 
357 
Figure 2 Missulena lorbayensis sp. nov. bulb and embolus of paratypes. A, B, dorsal (BYM 1985/83) see Fig. 1 I; C, D, 
ventral (BYM 1983/143) see Fig. 1 J. Scale bars: A, C = 1.0 mm; B, D = 10 pm. 
Diagnosis 
Male spiders small and black with no white 
"patches" on abdomen; carapace length up to 4.0 
mm. Carapace finely rugulose, caput with heavy 
rugosities. Teeth on inner row of cheliceral groove 
numerous (7-10) of uneven size, few (3) evenly 
sized relatively large teeth on outer and 3-4 smaller 
teeth on inner row. Differs from other small black 
species ( M. dipsaca Faulder and M. rutraspina 
Faulder) by having "rasps" on all patellae instead 
of on patellae III only and by the "extra" pair of 
faint sigilla in the labial groove; from M. rutraspina 
by the rounded embolus tip and more numerous 
teeth in cheliceral groove rows and many long, 
pointed rastellum teeth; from M. dipsaca by 
presence of thin scopula on tarsus I and well devel¬ 
oped scopula on tarsi III and IV (see Faulder 1995). 
Description 
Male (holotype) 
Colour, body and legs uniformly black. Carapace 
finely rugulose, caput with heavy rugosities. 
Carapace length 4.0, width 5.1; caput width 3.9. 
Eyes, anterior width of group 2.8, posterior width 
2.6; AME apart 0.1, ALE from AME 1.0, PLE from 
PME 0.5, ALE from PLE 0.3. Sternum and labium 
length 3.9, labium 1.3, sternum width 2.8. A pair of 
faint sigilla in labial groove and three discrete pairs 
with posterior pair the largest and pear shaped. 
Labium with about 20 pin-like cuspules in apical 
third. Maxillae with dense line of pin-like cuspules 
on anterior margin extending onto rest of maxillary 
lobe. Chelicerae heavily rugulose, with transverse 
ridges on outer faces. Rastellum, about eight long 
pointed teeth on low mound. Groove with large 
teeth on both margins; (right) 9 unevenly sized 
prolateral (inner), 3 evenly sized retrolateral (outer) 
and 4 smaller teeth in intermediate row; (left) 10, 3, 
4 respectively. Legs. Spination of legs I and IV. I, 
tarsus rv 4, v 3, pv 3; metatarsus rv 3, v 5, pv 7, 
tibia rv 4, v 6, pv 1 large apical spine. Prolateral 
rasp (or "rastellum") on all patellae, very dense (at 
least 30 spines) on patella I, less dense (about 8) on 
II, very dense (at least 30) on III, less dense (about 
25 short spines) on IV. Scopulae. I, a few sparse 
hairs on tarsus, II, absent. 111 and IV well 
developed scopula on tarsus and metatarsus. Tarsal 
claws. Teeth on paired and median claws. Right 
side. I, P 5, R 3 (distal tooth bicuspid), median 2. II, 
P 5, R 5, median 3. Ill, P 4, R 4?, median 2. IV, P 5, 
R 3, median 1. Genital area with about 40 
pronounced fusules. Palp bulb typical of the genus, 
that is with a long tapering embolus. Embolus tip 
viewed ventrally, spoon shaped and rounded in 
outline; dorsally with small lateral processes 
(Figures 1 G-J and 2 A-D). 
