New species and records of linyphiid spiders from Laos (Araneae, Linyphiidae)
Author
Tanasevitch, Andrei V.
text
Zootaxa
2014
2014-07-24
3841
1
67
89
journal article
10.11646/zootaxa.3841.1.3
636d9a63-ae6e-45cb-a317-0f97cd45fda5
1175-5326
286780
6711CA40-1152-4833-98D0-9930E2B5DD17
Laogone cephala
new species
Figs 26–32
Types
.
Holotype
.
♂
,
LAOS
,
Luang Prabang Prov
., SE
Luang Prabang
,
Nam Khan
,
Xieng Ngeun Distr
.,
Ban Keng Koung
,
372 m
a.s.l., 19°40'963''N 102°18'442''E,
waterfall, forest soil, pitfall trap
,
21.–28.II.2008
, leg.
P. Jäger
.
Etymology.
The specific name is a noun derived from the Greek word “cephalos” meaning “head” and refers to the elevated head region.
FIGURES 24–32.
Hylyphantes graminicola
(Sundevall, 1830)
male specimens (from Muang Sing, Laos, 24, 25) and
Laogone cephala
n. sp.
male holotype (from Ban Keng Koung, Laos, 26–32). 24, 25, 29, Palpal tibia, dorsal. 26, Carapace, lateral, 27, dorsal. 28, Right palp retrolateral. 30, Paracymbium, lateral. 31, Distal suprategular apophysis and membrosclerum, frontal. 32, Embolic division, ectal.
Diagnosis.
See diagnosis of genus.
Description.
Male
holotype
. Total length 1.88. Carapace 0.75 long, 0.65 wide, yellow, with a broad, grey median stripe. Cephalic part elevated and carrying large posterior median eyes (
Figs 26–27
), cephalic pits presence, very small. Chelicerae 0.28 long. Legs pale yellow. Leg I, 3.24 long (0.78+0.23+0.85+0.88+0.50), IV, 2.94 long (0.78+0.18+0.70+0.80+0.48). Chaetotaxy 2.2.1.1, length of spines about 2–3 diameter of segment. All metatarsi with a trichobothrium. TmI, 0.82. Palp (
Figs 28–32
): Tibia elongated, with rounded proximal retrolateral lobe which latter carrying several long spines and a sharp retrolateral apophysis. Cymbium without outgrowths. Paracymbium with a long and narrow process below. Distal suprategular apophysis present, relatively large, hookshaped distally. Median membrane extremely long, narrow, stripe-like, surrounding palp. Membrosclerum hooklike, connected with a column by a short membrane. Radical part of embolic division small. Embolus very long and thin, forming two loops. Convector present, covering proximal part of embolus. Opisthosoma 1.05 long, 0.83 wide, pale, with a fish-bone dorsal pattern posteriorly.
Female. Unknown.
Distribution.
Laos
, known only from the
type
locality.