Paravaejovis spinigerus: Difference between revisions
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''Hoffmannius spinigerus'' is a medium-sized [[scorpion]] with large adult males and females reaching nearly 60–70 mm, weighing approximately 9.5 mg.<ref>Oscar, F. Francke, and Lorenzo Prendini. "Phylogeny and Classification of the Giant Hairy Scorpions, Hadrurus Thorell (Iuridae Thorell): A Reappraisal." Systematics and Biodiversity 6.2 (2008): 205-23. ProQuest. Web. 22 Oct. 2014.</ref> It can be differentiated from the [[Arizona bark scorpion]] (''Centruroides sculpturatus'') by the brownish-tan stripes on the back of its tail along the keels or ridges; the tail is typically thicker than the hands and pedipalps, both of which are quite slender in the bark scorpions. Some others may have a base color of light yellow/golden brown with variable underlying ducky markings along its tail.<ref>Hughes, Garrett Brady. "Morphological analysis of montane scorpions of the genus Vaejovis (Scorpiones: Vaejovidae) in Arizona with revised diagnoses and description of a new species." Journal of Arachnology 39.3 (2011): 420-438.</ref> The name ''spinigerus'' is derived from the spiniform granules at the ends of the dorsal keels of the tail. |
''Hoffmannius spinigerus'' is a medium-sized [[scorpion]] with large adult males and females reaching nearly 60–70 mm, weighing approximately 9.5 mg.<ref>Oscar, F. Francke, and Lorenzo Prendini. "Phylogeny and Classification of the Giant Hairy Scorpions, Hadrurus Thorell (Iuridae Thorell): A Reappraisal." Systematics and Biodiversity 6.2 (2008): 205-23. ProQuest. Web. 22 Oct. 2014.</ref> It can be differentiated from the [[Arizona bark scorpion]] (''Centruroides sculpturatus'') by the brownish-tan stripes on the back of its tail along the keels or ridges; the tail is typically thicker than the hands and pedipalps, both of which are quite slender in the bark scorpions. Some others may have a base color of light yellow/golden brown with variable underlying ducky markings along its tail.<ref>Hughes, Garrett Brady. "Morphological analysis of montane scorpions of the genus Vaejovis (Scorpiones: Vaejovidae) in Arizona with revised diagnoses and description of a new species." Journal of Arachnology 39.3 (2011): 420-438.</ref> The name ''spinigerus'' is derived from the spiniform granules at the ends of the dorsal keels of the tail. |
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''Hoffmanius spinigerus'' was placed into the |
''Hoffmanius spinigerus'' was placed into the genus ''Paravaejovis'' in 2013.<ref>{{Cite journal|last=Lorenzo.|first=Prendini,|last2=Edmundo.|first2=González-Santillán,|date=2013-12-02|title=Redefinition and generic revision of the North American vaejovid scorpion subfamily Syntropinae Kraepelin, 1905, with descriptions of six new genera. (Bulletin of the American Museum of Natural History, no. 382)|url=http://digitallibrary.amnh.org/handle/2246/6459|language=en-US}}</ref> |
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==Habitat== |
==Habitat== |
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Revision as of 03:47, 12 September 2017
| Paravaejovis spinigerus | |
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| Family: | Vaejovidae
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| Species: | P. spinigerus
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| Paravaejovis spinigerus (Wood, 1863)
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Paravaejovis (Hoffmannius) spinigerus,[1] commonly known as the Stripe-tailed scorpion or the "devil" scorpion, is very common and widely distributed in Arizona and southwestern New Mexico. This species is one of larger members of the eusthenura group of the genus Hoffmannius, which also includes Hoffmannius coahuilae and H. confusus.
Description
Hoffmannius spinigerus is a medium-sized scorpion with large adult males and females reaching nearly 60–70 mm, weighing approximately 9.5 mg.[2] It can be differentiated from the Arizona bark scorpion (Centruroides sculpturatus) by the brownish-tan stripes on the back of its tail along the keels or ridges; the tail is typically thicker than the hands and pedipalps, both of which are quite slender in the bark scorpions. Some others may have a base color of light yellow/golden brown with variable underlying ducky markings along its tail.[3] The name spinigerus is derived from the spiniform granules at the ends of the dorsal keels of the tail.
Hoffmanius spinigerus was placed into the genus Paravaejovis in 2013.[4]
Habitat
Found in the Sonoran desert (Arizona, New Mexico and parts of California), commonly found under rocks and surface objects, such as sleeping bags or shoes, or on sandy soils in a variety of habitats, from desert floor to rocky hillsides. It seeks the most humid areas it can find.[5]
Ecology
Diet
Like most scorpions, Paravaejovis (Hoffmannius) spinigerus feeds primarily on small invertebrates, including other scorpions, as well as crickets, meal worms and roaches.[6]
Predators
Pallid birds, meerkats, "sand-swimmer" snakes, spiders, centipedes, lizards, birds, mammals and other scorpions all prey on Hoffmannius spinigerus.
Venom
Like all scorpions, Paravaejovis (Hoffmannius) spinigerus is venomous [7] however the venom of this species is not medically significant for humans or other mammals and is not considered dangerous.
Mating/Reproduction
Smell and vibrations are two ways the Hoffmannius Spinigerus mate with other scorpions. When a couple find each other, they may display a dance with each other that can take a few minutes to hours. After they are finished dancing with each other, they will go their separate ways. If the male stays dancing longer than the female, the female will then attack him and eat him. The offspring grows inside of the female scorpion and be born alive from her body [8] You will notice the females posture is different from any other scorpion during this gestation period, which usually lasts for 3–8 months. Her body will look very inflexible and rigid. Around the time of birth, her front legs will be lowered, allowing the offspring to come out of her body. Some will emerge one at a time with a few minutes apart, others will emerge all at once at a constant flow. Her stiff posture will remain until all of the offspring have left her body. She will care for them and carry them on her back up until they go through the first molting period. "Scorplings" (her offspring) can range anywhere from 1- 100 at a time. Depending on the species and their environmental factors, the mothers will either care for them or eat them. We are still unsure about why that is.[9]
References
- ^ Updates to Vaejovidae 2008
- ^ Oscar, F. Francke, and Lorenzo Prendini. "Phylogeny and Classification of the Giant Hairy Scorpions, Hadrurus Thorell (Iuridae Thorell): A Reappraisal." Systematics and Biodiversity 6.2 (2008): 205-23. ProQuest. Web. 22 Oct. 2014.
- ^ Hughes, Garrett Brady. "Morphological analysis of montane scorpions of the genus Vaejovis (Scorpiones: Vaejovidae) in Arizona with revised diagnoses and description of a new species." Journal of Arachnology 39.3 (2011): 420-438.
- ^ Lorenzo., Prendini,; Edmundo., González-Santillán, (2013-12-02). "Redefinition and generic revision of the North American vaejovid scorpion subfamily Syntropinae Kraepelin, 1905, with descriptions of six new genera. (Bulletin of the American Museum of Natural History, no. 382)".
{{cite journal}}: Cite journal requires|journal=(help)CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link) - ^ Wolf, Harold. The Pectine Organs of the Scorpion, Vaejovis Spinigerus: Structure and (glomerular) Central Projections. N.p.: Elsevier Ltd, 2007. PDF.
- ^ Sissom, W. David. "The genus Vaejovis in Sonora, Mexico (Scorpiones, Vaejovidae)." Insecta Mundi (1991): 417.
- ^ Sissom, W. David. "A new species of Vaejovis (Scorpiones, Vaejovidae) from western Arizona, with supplemental notes on the male of Vaejovis spicatus Haradon." Journal of Arachnology (1993): 64-68.
- ^ Warburg, Michael R. "Scorpion Reproductive Strategies, Allocation and Potential; a Partial Review." European Journal of Entomology 108.2 (2011): 173-81. ProQuest. Web. 12 Nov. 2014.
- ^ Walker, Gabrielle. "The Collector." New Scientist Jul 26 2003: 38. ProQuest. Web. 22 Oct. 2014.
- ^ Warburg, Michael R. "Scorpion Reproductive Strategies, Allocation and Potential; a Partial Review." European Journal of Entomology 108.2 (2011): 173-81. ProQuest. Web. 12 Nov. 2014.