Raveniola virgata ( Simon, 1891 )

Zonstein, Sergei L., 2024, A revision of the spider genus Raveniola (Araneae, Nemesiidae). II. Species from Central Asia, European Journal of Taxonomy 967, pp. 1-185 : 77-80

publication ID

https://doi.org/ 10.5852/ejt.2024.967.2699

publication LSID

lsid:zoobank.org:pub:C08B8027-50CC-417E-BCD4-5183B9FF6738

persistent identifier

https://treatment.plazi.org/id/03A8B723-5566-FFEA-FDB9-E2FDFBC6CFEE

treatment provided by

Plazi

scientific name

Raveniola virgata ( Simon, 1891 )
status

 

Raveniola virgata ( Simon, 1891) View in CoL

Figs 28–33 View Figs 28–35 , 60 View Figs 54–62 , 107 View Figs 100–108 , 133 View Figs 127–135 , 162–163 View Figs 160–171 , 192–193 View Figs 184–195 , 201 View Figs 196–201 , 226 View Figs 220–228 , 253 View Figs 247–255 , 286–287 View Figs 282–289 , 308 View Figs 290–309 , 343–348 View Figs 334–348 , 376 View Figs 364–378 , 454–458 View Figs 448–456 View Figs 457–465 , 478, 486 View Figs 475–486 , 547–550 View Figs 537–554 , 614–615 View Figs 611–618 , 731–734, 739–746, 760

Brachythele virgata Simon, 1891: 304 (♂ ♀).

Brachythele arnoldii Zonstein, 1984b: 42 , figs 1–6 (♂ ♀). Synonymized by Zonstein 1985: 159.

Brachythele virgata – Simon 1903: 965. — Reimoser 1919: 188. — Roewer 1942: 196. — Bonnet 1955:

912. — Zonstein 1984a: 145; 1985: 159. Raveniola virgata View in CoL – Zonstein 1987: 1015, figs 1–2 (♂ ♀); 2021: figs 3–4, 7–8, 11–12, 16–18 (♂ ♀). —

Platnick 1989: 90. — Mikhailov 1996: 77; 1997: 20; 2013: 12. — Zonstein et al. 1996: 133; 2018:

78, 84, figs 165, 213 (♂ ♀). — Zonstein & Marusik 2012: 78, fig. 4 (♂). — Yunusov et al. 2022: 226. Raveniola arnoldi – Platnick 1989: 90 (as synonym of R. virgata ). Raveniola arnoldii – Zonstein 2002c: 173, figs 3–6, 7 (♂ ♀). Raveniola virgate – Bakhromova 2016: 258.

Diagnosis

Males of Raveniola virgata are distinguishable due to a unique array of generally unexceptional characters: a stouter tibia I with the megaspines set closer to each other; a gently curved and completely aspinose metatarsus I; a shorter and stouter palpal tibia; a moderately long and very gently twisted embolus. None of the sibling species ( R. mikhailovi , R. nenilini sp. nov. and R. vulpina sp. nov.) share the same combination. See Figs 28–30 View Figs 28–35 , 286–287 View Figs 282–289 , 308 View Figs 290–309 , 376 View Figs 364–378 , 454–458 View Figs 448–456 View Figs 457–465 cf. Figs 283–284, 288–289 View Figs 282–289 , 306– 307, 309 View Figs 290–309 , 373–374, 377–378 View Figs 364–378 , 445–449 View Figs 439–447 View Figs 448–456 , 459–465 View Figs 457–465 . Females of R. virgata differ poorly by their somatic structures from females of the related species and can be distinguished from them mostly by the specific structure of the spermathecae, with long inclined trunks and weakly diverging diverticula ( Figs 547–550 View Figs 537–554 cf. Figs 538–543, 551–554 View Figs 537–554 ).

Material examined

Lectotype

KYRGYZSTAN • ♂ (no other data except “ Margelhan ”, the labeled locality seems to be given as a relatively close geographic point, known at that time; most likely, it does not correspond to the current Margelan in Fergana Region, Uzbekistan); MNHN 6506 About MNHN –B361.

Paralectotype

KYRGYZSTAN • 1 ♀; collected together with the holotype and placed in the same vial .

Additional materia l (32 ♂♂, 131 ♀♀, 3 juvs)

KYRGYZSTAN • 1 ♂, 1 ♀; Fergana Mts , Gava (labeled as “ Kawa ”); 41°15′ N, 72°50′ E; 1300– 1500 m a.s.l.; 1912; K. Küchler leg.; SMF GoogleMaps 1 ♂, 11 ♀♀; Fergana Mts , 2 km N of Charvak Village; 41°16.7′ N, 72°59.5′ E; 1100–1250 m a.s.l.; 5 May 1981; S. Zonstein leg.; SMNH GoogleMaps 4 ♀♀; same collection data as for preceding; 1000–1050 m a.s.l.; 28 May 1981; SMNH GoogleMaps 1 ♂, 7 ♀♀; same collection data as for preceding; 6–8 Jun. 1981; SMNH GoogleMaps 7 ♀♀; Fergana Mts , surroundings of Gumhana Village; 41°19′ N, 72°58′ E; 1300–1450 m a.s.l.; 1–2 Aug. 1981; S. Zonstein leg.; SMNH GoogleMaps 1 ♀; same collection data as for preceding; 24 Aug. 1981; SMNH GoogleMaps 1 ♂; Fergana Mts , Airy Gorge; 41°22.4′ N, 72°59.8′ E; 2050 m a.s.l.; 16 Oct. 1980; S. Zonstein leg.; ZISP GoogleMaps 1 ♂, 8 ♀♀; Fergana Mts , environs of Dashman Village; 41°21′ N, 73°00′ E; 1600–2000 m a.s.l.; 19–26 Oct. 1980; S. Zonstein leg.; SMNH GoogleMaps 7 ♀♀; Fergana Mts , Jaradar Gorge; 41°20′ N, 72°59′ E; 1350–1600 m a.s.l.; 10–13 Jun. 1979; S. Zonstein leg.; SMNH GoogleMaps 2 ♀♀; same collection data as for preceding; 18 Oct. 1980; SMNH GoogleMaps 9 ♀♀; same collection data as for preceding; 3–10 Jun. 1982; SMNH GoogleMaps 1 ♀; same collection data as for preceding; 25 Jun. 1981; SMNH GoogleMaps 2 ♂♂, 2 ♀♀; same collection data as for preceding; 10–14 Oct. 1982; SMNH GoogleMaps 2 ♂♂, 1 ♀; same collection data as for preceding; 29 May 1984; SMNH GoogleMaps 2 ♂♂, 3 ♀♀; same collection data as for preceding; 10–11 Oct. 1985; SMNH GoogleMaps 1 ♂; same collection data as for preceding; 16 Apr. 1981; M.A. Kozlov leg.; ZMMU GoogleMaps 3 ♀♀; same collection data as for preceding; 29 Sep. 1983; K.Y. Eskov leg.; ZMMU GoogleMaps 3 ♀♀; Fergana Mts , vicinity of Arslanbob Town; 41°20.0′– 41°22.3′ N, 72°56.5′– 72°58.0′ E; 1550–2100 m a.s.l.; 23 Jun. 1981; S. Zonstein leg.; SMNH GoogleMaps 18 ♀♀; same collection data as for preceding; 2–9 Jul. 1981; SMNH GoogleMaps 3 ♂♂, 4 ♀♀; same collection data as for preceding; 27 Sep.–12 Oct. 1983; SMNH GoogleMaps 17 ♂♂, 23 ♀♀; same collection data as for preceding; 22–24 Oct. 1992; SMNH GoogleMaps 1 ♀; Fergana Mts , Arslanbob Canyon; 41°24′ N, 72°58′ E; 2400 m a.s.l.; 5 Oct. 1982; S. Zonstein leg.; SMNH GoogleMaps 2 ♀♀; same collection data as for preceding; 2200 m a.s.l.; 30 Sep. 1983; S. Zonstein leg.; SMNH GoogleMaps 2 ♀♀; same collection data as for preceding; 2600–3000 m a.s.l.; 17 Jul. 1991; S. V. Ovchinnikov leg.; SMNH GoogleMaps 1 ♀; Fergana Mts , northern slope below Kenkol Pass; 41°32.6′ N, 73°02.5′ E; 2200 m a.s.l.; 21 Jul. 1993; S. Zonstein leg.; SMNH GoogleMaps 5 ♀♀; Fergana Mts , Karaungur Canyon, vicinity of Kenkol Lake; 41°31′ N, 73°02′ E; 1800 m a.s.l.; 16 Jul.1995; leg. S. Zonstein leg.; SMNH GoogleMaps 1 ♀; Fergana Mts , Kugart Canyon, near Kara-Alma Village; 41°13′ N, 73°20′ E; 1400–1500 m a.s.l.; 29 May 1979; S. Zonstein leg.; SMNH GoogleMaps 1 ♀; Fergana Mts , Yassy Canyon, Zindansai Gorge, 2.5 km N of Akterek Village; 40°53′ N, 73°41′ E; 1400 m a.s.l.; 18 Aug. 1985; S. Zonstein leg.; SMNH GoogleMaps 1 juv.; Alash Mts , Toskaul Canyon, Kerege-Tash Gorge; 41°15.5′ N, 72°39.4′ E; 1500 m a.s.l.; 13 May 1993; S. Zonstein leg.; SMNH GoogleMaps 4 ♀♀; Surentyube Mts , Changet Canyon , Telek (Toluk) Gorge; 40°57′ N, 73°11′ E; 1400 m a.s.l.; 9 Apr.1983; S. Zonstein leg.; SMNH GoogleMaps 2 juvs; same collection data as for preceding; Sarybulak Gorge ; 40°59′ N, 73°17′ E; 1600 m a.s.l.; 2 Oct.1985; S. Zonstein leg.; SMNH GoogleMaps .

Description

Male (lectotype MNHN 6506–B.361)

The figures used also partially refer to the most similar male from the vicinity of Arslanbob.

HABITUS. As shown in Figs 28, 29, 32, 33. View Figs 28–35

MEASUREMENTS. TBL ca 11.50, CL 4.56, CW 4.21, LL 0.47, LW 0.90, SL 2.35, SW 1.98.

COLOUR. Carapace, palps and legs medium foxy brown; tibia I slightly darker than other segments of legs I–IV; eye tubercle blackish brown; chelicerae medium red; sternum, labium and maxillae light yellowish brown; abdomen grayish brown, dorsally with brownish dorsal chevron-like pattern; epigastrum, book-lungs and spinnerets light yellowish brown.

CEPHALOTHORAX. Carapace and chelicerae as shown in Fig. 107 View Figs 100–108 . Clypeus and eye group as in Fig. 162 View Figs 160–171 . Eye diameters and interdistances: AME 0.15(0.20), ALE 0.26, PLE 0.20, PME 0.14;AME–AME 0.12(0.07), ALE–AME 0.08(0.06), ALE–PLE 0.07, PLE–PME 0.05, PME–PME 0.32. Anterior cheliceral edge with unmodified setae; intercheliceral tumescence absent (see Fig. 201 View Figs 196–201 ). Each cheliceral furrow with 10 promarginal teeth and 4 mesobasal denticles (as in Fig. 343 View Figs 334–348 ). Sternum, labium and maxillae as shown in Figs 226 View Figs 220–228 , 344 View Figs 334–348 . Maxillae with 12–14 cuspules each.

LEGS. Tibia and metatarsus I as in Figs 286 View Figs 282–289 , 308 View Figs 290–309 . Scopula: entire and distal on metatarsi I–II; entire on tarsi I–II; vestigial on tarsi III–IV. Trichobothria: 2 rows of 8 each on tibiae, 12–15 on metatarsi, 12–13 on tarsi, 9 on cymbium. Trichobothrial bases and tarsal organ of leg I as shown in Figs 345–347 View Figs 334–348 . Paired tarsal claws wide, unpaired claw small and sharply inclined ventrad (as in Fig. 348 View Figs 334–348 ). PTC I–IV with 9–10 and 11 teeth on outer and inner margin, respectively.

SPINATION. Palp: femur d4, pd1, rd1; tibia d1, p3, r1, v6; cymbium d5. Leg I: femur d3, pd2; tibia p2, pv2, r2, rv2+ 2M. Leg II: femur d3, pd3; tibia p2, v6; metatarsus p1, v5. Leg III: femur d4, pd3, rd2; patella p2, r1; tibia d1, p4(3), r3, v6; metatarsus d4, p3, r3, v7(6). Leg IV: femur d4, pd3, rd2; patella r1; tibia d4, p3, r4, v6; metatarsus d4, p5, r4, v9. Palpal patella, patellae I–II, metatarsus I and tarsi I–IV aspinose.

PALP. Tibia, cymbium and copulatory bulb as shown in Fig. 376 View Figs 364–378 . Long, thin and very gently S-shaped embolus gradually tapering to apex ( Figs 29 View Figs 28–35 , 454–455 View Figs 448–456 , 478 View Figs 475–486 ).

SPINNERETS. See Figs 486 View Figs 475–486 , 614 View Figs 611–618 . PMS: length 0.28, diameter 0.13. PLS: maximal diameter 0.35; length of basal, medial and apical segments 0.60, 0.40, 0.38; total length 1.38; apical segment triangular.

Female (paralectotype MNHN 6506–B.361)

The figures used also partially refer to the most similar female from Arslanbob.

HABITUS. As shown in Fig. 60. View Figs 54–62

MEASUREMENTS. TBL ca 12.50, CL 3.98, CW 3.42, LL 0.40, LW 0.77, SL 2.03, SW 1.80.

COLOUR. As in male, but uniformly coloured legs I–IV slightly paler; abdomen dorsally with more contrasting chevron-like pattern.

CEPHALOTHORAX. Carapace and chelicerae as shown in Fig. 133 View Figs 127–135 . Clypeus and eye group as in Fig. 192 View Figs 184–195 . Eye diameters and interdistances: AME 0.13(0.17), ALE 0.20, PLE 0.13, PME 0.11; AME–AME 0.11(0.07), ALE–AME 0.07(0.05), ALE–PLE 0.05, PLE–PME 0.03, PME–PME 0.28. Cheliceral rastellum absent. Each cheliceral furrow with 9 promarginal teeth and 3–4 mesobasal denticles. Sternum, labium and maxillae as shown in Fig. 253 View Figs 247–255 . Maxillae with 17–22 cuspules each.

LEGS. Scopula: entire and distal on metatarsi I–II; entire on palpal tarsus and tarsus I; narrowly divided by setae on tarsus II, absent on tarsi III–IV. Trichobothria: 2 rows of 9 each on tibiae, 12–14 on metatarsi, 11–12 on tarsi; 9 on palpal tarsus. Palpal claw with 4 promarginal teeth. PTC I–II with 5 teeth on each margin; PTC III–IV with 4 and 5–6 teeth on outer and inner margin, respectively.

SPINATION. Femora I–IV with one basodorsal spine and 3 dorsal spikes; palpal femur dorsally with 3 spikes; palpal patella, patellae I–II, and tarsi I–IV aspinose. Palp: femur pd1; tibia v7; tarsus v8(3). Leg I: femur pd1; tibia v5; metatarsus v5. Leg II: femur pd1; tibia p2, v5; metatarsus v6. Leg III: femur rd1; patella p1, r1; tibia d1, p2, r2, v7; metatarsus d3, p3, r3, v7. Leg IV: femur rd1; patella p1, r1; tibia d1, p2, r2, v7; metatarsus d1, p4, r3, v7.

SPERMATHECAE. Each of paired spermathecae Y-shaped with narrow base carrying two equally thick, long and weakly diverging branches ( Fig. 547 View Figs 537–554 ).

SPINNERETS. See Fig. 615 View Figs 611–618 . PMS: length 0.38, diameter 0.17. PLS: maximal diameter 0.69; length of basal, medial and apical segments 1.08, 0.64, 0.63; total length 2.35; apical segment triangular.

Variation

Carapace length in conspecific males (n= 21) varies from 4.14 to 5.62, in females (n =28) from 4.52 to 7.33. Variation in the colouration, in the structure of the eye group, and the male tibia and metatarsus I, as shown in Figs 30–33 View Figs 28–35 , 163 View Figs 160–171 , 193 View Figs 184–195 , 287 View Figs 282–289 . Variation in the structure of the copulatory bulb and the spermathecae as shown in Figs 456–458 View Figs 448–456 View Figs 457–465 and 548–550 View Figs 537–554 , respectively.

Ecology

Most of the collected spiders were found hiding in soil cavities under stones, or in leaf litter, in tall and dense montane forest at 1200–2200 m a.s.l., dominated by walnut, Juglans regia ( Figs 731–734 View Figs 731–738 ). Other specimens occured in a shrubland and fragmentary woodland area at 1000–1250 m a.s.l. (i.e., within the transition zone below the lower forest boundary), or in subalpine and alpine meadows at 2200–3000 m a.s.l., above the forested midland belt.

Distribution

Kyrgyzstan: Fergana Mts, including the northwestern spurs of this mountain ridge. See Fig. 760 View Figs 751–760 .

Notes

Simon (1891) very roughly defined the type locality of R. virgata as noted above. Bakhromova (2016) and Yunusov et al. (2022) noted this species for the entire Ferghana Depression (divided between Kyrgyzstan, Uzbekistan and Tajikistan), without making distinctions between the countries represented here. No actual records in Uzbekistan have been registered since the original description of this species (1891). Conversely, all the examined congeners collected from this part of Uzbekistan were found to belong to R. ferghanensis . The assumed record of R. virgata in Kazakhstan ( Logunov & Gromov 2012: 220) remains unconfirmed; most likely, it can be based on misidentified material.

SMF

Forschungsinstitut und Natur-Museum Senckenberg

SMNH

Department of Paleozoology, Swedish Museum of Natural History

ZISP

Zoological Institute, Russian Academy of Sciences

ZMMU

Zoological Museum, Moscow Lomonosov State University

V

Royal British Columbia Museum - Herbarium

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Nemesiidae

Genus

Raveniola

Loc

Raveniola virgata ( Simon, 1891 )

Zonstein, Sergei L. 2024
2024
Loc

Brachythele arnoldii

Zonstein S. L. 1985: 159
Zonstein S. L. 1984: 42
1984
Loc

Brachythele virgata

Roewer C. F. 1942: 196
Reimoser E. 1919: 188
Simon E. 1903: 965
1903
Loc

Brachythele virgata

Simon E. 1891: 304
1891
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