Taxonomic notes on the genus Auranus (Opiliones, Laniatores, Stygnidae), with description of two new species
Author
Colmenares, Pío A.
Author
Porto, Willians
Author
Tourinho, Ana Lúcia
text
Zootaxa
2016
4103
2
117
129
journal article
45305
10.11646/zootaxa.4103.2.2
c696b17b-226e-43a6-a5a0-f35563de22f7
1175-5326
271185
0E7890C6-6E68-423D-89E6-DCD65FE2B671
Auranus
Mello-Leitão, 1941
Auranus
Mello-Leitão, 1941
: 441
; Pinto-da-Rocha 1995: 196; Pinto-da-Rocha 1997: 263;
Kury 2003
: 228
;
Kury & Villarreal 2015
: 12
, 29, 30, 32, 40. (
Type
species
Auranus parvus
Mello-Leitão, 1941
, by original designation, examined).
Emended diagnosis.
External morphology: Dorsal scutum rectangular. Prosoma slightly tuberculate, sometimes with an anterior hump. Eye mounds smooth. Area I divided by a median groove; I–II with small tubercles; III with two spines (just one spine in
Auranus xerxes
sp. nov.
). Pedipalpal femur large; basal socket apex of tibia normal. Without tarsal process or scopula. Penis: Ventral plate present as a thin lamina parva, apically shaped as a calyx (
Figs 2
A–D, 5A–C) and with two lateral flat projections directed ventrally (
Figs 2
B, 5B–C). Truncus large and cylindrical, swollen distally, malleus surrounding completely the basis of the lamina parva. Chaetotaxy: MS A1– A3 flat and bifid, placed laterally on malleus; B ventrally on malleus, usually following the same row as MS A; MS C small, cylindrical and sharp, laterally on lamina parva; MS D reduced only to D1, dorsally on lamina parva; MS E1 close and similar in size and shape to MS C, E2 absent or when present, very large and located ventrally on malleus. Glans without dorsal process (one exception occurs in
Auranus xerxes
sp. nov.
).
Species included.
Auranus hehu
Pinto-da-Rocha & Tourinho, 2012,
Auranus leonidas
sp. nov.
,
Auranus parvus
Mello-Leitão, 1941
(
type
species),
Auranus tepui
Pinto-da-Rocha & Tourinho, 2012 and
Auranus xerxes
sp. nov.