Namea, Raven, 1984

Rix, Michael G., Wilson, Jeremy D. & Harvey, Mark S., 2020, The open-holed trapdoor spiders (Mygalomorphae: Anamidae: Namea) of Australia’s D’Aguilar Range: revealing an unexpected subtropical hotspot of rainforest diversity, Zootaxa 4861 (1), pp. 71-91 : 75-76

Key to the species of Namea known from the D’Aguilar Range of south-eastern Queensland (males only)

1. Embolus long, reflexed and whip-like, arising from bulb laterally or proximally ( Figs 14 b–19b)....................... 3

– Embolus short, arising from bulb terminally or sub-terminally ( Figs 20b, 21b )..................................... 2

2. Embolus arising from bulb sub-terminally ( Fig. 20b ; see also Rix et al. 2020, figs 78–80); retroventral margin of palpal tibia with single, isolated, proximal macroseta ( Fig. 20b ; see also Rix et al. 2020, figs 78, 79).......... N. salanitri Raven, 1984

– Embolus arising from bulb terminally ( Fig. 21b ; see also Rix et al. 2020, figs 100–102); retroventral margin of palpal tibia with multiple macrosetae proximally and/or medially ( Fig. 21b ; see also Rix et al. 2020, figs 100, 101)... N. dahmsi Raven, 1984

3. Retroventral margin of palpal tibia with multiple macrosetae proximally and/or medially ( Fig. 17b ; see also Rix et al. 2020, figs 187, 188)........................................................................ N. excavans Raven, 1984

– Retroventral margin of palpal tibia with single, isolated, proximal macroseta ( Figs 14 b–16b, 18b, 19b)................. 4

4. Macroseta v1 on tibia I large, reaching beyond ventro-distal margin of tibia I ( Figs 14a , 31 ); isolated, proximal retroventral macroseta on palpal tibia long, longer than length of palpal bulb ( Figs 14b , 32 )..................... N. gloriosa sp. nov.

– Macroseta v1 on tibia I shorter, not reaching beyond ventro-distal margin of tibia I ( Figs 15a, 16a, 18a, 19a ); isolated, proximal retroventral macroseta on palpal tibia shorter than length of palpal bulb ( Figs 15b, 16b, 18b, 19b )...................... 5

5. Tibia I with prolateral (p) macrosetae ( Figs 15a, 16a ); palpal cymbium markedly cleft distally in retrolateral view ( Figs 15b, 16b )................................................................................................ 6

– Tibia I without prolateral (p) macrosetae ( Figs 18a, 19a ); palpal cymbium not markedly cleft distally in retrolateral view ( Figs 18b, 19b )............................................................................................ 7

6. Tibia I with shallow, only slightly concave ventro-distal excavation anterior to macroseta v1 ( Figs 15a , 64 ); palpal bulb produced along transverse axis and swollen near base of embolus ( Fig. 66 ); carapace not covered with downy reflective setae ( Figs 55, 57 )............................................................................. N. nigritarsus sp. nov.

– Tibia I with more strongly concave ventro-distal excavation anterior to macroseta v1 ( Figs 16a , 77 ); palpal bulb heart-shaped ( Figs 78–80 ); carapace covered in downy reflective setae ( Figs 68, 70 )............................... N. nebo sp. nov.

7. Palpal bulb smoothly sub-spherical ( Figs 19b , 45–47 ); tibia I with shallow, concave ventro-distal excavation anterior to macroseta v1 ( Figs 19a , 44 ).................................................................. N. gowardae sp. nov.

– Palpal bulb broadly pyriform, with terminal protuberance bearing pair of tiny tubercle-like nodules ( Fig. 18b ; see also Rix et al. 2020, figs 26, 28); tibia I broader, with more strongly concave ventro-distal excavation anterior to macroseta v1 ( Fig. 18a ; see also Rix et al. 2020, fig. 25)...................................................... N. brisbanensis Raven, 1984

Figures

FIGURES 14–21. Comparative morphology of Namea from the D’Aguilar Range (south-eastern Queensland); each figure for each species depicts (a) the male tibia I in standardised prolateral view, (b) the male pedipalp in retrolateral view, +/- (c) the female cleared genitalia in dorsal view (if known): 14, N. gloriosa sp. nov. (QMB S10269); 15, N. nigritarsus sp. nov. (QMB S111534); 16, N. nebo sp. nov. (QMB S65274); 17, N. excavans Raven, 1984 (QMB S813); 18, N. brisbanensis Raven, 1984 (QMB S767 [male], S111397 [female]); 19, N.gowardae sp. nov.(QMB S774 [male], S111377 [female]); 20, N. salanitri Raven, 1984 (QMB S1166 [male], S111396 [female; with epigastric lobes highlighted*); 21, N. dahmsi Raven, 1984 (QMB S88018 [male tibia I], S800 [male pedipalp], S111481 [female; note bent right spermathecal fundus]). Tibial macrosetae are coloured and labelled according to their relative position (dark blue, prodorsal [pd]; red, prolateral [p] or proventral [pv]; dark grey, ventral [v]; light blue, retroventral [rv]).

FIGURES 22–31. Namea gloriosa sp. nov., male holotype (QMB S10269) from Mount Glorious (south-eastern Queensland), somatic morphology: 22–23, carapace and abdomen, dorsal view; 24, cephalothorax, lateral view; 25, eyes, dorsal view; 26, mouthparts, ventral view; 27–28, cephalothorax and abdomen, ventral view; 29, leg I, prolateral view; 30, leg I tibia, retrolateral view; 31, leg I tibia, profile in standardised prolateral view, showing relative position of macrosetae (pd, prodorsal; pv, proventral; v, ventral); note the broken seta (*) at position v2. Scale bars = 3.0 mm.

FIGURES 32–34. Namea gloriosa sp. nov., male holotype (QMB S10269) from Mount Glorious (south-eastern Queensland), pedipalp: 32, retrolateral view; 33, retroventral view; 34, prolateral view. Scale bar = 3.0 mm.

FIGURES 55–64. Namea nigritarsus sp. nov., male holotype (QMB S111534) from MountGlorious (south-eastern Queensland), somatic morphology: 55–56, carapace and abdomen, dorsal view; 57, cephalothorax, lateral view; 58, eyes, dorsal view; 59, mouthparts, ventral view; 60–61, cephalothorax and abdomen, ventral view; 62, leg I, prolateral view; 63, leg I tibia, retrolateral view; 64, leg I tibia, profile in standardised prolateral view, showing relative position of macrosetae (p, prolateral; pd, prodorsal; pv, proventral; v, ventral). Scale bars = 3.0 mm.

FIGURES 65–67. Namea nigritarsus sp. nov., male holotype (QMB S111534) from MountGlorious (south-eastern Queensland), pedipalp: 65, retrolateral view; 66, retroventral view; 67, prolateral view. Scale bar = 3.0 mm.

FIGURES 68–77. Namea nebo sp. nov., male holotype (QMB S65274) from Boombana, Mount Nebo (south-eastern Queensland), somatic morphology: 68–69, carapace and abdomen, dorsal view; 70, cephalothorax, lateral view; 71, eyes, dorsal view; 72, mouthparts, ventral view; 73–74, cephalothorax and abdomen, ventral view; 75, leg I, prolateral view; 76, leg I tibia, retrolateral view; 77, leg I tibia, profile in standardised prolateral view, showing relative position of macrosetae (pd, prodorsal; pv, proventral; v, ventral). Scale bars = 3.0 mm.

FIGURES 78-80. Namea nebo sp. nov., male holotype (QMB S65274) from Mount Nebo (south-eastern Queensland), pedipalp: 78, retrolateral view; 79, retroventral view; 80, prolateral view. Scale bar = 3.0 mm.

FIGURES 45–47. Namea gowardae sp. nov., male holotype (QMB S774) from Mount Glorious (south-eastern Queensland), pedipalp: 45, retrolateral view; 46, retroventral view; 47, prolateral view. Scale bar = 3.0 mm.

FIGURES 35–44. Namea gowardae sp. nov., male holotype (QMB S774) from Mount Glorious (south-eastern Queensland), somatic morphology: 35–36, carapace and abdomen, dorsal view; 37, cephalothorax, lateral view; 38, eyes, dorsal view; 39, mouthparts, ventral view; 40–41, cephalothorax and abdomen, ventral view; 42, leg I, prolateral view (inset shows detail of tibia, and the location of the ‘tibial bald zone’); 43, leg I tibia, retrolateral view; 44, leg I tibia, profile in standardised prolateral view, showing relative position of macrosetae (pd, prodorsal; pv, proventral; v, ventral); note the broken seta (*) at position pv1. Scale bars = 3.0 mm.