There are around 2000 different species of scorpions. They are found in most of the southern region around 49 ° N except Antarctica and New Zeeland. They can accept a variety of desert summer temperatures well below zero. Several genera of scorpions (ex. Euscorpius, bothriurid,) can survive-25C. All know species of predatory arthropods, not insects, and have eight legs. All species of scorpions of neon and glow under UV light.
Scorpions active at night and spend most of the day hiding in the cool pores in basements or under a rock and hit a tree trunk. They avoid the light at anytime they can. They come out at night to hunt insects, small arthropod and small reptiles. They hunt to catch their pray with their pinchers called chelae. Some prey species from destroying more poisonous varieties while others inject their prey with venom neurotoxin presented by stinger at the tip of the tail. This poison will kill or paralyze prey so the scorpion can eat it. They may just like a spider's only liquid food.
Natural predators include birds scorpions, centipedes, lizards, mice, possums, and rats.
Scorpions have a body divided into two segments of the cephalothorax (also called the prosoma) and abdomen (opisthosoma).
Cephalothorax is also called the prosoma. A more common name for the cephalothorax is to simply call the head of a scorpion. This is the part that contains the carapace, eyes, chelicerae (mouth parts), pedipalpus (claws) and four pairs of walking legs.
The opisthosoma or abdomen consists of two distinct parts, mesosoma and metasoma (tail scorpion). Mesosoma is the front of the stomach and consists of six segments. The first segment of the mesosoma, the front half of the stomach, consisting of six segments. First two segments are segments of my most important to mention first segment contains the sexual organs as well as a complementary pair of vestigial and modified form structures called genital operculum. The second segment bears a pair of sensory organs known as pectines featherlike, final four segments each contain a pair of book lungs. All segments plated.
Metasoma, more popularly known as the tail also contains six segments. The latter of which contains the stinger of a scorpion (Telson) and anus of a scorpion. The teslon / stinger containing venom glands contained in vesicles and stinger itself, aculeus syringes.
No comments:
Post a Comment