A revision of the spider genus Raveniola (Araneae, Nemesiidae). II. Species from Central Asia
Author
Zonstein, Sergei L.
urn:lsid:zoobank.org:author:EADD3607-30FF-49AE-93F5-8410630469BE
Steinhardt Museum of Natural History, Tel-Aviv University, 69978 Tel-Aviv, Israel
znn@tauex.tau.ac.il
text
European Journal of Taxonomy
2024
2024-10-24
967
1
185
https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2699/12459
journal article
304964
10.5852/ejt.2024.967.2699
0647b761-1496-4dcd-abb6-495b67abe85f
2118-9773
13990819
C08B8027-50CC-417E-BCD4-5183B9FF6738
Raveniola
diluta
species group
Diagnostic characters
Maxillae with a few cuspules confined to probasal maxillary edge (
Figs 216–219
,
243–246
). PMS absent; apical segment of PLS triangular or shortly digitiform (
Figs 589–596
). Males: tibiae and metatarsi I–II without modified hairs (
Figs 273–277
,
303
); cymbium moderately short (as in
Figs 365–369
); embolus bent and screwed subapically, with or without subapical keel (
Figs 429–438
). Females: each paired spermatheca Ⱶ-shaped, mostly low and moderately wide, with wide base and inner branch incorporated into the entire cone-shaped trunk, and with short and club-like or fusiform lateral diverticulum (
Figs 526– 533
).
Species included
Raveniola diluta
sp. nov.
,
R. fedotovi
(
Charitonov, 1946
)
,
R. pallens
sp. nov.
and
R. zyuzini
sp. nov.
Key to the species of the
diluta
group
Males
1. Embolus with well-defined and raised triangular keel (
Figs 429–433
)............................................. 2
– Embolic keel rudimentary or absent (
Figs 434–438
) ........................................................................ 3
2. Copulatory bulb elongate; proximal part of embolus much longer than its apical part; pointed triangular keel less acute and forms an angle> 60° (
Figs 429–431
)........................
R. diluta
sp. nov.
– Copulatory bulb short; proximal and apical parts of embolus subequal in length; short and acute triangular keel forms an angle <45° (
Figs 432–433
).........................
R. fedotovi
(
Charitonov, 1946
)
3. Metatarsus I weakly curved (
Fig. 276
); scopula on tarsi and metatarsi I–II sparser. Copulatory bulb shorter; proximal part of embolus more tapering (
Figs 434–435
)..........................
R. pallens
sp. nov.
– Metatarsus I strongly curved (
Fig. 277
); scopula on tarsi and metatarsi I–II denser. Copulatory bulb longer; proximal part of embolus less tapering (
Figs 436–438
).............................
R. zyuzini
sp. nov.
Females
1. Carapace, palps and legs intensely brownish orange (
Figs 18
,
53
,
73–74
). Spermathecal trunks and fundus of lateral diverticulum weakly sclerotized (
Figs 532–533
) ........................
R. zyuzini
sp. nov.
– Carapace, palps and legs pale brownish yellow or pale brownish orange (
Figs 50–52
). Spermathecae differ in their structure (
Figs 526–531
).............................................................................................. 2
2. Interdistance AME–AME slightly wider than diameter of AME (
Figs 182–183
). Palpal tarsus with entire scopula. Cone-shaped spermathecal trunk clearly longer than wide (
Figs 526–529
) ............. 3
– Interdistance AME–AME considerably wider than diameter of AME (
Fig. 184
). Palpal tarsus with widely divided scopula. Dome-shaped spermathecal trunk about as wide as long (
Figs 530– 531
).........................................................................................................................
R. pallens
sp. nov.
3. Patellae I–II with spines. Scopula on tarsi II and III narrowly and widely divided, respectively. Spermathecal trunk shorter and more tapering toward apex (
Figs 526–527
)...........
R. diluta
sp. nov.
– Patellae I–II aspinose.Scopula on tarsi II and III widely divided and absent, respectively.Spermathecal trunk longer and less tapering toward apex (
Figs 528–529
) ...............
R. fedotovi
(
Charitonov, 1946
)