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Vaejovis brysoni

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Vaejovis brysoni is a species of scorpions belonging to the family Vaejovidae discovered in 2013 in the Santa Catalina Mountains of southern Arizona.[1] It was reportedly discovered in an area that overlooks the city of Tucson by Robert W. Bryson Jr., after whom the species is named. At the date of its discovery it became the tenth species of mountain scorpion known to occur in Arizona, and the second in the vorhiesi group to inhabit the specific mountain range.[1]

Description and near relatives

The female of the species has a body measurement of about 27.5 millimetres (1.08 in).[2] As to its behaviour, like other scorpions the female will carry its offspring on its back – up to 24 at one time. It is related to other creatures in the same genus and/or family such as the Vaejovis janssi, Hoffmannius spinigerus and H. coahuilae.

Sympatric range

Scorpions of the same evolutionary family inhabit the same region of the South West, particularly the southern regions of Arizona, some areas of Texas, New Mexico, and Mexico – the Sonoran region being their typical habitat. This species in particular was discovered in the Santa Catalina Mountains of Arizona near Tucson. Another scorpion of the same genus, Vaejovis deboerae, inhabits this mountain range creating the peculiar situation where two members of the vorhiesi species have been found inhabiting the same area, and this due to the isolation each mountain, even within the same range, provides.[3][4]

Species diversity

Arizona has many isolated mountain habitats in the desert known as sky islands and it is in these ranges where new species are being discovered: up to ten so far which is up from only four known species fifty years ago – all of whom belong to the same family. "This latest new scorpion is a prime example of the amazing diversity of life still to be discovered, right here in 21st century America," adds Richard F. Ayrey, one of the co-authors of the original paper published in the science journal ZooKeys.[3]

References

  1. ^ a b Suciu, Peter (19 February 2013). "New Scorpion Species Accidentally Discovered Near Tucson". Science. redOrbit.com. Retrieved 22 February 2013.
  2. ^ Ames, John (19 February 2013). "Catalinas home to newly discovered scorpion". CBS 5. Tucson News Now. Retrieved 21 February 2013.
  3. ^ a b "New scorpion discovery near metropolitan Tucson, Arizona". Science Daily. Pensoft Publishers. 19 February 2013. Retrieved 21 February 2013.
  4. ^ Ayrey, Richard; Webber Michael (2013). "A new Vaejovis C.L. Koch, 1836, the second known vorhiesi group species from the Santa Catalina Mountains of Arizona (Scorpiones, Vaejovidae)". ZooKeys (270): 21–35. doi:10.3897/zookeys.270.4500. PMC 3668420. PMID 23730187.
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Vaejovis brysoni: Brief Summary

provided by wikipedia EN

Vaejovis brysoni is a species of scorpions belonging to the family Vaejovidae discovered in 2013 in the Santa Catalina Mountains of southern Arizona. It was reportedly discovered in an area that overlooks the city of Tucson by Robert W. Bryson Jr., after whom the species is named. At the date of its discovery it became the tenth species of mountain scorpion known to occur in Arizona, and the second in the vorhiesi group to inhabit the specific mountain range.

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Vaejovis brysoni ( French )

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Vaejovis deboerae est une espèce de scorpions de la famille des Vaejovidae.

Distribution

Cette espèce est endémique d'Arizona aux États-Unis[1]. Elle se rencontre dans le comté de Pima dans les monts Santa Catalina.

Description

La femelle holotype mesure 33,14 mm et le mâle paratype 25,47 mm[1].

Systématique et taxinomie

Vaejovis brysoni[2] a été placée en synonymie par Jochim, Broussard et Hendrixson en 2020[3].

Étymologie

Cette espèce est nommée en l'honneur de Melinda DeBoer-Ayrey[1].

Publication originale

  • Ayrey, 2009 : « Sky Island Vaejovis: A new species (Scorpiones: Vaejovidae). » Euscorpius, no 86, p. 1-12 (texte intégral).

Notes et références

  1. a b et c Ayrey, 2009 : « Sky Island Vaejovis: A new species (Scorpiones: Vaejovidae). » Euscorpius, no 86, p. 1-12 (texte intégral).
  2. Ayrey & Webber, 2013 : « A new Vaejovis C.L. Koch, 1836, the second known vorhiesi group species from the Santa Catalina Mountains of Arizona (Scorpiones, Vaejovidae). » ZooKeys, no 270, p. 21-35 (texte intégral).
  3. Jochim, Broussard & Hendrixson, 2020 : « Integrative species delimitation and taxonomic status of the scorpion genus Vaejovis Koch, 1836 (Vaejovidae) in the Santa Catalina Mountains, Arizona. » Euscorpius, no 316, p. 1-11 (texte intégral).
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Vaejovis brysoni: Brief Summary ( French )

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Vaejovis deboerae est une espèce de scorpions de la famille des Vaejovidae.

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Vaejovis brysoni ( Vietnamese )

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Vaejovis brysoni là một loài bọ cạp trong họ Vaejovidae được phát hiện vào năm 2013 ở Núi Santa Catalina thuộc miền Nam Arizona. Rob Bryson đã phát hiện ra loài bọ cạp mới trong khi ông đang tìm kiếm một động vật hoàn toàn khác. Đây là lần đầu tiên khoa học ghi nhận có hai cá thể bọ cạp cùng nhóm vorhiesi sống ở cùng một vùng núi, điều đó cho thấy vẫn còn những loài mới được phát hiện ngay tại nước Mỹ. Thậm chí, bất ngờ hơn là người ta tìm thấy chúng trong một khu vực đô thị lớn.

Chú thích

Tham khảo

  •  src= Dữ liệu liên quan tới Vaejovis brysoni tại Wikispecies
  • Suciu, Peter (ngày 19 tháng 2 năm 2013). "New Scorpion Species Accidentally Discovered Near Tucson". Science. redOrbit.com. Truy cập ngày 22 tháng 2 năm 2013.
  • Ames, John (ngày 19 tháng 2 năm 2013). "Catalinas home to newly discovered scorpion". CBS 5. Tucson News Now. Truy cập ngày 21 tháng 2 năm 2013.
  • "New scorpion discovery near metropolitan Tucson, Arizona". Science Daily. Pensoft Publishers. ngày 19 tháng 2 năm 2013. Truy cập ngày 21 tháng 2 năm 2013.
  • Ayrey, Richard; Webber Michael (2013). "A new Vaejovis C.L. Koch, 1836, the second known vorhiesi group species from the Santa Catalina Mountains of Arizona (Scorpiones, Vaejovidae)". ZooKeys 270: 21–35. doi:10.3897/zookeys.270.4500.


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Vaejovis brysoni: Brief Summary ( Vietnamese )

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Vaejovis brysoni là một loài bọ cạp trong họ Vaejovidae được phát hiện vào năm 2013 ở Núi Santa Catalina thuộc miền Nam Arizona. Rob Bryson đã phát hiện ra loài bọ cạp mới trong khi ông đang tìm kiếm một động vật hoàn toàn khác. Đây là lần đầu tiên khoa học ghi nhận có hai cá thể bọ cạp cùng nhóm vorhiesi sống ở cùng một vùng núi, điều đó cho thấy vẫn còn những loài mới được phát hiện ngay tại nước Mỹ. Thậm chí, bất ngờ hơn là người ta tìm thấy chúng trong một khu vực đô thị lớn.

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Description

provided by Zookeys
Color of the holotype is light to medium brown, light brown to yellow on the legs, with underlying dark mottling on carapace and mesosoma. Metasoma is light brown with darker carinae. Metasomal segments are slightly wider than the vesicle. Small spinoid subaculear tubercle is present (Fig. 1). The pedipalp fixed finger has 5 to 6 ID denticles and movable finger has 6 ID denticles. Carapace:Anterior margin of the carapace is slightly emarginated, the posterior margin is straight. The carapace is moderately granular, with three lateral eyes present on each side. The median furrow is moderate and traverses the entire length of the carapace. The ratio of the location of the median eyes on the carapace (anterior edge/carapace length 0.73/3.75) = 0.19; carapace length/width at median eyes 3.75/2.35 = 1.60. The carapace is longer than metasomal segmentV.Mesosoma: Tergites are moderately granular with vestigial median carina on tergites I–VI. Tergite VII with weak median carina on anterior third and strong dorsal lateral and lateral supramedian granular carinae. Sternites I–V are finely granular and without carinae. Sternite V with weak granular ventral lateral carinae on middle 1/3. Presternites are smooth. Spiracles are ovoid with median side rotated 35 degrees from posterior sternite margin. Sternites with variable number of microsetae. Pectines:Pectinal tooth count is11/12. All pectinal teeth have exterodistal angling with a large sensorial area. Middle lamellae are 6/6. Fulcra are present. Each fulcra with 1–3 central setae.Metasoma: The carapace of the holotype female is longer than the fifth metasomal segment. Ratio of segment I length/width 0.93; of segment II length/width 1.03; of segment III length/width 1.18; of segment IV length/width 1.50; of segment V length/width 2.32. Segments I–IV: dorsolateral carinae are strong and granular to slightly dentate, with the distal denticle of I–IV enlarged and spinoid. Lateral supramedian carinae I–IV are strong and crenulate, with enlarged spinoid distal denticle. Lateral inframedian carinae are moderately granular on posterior 4/5 of segment I, 4/5 of II, 1/2 of III, and nearly obsolete on segment IV. Ventrolateral carinae on segment I, II, and III are moderate and granular; on IV moderate, granular and slightly serrate. Ventral submedian carinae are weak on segment I, weak to moderate on II, moderate, granular to slightly serrate on III and IV. The dorsal and lateral intercarinal spaces are very finely granular. Segment I–IV: ventral submedian setae count is 3/3. Segment V: dorsolateral carinae are moderate and slightly serrate on anterior 1/3. Lateromedian carinae are weak to moderate and granular on basal 3/5, and obsolete on distal 2/5. Ventrolateral and ventromedian carinae are strong and crenate to serrate. Intercarinal spaces are finely granular. Ventrolateral setae count 4/4. Telson:Smooth with four pairs of large setae on the ventral surface, three large setae are along both lateral edges of the vesicle with numerous smaller setae. A small spinoid subaculear tubercle is present. Chelicerae: The dorsal edge of movable cheliceral finger with two subdistal (sd) denticles. Ventral edge is smooth, with well developed serrula on distal half. Pedipalps: Trichobothrial pattern type C (Vachon 1974) (Fig. 12). Trichobothria ib and it near base of fixed finger. Pedipalp ratios: chela length/width 4.00; femur length/width 2.69; patella length/width 2.59; fixed finger length/carapace length 0.68. Chela:Carinae are moderate. Fixed and movable finger median denticles (MD) are aligned and divided into 6 subrows by 5 outer denticles (OD) and usually 6 ID denticles. Femur: Dorsal internal and external are moderate and granular; ventral internal granular to crenulate; ventral external are slightly serrate; dorsal and ventral surfaces are covered with fine granules; external surface is smooth. Patella:Internal surface are covered with very strong dentate to serrate granules on the DPSc carina. Dorsal external and internal are moderate and granular. Ventral internal carinae are strong and granular. External surface is rounded with scattered granulation; dorsal and ventral surfaces are covered with minute granules. Legs: Ventral surface of tarsomere II with single median row of spinules terminating distally with one spinule pair.
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Richard F. Ayrey, Michael M. Webber
bibliographic citation
Ayrey R, Webber M (2013) A new Vaejovis C.L. Koch, 1836, the second known vorhiesi group species from the Santa Catalina Mountains of Arizona (Scorpiones, Vaejovidae) ZooKeys 270: 21–35
author
Richard F. Ayrey
author
Michael M. Webber
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Distribution

provided by Zookeys
Vaejovis brysoni sp. n. is known only from the type locality above Molino Basin on the Catalina Highway near the Seven Cataracts Vista, Santa Catalina Mountains, Arizona, USA. The type localities of the 12 described species in the vorhiesi group from Arizona and western New Mexico are shown in Figure 13. Vaejovis brysoni sp. n. is widely allopatric with Vaejovis halli, Vaejovis vorhiesi, Vaejovis cashi, Vaejovis feti, and Vaejovis electrum (Fig. 13). Vaejovis brysoni sp. n. and Vaejovis deboerae both occur within the Santa Catalina Mountains, and their ranges may overlap, perhaps along the mid-elevation pine-oak woodlands between 1800–1900 m. The type specimens were found at night using a UV flashlight alongside the Catalina Highway. This area lies within open oak woodland and the transition zone from drier desert grassland to pine-oak woodland (Whittaker and Niering 1965). Several Pseudouroctonus apacheanus (Gertsch & Soleglad, 1972) and Centruroides sculpturatus Ewing, 1928 were also observed. In August of 2012, three captive female Vaejovis brysoni were observed with first instar juveniles (Fig. 3). The mean juvenile count was 23.67. The 1st instar orientation on the mother’s back was non-random, as is seen with many other species of Vaejovis (Hjelle 1974). They were facing anteriorly with the prosoma down and the metasoma raised over the prosoma of the juvenile immediately posterior to them. Morphometrics (mm) of female V. brysoni sp.n. versus other Vaejovis vorhiesi group species. Data on pectinal teeth with * from (Hughes 2011) and ** from (Sissom et al. 2012). Bold numbers are those which have no overlap with Vaejovis brysoni sp. n. Ratio ComparisonsVaejovis brysoni Vaejovis spp. Vaejovis brysoni (8) Vaejovis bandido (5) Vaejovis halli (3) Vaejovis deboerae (3) Vaejovis vorhiesi (3) Vaejovis cashi (3) Vaejovis feti (3) Vaejovis electrum (3) Vaejovis tenuipalpus (3) Total length Carapace length Ca L/MetV L 22.88–27.50 2.88–3.75 0.88–1.03 24.65–27.75 3.12–3.38 0.97–0.98 21.87–23.43 2.90–3.18 0.98–0.99 29.64–33.14 3.79–4.38 0.89–0.97 24.62–26.55 3.21–3.39 0.98–1.06 20.90–22.10 2.86–3.11 0.96–1.14 22.00–23.46 3.01–3.19 0.96–1.05 24.48–25.38 3.48–3.60 1.02–1.13 28.38–31.24 3.52–3.71 0.93–0.98 Segment I length/width 0.93–1.00 0.73–0.78 0.70–0.77 0.72–0.79 0.68–0.73 0.61–0.66 0.69–0.73 0.65–0.68 0.90–0.94 Segment II length/width 0.90–1.03 0.88–0.94 0.79–0.87 0.98–1.03 0.85–0.92 0.74–0.80 0.69–0.73 0.68–0.89 1.09–1.18 Segment III length/width 1.00–1.09 0.96–1.04 0.94–1.00 1.02–1.14 0.96–0.98 0.89–0.92 0.93–1.13 0.93–0.98 1.29–1.36 Segment IV length/width 1.34–1.61 1.35–1.44 1.27–1.50 1.48–1.60 1.39–1.62 1.28–1.39 1.35–1.60 1.33–1.46 1.74–1.83 Segment V length/width 2.15–2.82 2.02–2.16 1.79–2.11 2.10–2.32 2.08–2.22 2.05–2.15 2.07–2.24 1.81–1.91 2.49–2.52 Telson VesicleLength/width 1.60–2.06 1.59–1.69 1.68–1.85 2.22–2.43 1.63–1.72 1.56–1.71 1.62–1.87 1.45–1.62 1.60–1.77 Femurlength/width 2.87–3.22 2.86–3.07 2.83–3.33 2.74–2.90 2.87–3.22 2.74–3.02 2.89–3.41 2.78–3.19 3.81–3.83 Patellalength/width 2.47–3.29 2.83–3.21 2.89–3.63 2.91–3.16 3.12–3.19 2.86–3.03 2.53–2.66 2.86–2.94 3.72–3.85 Chela length/width Ff L/Ca L Ff L/Ch L 3.71–4.55 0.68–0.83 0.51–0.56 4.09–4.48 0.65–0.69 0.48–0.49 4.33–4.79 0.67–0.77 0.46–0.53 4.17–4.53 0.71–0.77 0.48–0.52 4.57–5.30 0.72–0.81 0.47–0.54 3.84–4.52 0.68–0.73 0.47–0.49 3.59–3.91 0.69–0.80 0.48–0.50 3.74–4.19 0.68–0.69 0.47–0.51 5.05–5.43 0.83–0.87 0.50–0.51 Pectinal Teeth 11–12 11.5(16) 11–12 11.1(10) 11–13 11.94(16) 12–13 12.17(6) 12–13 12.87(339)* 10–12 10.98(337)* 10 10.00(6) 11–12 11.75(96)* 11–12 11.15(26)**
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Richard F. Ayrey, Michael M. Webber
bibliographic citation
Ayrey R, Webber M (2013) A new Vaejovis C.L. Koch, 1836, the second known vorhiesi group species from the Santa Catalina Mountains of Arizona (Scorpiones, Vaejovidae) ZooKeys 270: 21–35
author
Richard F. Ayrey
author
Michael M. Webber
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