Brown recluse spiders
A community portal about Brown recluse spiders with blogs, videos, and photos. According to Wikipedia.org: The brown recluse spider is a venomous spider, Loxosceles reclusa, of the family Sicariidae. It is usually between ¼ and ¾ inch... [more]
A community portal about Brown recluse spiders with blogs, videos, and photos. According to Wikipedia.org: The brown recluse spider is a venomous spider, Loxosceles reclusa, of the family Sicariidae. It is usually between ¼ and ¾ inch but may grow larger. It is brown and usually has markings on the dorsal side of its cephalothorax, with a black line coming from it that looks like a violin with the neck of the violin pointing to the rear of the spider resulting in the nickname "fiddleback spider" or "violin spider". Coloring varies from light tan to brown and the violin marking may not be visible. Since the "violin pattern" is not diagnostic, and other spiders may have similar marking and pirate spiders ), for purposes of identification it is far more important to examine the eyes. Differing from most spiders, which have 8 eyes, recluse spiders have 6 eyes arranged in pairs with one median pair and 2 lateral pairs. Only a few other spiders have 3 pairs of eyes arranged this way, and recluses can be distinguished from these as recluse abdomens have no coloration pattern nor do their legs, which also lack spines. Recluse spiders build irregular webs that frequently include a shelter consisting of disorderly threads. These spiders frequently build their webs in woodpiles and sheds, closets, garages, and other places that are dry and generally undisturbed. Unlike most web weavers, they leave these webs at night to hunt.
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The Northern Black Widow spider is venomous and can harm people. However, the female injects such a small dose of venom that it rarely causes death. Reports indicate human mortality at well less than 1% from black widow spider bites. While Latrodectus variolus is not aggressive and does not have the instinct to bite, her venom is neurotoxic, which means that it blocks the transmission of nervous impulses. If the spider bites, most likely it has been pressed against human bare skin, and this causes a natural reaction, a bite in self-defense. For the most part, the black widow's bite may be felt only as a pin prick, during which the spider's fangs inject a minute amount of highly toxic venom under the skin. The severity of the victim's reaction depends on his or her age and health, and on the area of the body that is bitten. Local swelling and redness at the site may be followed in one to three hours by intense spasmodic pain, which can travel throughout the affected limbs and body, settling in the abdomen and back (intense abdominal cramping, described as similar to appendicitis), and can last 48 hours or longer. Elderly patients or young children run a higher risk of severe reactions, but it is rare for bites to result in death; only sixty-three having been reported in the United States between 1950 and 1959 (Miller, 1992). Other symptoms can include nausea and profuse perspiration. If left untreated, tremors, convulsions and unconsciousness may result. When death does occur, it is due to suffocation. In North America, there are very few types of insects that carry venom or poison and none whose venom is dangerous. It is possible, however, for an insect bite or sting to cause an allergic reaction that can range from a mild local reaction to something like a severe asthma attack. In extreme allergic reactions, your airways can close up and you can even stop breathing. The insect responsible for the largest number of severe allergic reactions is the yellow jacket wasp. Considering both multiple stings and allergic reactions to single stings, insects actually harm or even kill (in rare cases) more than three times as many North Americans as snakes do
Guanine which is derived from bat guano (dung) is used in the making of mascara but is produced synthetically.
Davy Crockett was born on August 17, 1786 near the Nolichucky River in what is now Greene County, Tennessee. A re-creation of his birthplace cabin stands in Davy Crockett Birthplace State Park along the Nolichucky near Limestone, Tennessee.[3] His father's ancestors were of Scots-Irish and Anglo-Irish descent, while his mother's ancestors appear to have been exclusively English. Tradition has it that David Crockett's father was born on this family's migrational voyage to America from Ireland, but, in fact, it is his great-grandfather, William David Crockett, who was registered as being born in New Rochelle in 1709.
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