Showing posts with label Insect and Spider. Show all posts
Showing posts with label Insect and Spider. Show all posts

Thursday, January 24, 2013

Scorpion The Exotic Animal


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.

Wednesday, January 23, 2013

Tarantula Spider One Venomous Animals


Tarantula spider belongs to the family Theraphosidae. Most of the big and hairy species but there are smaller species as well. There are about 900 species of tarantulas and tarantulas are found across the world, from the tropical environment to the desert. Some arboreal species while others live and hunt on the ground. The name originally referred to a tarantula spider wolf Europe only and can be traced to the Italian city of Taranto. The name was then used for all spiders Theraphosids when Europe began to explore areas that have a lot of big spiders, such as America.

Tarantula is a particularly predatory attack other insects, but larger species will also eat small reptiles, amphibians, rodents and birds that have resulted in their being referred to as the bird spider. Venomous tarantulas and use poison to kill their prey. But most of the species are harmless to humans. The most dangerous species produce toxins that will cause extreme discomfort, sometimes lasting for days, but the bite will not kill humans unless an allergic reaction occurs. No deaths have been associated with a tarantula spider. Although they do not spin nets for hunting, all species of tarantulas can produce silk every sleep many species in silk tents, while others use silk to reinforce the walls in their pores. They can also use silk to help them climb.

Tarantula has anatomy similar to other spiders and you can read more about the anatomy of spiders by visiting our spider parts.

Some tarantula species show sexual dimorfisme, males are usually smaller and have a dull coloration than females. Males in some species have hooks tibialis used to hold the female while mating. Tarantula teen sex can be determined by the fact that male tarantulas have cast exuvium to fusillae exiandrous or spermathecae while women do not. It is also possible to do this but the ventral sexing less reliable, especially because it is hard to do what is right.

Male tarantulas have a shorter life span than women, and many who died soon after due date, something that happened on 2-10 years depending on the species. Tarantula females can live up to 30-40 years when kept in good condition in captivity. The oldest tarantula live to 49 years. This age may be very rare in the wild because predasi. There are many animals that eat tarantulas, including parasitic wasp, tarantula hawks, which lay their eggs in and let a tarantula spider become a food source for the larvae.

In the pet trade, women are more sought after and therefore quite often more expensive. This is especially due to the fact that they live longer. Tarantula most wild caught adult male who may not be long left to live. This male-female ratio skew due to the fact that men roam around more while women living in and close their pores. Men are more likely to end up in the hands of a tarantula catcher.

Tarantula reproduce through internal fertilization. Male insert his pedipalpus to opithosoma female spiders, the opening in the lower abdomen. Get male semen into her pedipals to release semen into the web it was spinning on the ground and then put in a small pond pedipalpus semen. The pedipalpus absorb the semen and keep it up to the right of a woman to be found. Men should leave the scene quickly after mating or woman who can eat brother smaller. Actually eaten rare but if there is enough space for men to retreat. After mating, the female tarantula lay eggs 50-2000 (depending on size and type). Eggs stored in silk bags and guarded by the female until hatched offspring after 6-7 weeks. Small spiders still have some left their yolk sac and will live in that for the first day before leaving the safety of their mother's pores. Small spiders are often referred to as spiderlings.