A scorpion (Pseudouroctonus sp.) in New Mexico, USA
by Alan Cressler
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A scorpion (Pseudouroctonus sp.) in New Mexico, USA
by Alan Cressler
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TODAY'S FACT IS
Did you know that the Southern Devil Scorpion (Vaejovis carolinianus) is a small scorpion found in the southeastern US? They can squeeze into small areas, including under doors, and will wander in all sorts of places looking for food. Barring a significant allergy, these scorpions can't hurt you any more than a bee sting would. Like all scorpions, they give live birth (up to 26 at a time, yeesh) and momma scorp will carry her little scorplings on her back.
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Photo by Kim Fleming
The Details of the Devil Scorpion
The devil scorpion, or stripe-tailed scorpion (Paravaejovis spinigerus) is a species of scorpion native to the Sonoran Desert in North America. It is found in a variety of habitats, including sandy soil and rocky canyons, and particularly prefers to hide under logs or in tight crevices. They may also be found in residential areas, particularly in dark cool areas such as basements or sheds.
Stripe-tailed scorpions can reproduce sexually or asexually. When males encounter females, they court by dancing around each other; but if the male dances longer than the female, she will attack and eat him. If females go for a long period without encountering a male mate, her eggs will mature without fertilization and all her offspring will be female clones of herself. In either case, the female carries embryos for 3-8 months and gives birth to a live clutch of up to 100 babies. If the mother chooses to care for them, instead of eating them, they will stay on her back for an additional 2-3 weeks before dispersing.
Devil scorpions are quite large, with adults reaching 6-7 cm (2.3-2.7 in) in length and weighing up to 9.5 g (0.3 oz). Females are differentiated from males by their fatter "swollen" abdomen. Adults have a brown or tan head, arms, and tail and a black body with thin brown stripes.
Like most scorpions, P. spinigerus is a carnivore. They predate on insects and smaller scorpions, which they hunt almost exclusively at night. They themselves are prey for a variety of predators including snakes, spiders, centipedes, lizards, birds, and larger scorpions. They are able to defend themselves with the venomous sting in their tail, although the venom is not significantly harmful to humans.
Conservation status: The devil scorpion has not been rated by the IUCN. Due to their large range, they are considered relatively stable, and they are moderately adapted to survive in urban areas.
Photos
Matt Felperin
Andrew Meeds
Bill Hubick
Round 3 - Arachnida - Scorpiones
(Sources - 1, 2, 3, 4)
Order: Scorpiones
Common Name: “scorpions”
Families: 20 - Pseudochactidae, Buthidae (“thick-tailed scorpions”, “arrowbreasted scorpions”), Chaerilidae, Belisariidae, Chactidae (“fatclaw scorpions”), Euscorpiidae (“shorttail scorpions”), Superstitioniidae (“Superstition Mountains Scorpion”), Troglotayosicidae, Typhlochactidae, Vaejovidae, Caraboctonidae (“hairy scorpions”), Hadruridae (“giant hairy scorpions”), Iuridae, Bothriuridae, Hemiscorpiidae, Hormuridae, Rugodentidae, Scorpionidae (“largeclaw scorpions”), Diplocentridae (“spinysting scorpions”), and Heteroscorpionidae
Anatomy: cephalothorax with a carapace; two eyes on the top of the cephalothorax, usually two to five pairs of eyes along the front corners of the cephalothorax; chelicerae (mouthparts) are pincer-like and have three segments and "teeth"; pedipalps are adapted into pinching chelae; five segmented “tail”, or metasoma, with a telson that contains a symmetrical pair of venom glands and bears a curved stinger, equipped with sensory hairs
Diet: mainly insects and other invertebrates; some larger species may also take small vertebrates
Habitat: all continents except Antarctica; mainly live in deserts but some have adapted to a wide range of environmental conditions
Evolved in: Early Silurian
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Propaganda under the cut:
Centruroides fallassisimus
A species of bark scorpion found in Guatemala.
image by John Sullivan
3.5 inch scorpion i caught a couple days ago btw
i have it next to my shoe for comparison i did kot squash him