Latest Latrodectus Stories
Michael Harper for redOrbit.com – Your Universe Onlinebla In certain parts of the U.S. – Arizona, for example – black widow spiders are quite common. While this familiarity might not make them any less frightening, people in these areas are at least aware of the tiny eight-legged predators and know how to respond when they happen to cross paths with one of these potentially deadly arachnids. Recently, however, these spiders have been showing up in some very unusual places,...
Lee Rannals for redOrbit.com - Your Universe Online Even Australia's most common dangerous spider is no match for a nearly forgotten 200 year old flying insect, according to recent findings. The wasp, Agenioideus nigricornis, was first discovered in 1775 by Danish etymologist Johan Christian Fabricius. Recently, researchers from the University of Adelaide said the small wasp is a predator of the redback spider. "Since then, scientists have largely forgotten about the wasp," said...
redOrbit Staff & Wire Reports - Your Universe Online First discovered in Florida in 1935, Brown widow spiders are still considerably new to North America. However, after being discovered in southern California in 2003, they have been so successful that they may be displacing native black widow spiders. Researchers believe that the overall hazard to homeowners may decrease because brown widow spider bites are less toxic than those of native western black widow spiders. In the...
The Life, Earth and Health Sciences Magazine publishes insights into specific subjects of all areas of natural science. The latest review covers False Widow Spider which is named after the behavior of the female of eating the male after mating and Glabella which is the space between the eyebrows and above the nose in humans. Mannheim, Germany (PRWEB) April 26, 2012 The Life, Earth and Health Sciences Magazine publishes insights into subjects in all areas of natural sciences including...
The Life, Earth and Health Sciences Magazine EurekaMag.com publishes insights into specific subjects of all areas of natural science. The latest review cover Carbon Footprint which is the total set of greenhouse gas (GHG) emissions caused by an organization, event, product or person, False Widow Spider which are named after the behavior of the female of eating the male after mating, and Silene Stenophylla which is a species of flowering plant in the family Caryophyllaceae and grows in the...
"The strength of spider dragline silk exceeds that of any material produced in laboratories, by far. All attempts to manufacture threads of similar strength have failed thus far," explains Professor Horst Kessler, Carl von Linde Professor at the Institute for Advanced Study at the TU Muenchen (TUM-IAS). In collaboration with the workgroup of Prof. Thomas Scheibel, who was a researcher at the TU Muenchen until 2007 and who now holds a chair of the Institute of Biomaterials at the Universitaet...
Researchers have found that Australia's deadly redback spider has established itself in New Zealand, which poses a significant risk to humans as it threatens to colonize major cities. Scientists said the venomous redback, which is a relative of the black widow, probably found its way over there by riding on imported goods from Australia. They said that it established itself at sites on both the North and South Islands. The government's AgResearch institute said in a study this month that...
Venomous redback spiders, named after their fiery markings, are invading Japan's Osaka region, a wildlife expert recently warned.It is believed that that they actually arrived years ago aboard a cargo ship coming from Australia, most likely in a container of Australian woodchips.Japan Wildlife Research Centre official Toshio Kishimoto reports that as many as a dozen people have been bitten, including a 6-year-old boy in June, who received the first antivenom treatment in Japan."Their...
A South African spider more poisonous than its cousin the black widow is spreading throughout the most southern part of California, authorities said. The brown widow first was spotted in San Diego in 2004 and since has multiplied by the thousands, KTLA-TV reported Tuesday. The brown widow recently was seen as far south as Imperial Beach, near the Mexican border, and as far north as Carlsbad in northern San Diego County. Brown widows are also being seen inland, rather than just in ocean...
A Welsh couple returning home from a five-year stay in North America said they discovered a black widow spider stowing away in a garden hose. Mike Newman, 53, said he and his wife, Trish, has just returned from San Francisco when a mover helping them unpack at their Kinnerton house found the venomous spider and a sack of its eggs in a hose they brought back from the United States, WalesOnline.com reported Thursday. The woman from the removal firm was very calm to be fair, Newman said. I had...
Latest Latrodectus Reference Libraries
The Redbacked Jumping spider (Phidippus johnsoni) is one of the largest and most common jumping spiders in the western parts of North America. It is not to be mistaken for the highly venomous and unrelated Redback spider (Latrodectus hasselti). The Redbacked Jumping spider may inflict a painful bite in self defense if threatened, although there are not any serious medical consequences. Adult Redbacked Jumping spiders are usually about 0.4 inches in length. Although the female has an...
The Biting Spider or False Black Widow (Steatoda nobilis) is a species of arachnid native to the Canary Islands. It was accidentally introduced to England around 1870 through imported bananas that were sent to Torquay. It is also found in continental Europe and Africa. Its range is extending northwards and is expected to someday be prominent in the United Kingdom. This spider resembles the black widow and is sometimes though to be one when spotted. It has a round, over-sized abdomen which...
The Triangulate Cobweb Spider (Steatoda triangulosa), also known as the Triangulate Bud Spider, is a species of common house spider that is found throughout the world. It is found along the coasts in North America, in southern Russia, in New Zealand, and in Europe. It is largely believed to be native to Eurasia. This spider is well known for the triangle-shaped pattern on the upper side of its abdomen. The adult female is 0.13 to 0.25 inches long. It has a brown-orange cephalothorax...
The Dark Comb-footed Spider (Steatoda grossa), also known as the Cupboard Spider, Brown House Spider, or False Black Widow (several other species are generally known by these names as well), is a species of arachnid found throughout the world, including the coasts of North America, Europe, Australia and New Zealand. One North American spider ( Steatoda borealis), is a closely related species of Steatoda grossa. There are recent reports of this spider breeding in the United Kingdom as well....
The Black Cobweb Spider (Steatoda capensis), also known as the Brown House Spider and Cupboard Spider, is a species of arachnid commonly found throughout southern Africa. It has been introduced to Australia and New Zealand. In New Zealand it is commonly known as the false katipo. This small spider is mostly shiny black and may have a small bright red, orange, or yellow patch near the tip of the abdomen. There may also be a crescent shaped band near the front of the abdomen. The bite of...
