Paravaejovis

Williams, 1980

Species Guides

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Paravaejovis is a of scorpions in the Vaejovidae containing approximately 11 described . The genus was established by Williams in 1980 and is distributed primarily in the southwestern United States and northern Mexico. One species, Paravaejovis spinigerus (Arizona stripetail ), is particularly well-known and common in Arizona and southwestern New Mexico.

Paravaejovis by (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda. Used under a CC-BY license.Paravaejovis confusus by Ethan Wright. Used under a CC BY 4.0 license.Paravaejovis spinigerus by Andrew Meeds. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Paravaejovis: /ˌpærəˈviːdʒoʊvɪs/

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Identification

Members of Paravaejovis can be distinguished from other vaejovid by a combination of morphological characters including specific arrangements of (sensory hairs) on the and metasoma, as well as details of and tergite . The genus was revised from previously recognized groupings within Vaejovis, with transferred based on phylogenetic and morphological analyses.

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Habitat

in this occupy a range of in arid and semi-arid regions, including desert flats, rocky slopes, and grassland areas. Paravaejovis spinigerus has been observed in desert thorn-scrub habitat with vegetation such as mesquite (Prosopis glandulosa), sweet acacia (Acacia constricta), and creosote (Larrea tridentata).

Distribution

The is distributed in the southwestern United States (primarily Arizona and New Mexico) and extends into northern Mexico. Individual have more restricted ranges within this broader region.

Behavior

Paravaejovis spinigerus has been observed to be , appearing at ultraviolet light traps. Like other scorpions, they are sit-and-wait .

Human Relevance

Paravaejovis spinigerus is a common in human-modified environments in Arizona and is frequently encountered by residents. The sting is generally considered medically insignificant to humans, causing local pain comparable to a sting, though individual reactions vary.

Similar Taxa

  • VaejovisFormerly included now placed in Paravaejovis; distinguished by morphological and phylogenetic characters including trichobothrial patterns
  • HoffmanniusSometimes used as a subgeneric designation for Paravaejovis; the relationship between these names has been subject to taxonomic revision
  • SerradigitusAnother vaejovid in the same , sharing general body plan but differing in specific morphological characters

More Details

Taxonomic History

The was established by Williams in 1980 to accommodate previously placed in Vaejovis. The type species is Paravaejovis spinigerus (originally described as Vaejovis spinigerus by Wood in 1863). Some authors have used Hoffmannius as a subgeneric name within Paravaejovis.

Species List

The 11 described are: P. confusus, P. diazi, P. eusthenura, P. galbus, P. gravicaudus, P. hoffmanni, P. pumilis, P. puritanus, P. schwenkmeyeri, P. spinigerus, and P. waeringi. Most were described or transferred by Williams in 1970 and 1980.

Sources and further reading