61. Tarantulas As Pets - Choosing A Tarantula Here, we will take a general look at the needs and care of tarantulas, When choosing a spider, avoid spiders that are hunched with their legs curled http://exoticpets.about.com/cs/tarantulas/a/tarantulasaspet.htm

var zLb=12; var zIoa1 = new Array('Suggested Reading','Tarantula Profiles and Care Sheets','http://exoticpets.about.com/cs/tarantulas/p/','Insects and Spiders 101','http://exoticpets.about.com/library/weekly/aa121702a.htm','Emperor Scorpions','http://exoticpets.about.com/library/weekly/aa091800a.htm'); var zIoa2 = new Array('Elsewhere on the Web','Arachnopets Care Sheets','http://www.arachnopets.com/tarantulas/tcss.htm','e-spiderworld.com','http://www.e-spiderworld.com/'); zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') About Exotic Pets Insects, Spiders and More Tarantulas Tarantulas as Pets - Choosing a Tarantula Exotic Pets Essentials Photo Gallery Pet Names ... Help w(' ');zau(256,140,140,'el','http://z.about.com/0/ip/417/C.htm','');w(xb+xb+' ');zau(256,140,140,'von','http://z.about.com/0/ip/496/7.htm','');w(xb+xb); FREE Newsletter Sign Up Now for the Exotic Pets newsletter! See Online Courses Search Exotic Pets click for more images Chilean Rose Tarantula - photo courtesy e-spiderworld.com John Hoke Stay up to date! click for more images Chilean Rose Tarantula - photo courtesy e-spiderworld.com

62. Araneae spiders of Black Rock Forest, Very good page with general Information on spiders spiders pictures, information, classification, general information on http://www.arachnology.org/Arachnology/Pages/Araneae.html

Araneae - Spiders (De)Mystifying Spiders Natural history, silk, webs, ... Ben Kruser. The Leader Magazine, Scouts Canada (Canada) A field guide to spiders in the house Some spider facts. Vicki Croke, The Boston Globe (USA) A Guide to Common Singapore Spiders A lot of pictures and information. Joseph K. H. Koh (Singapore) A Guide to Missouri Spiders Pictures and information. Conservation Department Missouri (USA) A Korean spider site A spider site from Dae-Chang Jang (in Korean) (Korea) A Natural History of Extrafloral Nectar-Collecting Ants in the Sonoran Desert Spider Predation. Barry Sullender. Rice University (USA) A nightmare on Mic Street: spiders What's Arachnophobia (fear for spiders)? Can they see you? Man's best friend! Spiders in the bath. Micscape Article. Maurice Smith (UK) A Spot of Speed Puts Spiders in a Spin Scientists at the United States National Aeronautics and Space Administration (NASA) have turned their attention from the mysteries of the cosmos to a more esoteric area of research: what happens when you get a spider stoned. Steve Connor (Sweden) A-to-Z Science - Spider The spider's body, The spider's silk, Hunting spiders, Web-spinning spiders, The life of a spider. DiscoverySchool.com (USA)

63. Latrodectus general Household Pests, Brown recluse spider, black widow, brown dog tick. spiders, With general info and Widow spiders, Brown spiders, Tarantulas, http://www.arachnology.org/Arachnology/Pages/Latrodectus.html

Latrodectus - Black Widows A Dangerous Female Some info. Philip Jensen (Canada) Bites and Stings Black widow, brown recluse and scorpions. Personal Safety. City of Phoenix (USA) Black Widow Lactrodectus hesperus. Desert USA, Digital West Media (USA) Black Widow Virginia Cooperative Extension (USA) Black widow With a distribution table of the best known species. Poisonous Plants and Animals. Thinkquest. Black widow With info and a picture of the Black widows, Latrodectus mactans. Bull's Pest Control (USA) Black Widow Spider Latrodectus mactans. Description, biology, control. National IPM Network, North Carolina Component (USA) Black Widow Spider Very nice pictures and info. Creature-Creations (USA) Black Widow Spider Latrodectus mactans. Pest Control Supplies (USA) Black widow spider Lactrodectus spp., Characteristics, Where found, Comparison with other species, Habitat, Food, Biology, Damage, Invasion, Control. Western Pest Services (USA) Black widow spider Description of the poisoning from a bite by a black widow spider. U.S. National Library of Medicine (USA) Black widow spider Latrodectus mactans. National Aquarium in Baltimore (USA)

64. Untitled Document All spiders have fangs and venom glands. A spider injects toxins with its fangs to paralyse or kill the prey. LINKS to more about spiders in general http://www.szgdocent.org/resource/ff/f-spdr.htm

SPIDERS Araneae All spiders are predators. Spiders specialise in various prey and have different shapes, sizes and adaptations to suit their prey. Some spiders even specialise in catching underwater prey and live in water to do so! A few spiders even specialise in stealing prey from the webs of other spiders! Yet others prey on ants and so look and move like ants! VITAL STATISTICS Size: From smaller than a pinhead to the biggest spider: the Giant Tarantula ( Theraphosa leblondi ) from South America: 30cm across from toe to toe. Lifespan: Most about 1 year or a little longer. Females usually live longer. The longest lived are the tarantulas. Metamorphosis: Incomplete, no pupal stage. Eggs are laid, some mothers care for their eggs and even hatchlings. Distribution: Found almost everywhere except the polar regions. Most found in tropical regions. Habitat: Most live on land, a few live in water near the shore. Found in a wide range of habitats.

65. Order Araneae - Spiders - BugGuide.Net Widows and Recluses are two general categories of spider that have members that possess venom causing significant effects and damage to humans. http://bugguide.net/node/view/1954

@import url(misc/drupal.css); @import "themes/bugguide/bugguide.css"; Register Log In Home Guide ... Help Clickable Guide BugGuide Transition Please Read Taxonomy Browse Info Images Links Books Data ... Spiders (Araneae) Order Araneae - Spiders Classification Synonyms and other taxonomic changes Identification Classification Kingdom Animalia (Animals) Phylum Arthropoda (Arthropods) Class Arachnida (Arachnids) Order Araneae (Spiders) Synonyms and other taxonomic changes referred to as Araneida by some sources Identification Two body parts: cephalothorax and abdomen Eight legs attached to cephalothorax login or register to post comments Contributed by Troy Bartlett on 16 February, 2004 - 2:20pm Additional contributions by Robin McLeod Last updated 23 September, 2005 - 11:49am Lotsa Spiders! Jenn , 18 September, 2005 - 3:20pm login or register to post comments Common house spider ? It could be the Common house spider Chris Wirth , 20 September, 2005 - 9:35am login or register to post comments Don't Think So The colours aren't right and the legs are too big compared to the body. When I look at this spider it's all body, very large body. I think it might be an Orb Weaver. Jenn , 22 September, 2005 - 2:15pm login or register to post comments Maybe a barn spider?

66. Brown Recluse And Other Recluse Spider Management Guidelines--UC IPM in your home or workplace, there are steps you can take to reduce encounters with them that are similar for reducing encounters with spiders in general. http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7468.html

UC IPM Home Search How to Manage Pests Agriculture Degree-days Educational Resources Workshops and events PCA exam helper Pesticide safety Research and IPM Grants programs Funded-project results What's new Announcements ... Printer-friendly version How to Manage Pests Pests of Homes, Structures, People, and Pets More pests of homes, people, pets Pests in landscapes About Pest Notes Brown Recluse and Other Recluse Spiders Published In this Guideline: Common and scientific names Identification Misidentification American recluse spiders ... Glossary If asked to name all the spiders they are familiar with, most Californians would have a short list: tarantula, black widow, and brown recluse. Tarantulas are well known because of their large, intimidating size and their use in many movies as eight-legged villains. Black widows are very common throughout the state, are potentially dangerous, and are easily identifiable by their shiny black body color and red hourglass on the belly. The brown recluse, however, is an enigma: there are no populations of the brown recluse Loxosceles reclusa

67. Hobo Spider Management Guidelines--UC IPM This is also the most common eye pattern for spiders in general, and unless you remove the spider from a funnel web, it will probably not be a http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7488.html

UC IPM Home Search How to Manage Pests Agriculture Degree-days Educational Resources Workshops and events PCA exam helper Pesticide safety Research and IPM Grants programs Funded-project results What's new Announcements ... Printer-friendly version How to Manage Pests Pests of Homes, Structures, People, and Pets More pests of homes, people, pets Pests in landscapes About Pest Notes Hobo Spider Published In this Guideline: Identification Medical aspects Management Publication ... Glossary The hobo spider, Tegenaria agrestis, The hobo spider is not known to live in California and has never been documented in the state. There are many cases, however, of common related spiders being misidentified as hobo spiders by the general public and even by pest control operators. In the United States, this spider lives in the Pacific Northwest from Washington east to Montana and south through Oregon and northern Utah, so it is conceivable that its range may extend into the northernmost areas of California. However, there have been no documented verifications by a qualified arachnologist (spider specialist) to date. A survey is currently under way to determine if it is present in northern California. Although once common in Seattle, the hobo spider apparently is being competitively displaced by another European

68. SpiderRoom.info LifeCycles and general. Common spiders Found Around Homes and Buildings. This site presents general spider information and facts about Kentucky spiders. http://www.spiderroom.info/links.html

Anatomy National Geographic's Tarantulas. Site of the National Geographic Society. A wonderful site to learn about basic anatomy and life cycle of a spider. May, 2002. http://www.nationalgeographic.com/tarantulas/introframe.html Spider Anatomy. Spiders of NW-Europe, by Ed Nieuwenhuys. A comprehensive page with external and internal anatomy information. This site also contains more than 700 pictures of over 220 spiders commonly found in NW-Europe. August, 1998. http://www.xs4all.nl/~ednieuw/Spiders/Info/spiderinfo.htm Spider Facts . Explorit Science Center, Davis, CA. This site provides questions and answers about basic spider anatomy and other frequently asked questions. May, 2002. http://www.explorit.org/science/spider.html LifeCycles and General Common Spiders Found Around Homes and Buildings . University of Kentucky College of Agriculture. Entomology Site by Lee Townsend and Ken Yeargand. This site presents general spider information and facts about Kentucky spiders. May, 2002. http://www.uky.edu/Agriculture/Entomology/entfacts/struct/ef622.htm

69. Spider - Wikipedia, The Free Encyclopedia although it is often included in the more general term entomology. spiders bite their prey, and occasionally animals that cause them pain or http://en.wikipedia.org/wiki/Spider

Spider From Wikipedia, the free encyclopedia. For other uses, see Spider (disambiguation) Spiders A long-jawed orb weaver spider Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Arachnida Order: Araneae Clerck Suborders Araneomorphae Mesothelae Mygalomorphae See the taxonomy section for families Spiders are invertebrate animals that produce silk , have eight legs and no wings. More precisely, a spider is any member of the arachnid order Araneae , an order divided into three sub-orders in newer systems: the Mygalomorphae (the primitive spiders), the Araneomorphae (the modern spiders) and the Mesothelae , which contains the Family Liphistiidae , rarely seen burrowing spiders from Asia. The study of spiders is known as arachnology , although it is often included in the more general term entomology Many spiders hunt by building webs to trap insects . These webs are made of spider silk , a thin, strong protein strand extruded by the spider from spinnerets on the end of the abdomen. All spiders produce silk, although not all use it to spin elaborate traps. Silk can be used to aid in climbing, forming smooth walls for burrows, cocooning prey, and for many other applications. Contents Morphology and development Respiration and circulation Vision Defense ... Do female spiders eat their mates?

70. General Reference Sources The site also includes modern names for the spiders listed in three wellknown older works Users can also find general information about scale insects, http://www.library.uiuc.edu/bix/zoology/Arthropods.htm

Zoology Web Resources Arthropods Associations Guides to the Literature Bibliographies Handbooks ... Serials Associations American Arachnological Society . c/o Dr. Norman I. Platnick, American Museum of Natural History, Central Park West at 79th St. New York, New York 10024-5192. E-mail: 72737.3624@compuserve.com American Entomological Society . Academy of Natural Sciences of Philadelphia, 1900 Race St., Philadelphia, PA 19103. E-mail: aes@say.acnatsci.org American Mosquito Control Association . c/o Pamela Toups, 2200 E. Prien Lake Road Lake Charles , LA 70601. British Arachnological Society . c/o Dr Helen J. Read, Secretary, 2, Egypt Wood Cottages, Egypt Lane, Farnham Common, Bucks. SL2 3LE. E-mail: secretary@britishspiders.org.uk Coleopterist's Society . c/o Terry Seero at COFA-PPO, 3294 Meadowview Road, Sacramento, CA 95832- 1448. Crustacean Society . Business Office, The Crustacean Society, P.O. Box 1897, Lawrence, Kansas 66044-8897. Phone: (785) 843-1221. Dragonfly Society of the Americas . c/o T. Donnelly 2091 Partridge Lane, Binghamton, NY 13903. E-mail: tdonnel@binghampton.edu

71. What's That Bug: Spiders These are small spiders with good eyesight, that do not build webs. They are nocturnal, fit your general description, and build large webs. http://www.whatsthatbug.com/spiders.html

Identifying spiders My five year old is in kindergarten and LOVES spiders. He has quite an impressive collection of toy spiders. He wants to identify them for a science fair. I have managed to find 2/3 of them in online photos and books, but the rest remain a mystery. There is a chance that the remaining ones are not actual representations of any real existing spiders. Is there any chance you'd be willing to give these spiders your best guess or just flat out say that there are no real spiders that look like this. I can lay them on my scanner and send a photo of them. I can completely understand if you don't offer this type of help. Thanks! Jody Clueless mother to a future arachnologist Dear Jody

72. Aquatic Invertebrates Found In NSW Wetlands - Water Mites And Aquatic Spiders Araneae – Aquatic spiders. The Water Mites. general Characteristics Aquatic spiders. Source DLWC. general Characteristics http://www.dlwc.nsw.gov.au/care/wetlands/facts/paa/invertebrates/watermites_aqua

Caring for our Natural Resources Caring for our Natural Resources Wetlands Facts about Wetlands Wetland Plants and Animals ... [ MAP OF THIS SITE ] The Aquatic Invertebrates of NSW Wetlands - Water Mites and Aquatic Spiders Phylum: Arthropoda Class: Arachnida General Characteristics: Adults have four pairs of legs and two pairs of feeding appendages. Lack antannae. Two Orders: Acarina – The Water Mites Araneae – Aquatic Spiders The Water Mites General Characteristics: Adults are free-swimming or crawling. Most common in heavily vegetated wetlands. Larvae attach themselves to other aquatic insects – referred to as the ectoparasitic phase. Feed by sucking the body fluids from their prey. Examples: Hydrachna sp. Source: Jenny Davis (Western Australian Museum) General Characteristics: Very small. Usually less than 3 mm. Red in colour. Parasitic as larvae. Free-living as nymphs and adults. Habitat: Usually found among aquatic vegetation in the shallows of still or free-flowing waterbodies. Distribution in NSW: Found throughout NSW.

73. General Information About Project Before our research the spider fauna of BRF was virtually unknown. spiders are predators without a food specializations therefore they are excellent models http://research.amnh.org/entomology/blackrock2/project.htm

Vladimir I. OVTSHARENKO Ph.D. American Museum of Natural History (New York) Kefyn M. CATLEY Ph.D. Rutgens University (New Jersey) American Museum of Natural History (New Yor k) Andrei V. TANASEVITCH Ph.D. All-Russian Research Institute for Nature Protection (Moscow) " Biodiversity of spiders of Black Rock Forest " PROJECT DESCRIPTION INTRODUCTION This project combines a research and educational approach to biodiversity studies looking in particular at the biodiversity of Black Rock Forest spiders. The project has two major parts, research and education. The first part of the project comprises a research study of the biodiversity of BRF spiders. Before our research the spider fauna of BRF was virtually unknown. Spiders are predators without a food specializations therefore they are excellent models for biodiversity research. Spiders occur in almost all ecosystems from deserts to mountain tops. In particular, forests have a more diverse spider fauna than most other ecosystems. Different species of spiders have very strong vertical preferences in a forest. Consequently, spiders occur at all levels from the soil, such as Atypidae, Lycosidae, Gnaphosidae (burrow dwelling or holes in the soil) to the canopy. At a State level the spiders of New York are very poorly known. The last list of New York State spiders was completed by Crosby and Bishop in 1928 and included 174 genera and 576 species. Kaston (1981) in his book "Spiders of Connecticut" recorded 184 genera and 462 species of spiders from Connecticut State, and 224 genera and 597 species with adjunct territories of Connecticut State (including the territory of New York east towards Hudson river). This example shows that the spider fauna of a much smaller state, Connecticut, is currently represented by more species than there are in the whole of New York State. Obviously, this poor state of knowledge needs to be addressed. As a result of our arachnological research in BRF, the first spider survey for the last 70 years, we found 290 species of spiders in BRF during the two years of the progect.

74. BRFweb03 general Information on spiders. spiders are the dominant grounddwelling non-vertebrate predators in many ecosystems and they play a substantial role as http://research.amnh.org/entomology/blackrock/brfweb03x.htm

Spiders Order Araneae General Information on Spiders Spiders are the dominant ground-dwelling non-vertebrate predators in many ecosystems and they play a substantial role as biological regulators. They are worldwide in distribution, and include 109 families, 3471 genera and more than 37500 described species (Platnick, 2002). Spiders are widely distributed in North America, and are found in all climatic zones. Despite their substantial ecological role, North American spiders, and specially those of New York are not completely known. They have been so poorly studied in New York State that we are unable to properly evaluate the biodiversity of spiders in the State, or compare the fauna with that of others northern US states or Canada. For example, the last list of New York State spiders was completed by Crosby and Bishop in 1928. They included 174 genera and 576 species. However, Kaston in his book "Spiders of Connecticut" recorded 184 genera and 462 species of spiders from Connecticut. If the adjunct territories of Connecticut State (including territory of New York east to Hudson river are included the total rose to 224 genera and 597 species. Preliminary research was undertaken by us in BRF during 1997 and 1998. From May 1999 to July 2001 we collected spiders in BRF using a variety of collecting techniques, and almost all were identified. A total of 290 species of spiders were collected, belonging to 133 genera and 27 families. All this data is new, because the spider fauna of BRF has not been studied previously.

75. Access Excellence:How To Find Wolf Spiders The surest way to recognize a wolf spider is by the general stout body shape, the eye arrangement and by the fact that they are usually not in a web. http://www.accessexcellence.org/LC/SS/wolf_spider/spider_section1.html

Recognizing Wolf Spiders Spiders are arachnids which can be readily recognized by the presence of 8 legs (true for all arachnids including ticks, mites and daddylong legs) and the presence of spinnerets (true only for spiders). Not all spiders build webs (in fact, nearly half do not!) but all spiders do use silk. Most wolf spiders do not build webs, but they use silk to wrap their egg cases and to leave draglines or safety lines. Some males can follow a female's dragline. There are about 34,000 named species of spiders in the world. Some people estimate the total number to be closer to 170,000. There are about 4000 named species of spiders in North America. The surest way to recognize a wolf spider is by the general stout body shape, the eye arrangement and by the fact that they are usually not in a web. Their general body shape is somewhat stout with the cephalothorax and abdomen of about equal sizes. The legs also are stout, fairly even in length and strong enough to support the spiders weight. The legs can be compared to those of many web building spiders whose legs are much longer and thinner. The eye arrangement is a good way to recognize a variety of spider families including the Lycosidae. Almost all spiders have eight eyes, although most spiders don't have particularly good eyesight. The eyes are most easily seen with a handlens or a dissecting microscope.

76. Brown Recluse Spider Brown Recluse Spider general information, Brown Recluse Spider bite prevention If you would like general information about Brown Recluse spiders, http://www.brown-recluse.com/brownreclusespider.html

"Your one-stop source for information on the prevention and treatment of Brown Recluse spider bites" Brown Recluse Spider Brown Recluse Spider Brown Recluse Spider general information, Brown Recluse Spider bite prevention information, and Brown Recluse Spider bite treatment information is available here for your review. If you have been searching for Brown Recluse Spider bite prevention or Brown Recluse Spider bite treatment information; you have come to the website of a leading provider of Brown Recluse Spider bite prevention and Brown Recluse Spider bite treatment provider. We have been providing the public with Brown Recluse Spider bite treatments for quite a while, and a countless number of people have taken advantage of the benefits of our Brown Recluse Spider bite treatments. Brown Recluse Spider bites can be one of the worst experiences of your life and can be medically hazardous to your health. To help people fight the dangers associated with Brown Recluse Spider bites, which are greater than those associated with Black Widow Spiders ; we developed our Brown Recluse Spider bite treatment. To learn more about our Brown Recluse Spider bite treatment please click here. If you would like general information about Brown Recluse Spiders, specific information about how you can prevent a Brown Recluse Spider bite, information about how you can treat Brown Recluse Spider bites, and the pricing of our Brown Recluse Spider bite treatments; please

77. .: UNEASYsilence :. » General You are currently browsing the archives for the general category. Categories Never heard of the Giant Camel spiders? Well, remember the movie ‘Aliens’? http://www.uneasysilence.com/archive/category/general/

Home Forums (Beta) Submit Story Tell a Friend Contact Info tips@uneasysilence.com You are currently browsing the archives for the General category. Categories Audio / Video Contest Entertainment Forum Find ... Update / Revisited Archives September 2005 August 2005 July 2005 June 2005 ... May 2004 RSS feed via bloglines via blogstreet via email via livejournal ... UES Greatest Hits September 26th, 2005 Dan posted in: General Politics News Sci / Tech ... sneak peak We have been online for well over a year, and we thought it was time to highlight some of our favorite and most popular posts. UNEASYsilence was created to be a home for overlooked news, thoughts, or just ridiculous things. If you will, a synaptic misfire: a virtual holding cell for lucid insights, incoherent ramblings and undigested waste of a few million underutilized brain cells. Dog Condoms Prada Toolkits Gucci Ice Cube Trays Rogue Bluemen plus, would they ask the question Who would stroke my hairy armpit? (Worth a click) Being a first time blog publisher we realized it takes many redesigns to get it right. (Also we gave up poking fun at Dr. Phil

78. Science Netlinks Science Updates And to learn more, in general, about Colonial Orb weaving spiders check out the Cornell University News article entitled The early spider catches the web http://www.sciencenetlinks.org/sci_update.cfm?DocID=48

79. THE SPIDER GUIDE OF SOUTHERN AFRICA The CDROM provides general information on spider morphology, life styles, biology, the role of spiders in nature and the species of medical importance. http://www.scienceinafrica.co.za/books/spider.htm

November 2002 Books Home Events Jobs Funding ... Archives THE SPIDER GUIDE OF SOUTHERN AFRICA NEW CD-ROM Spiders comprise one of the largest groups of land animals and occur commonly in gardens frequently entering houses. They are one of the groups most feared by humans because of the venom they produce. Although they are feared and much maligned, they are important predators in our ecosystems. Southern Africa has a rich spider fauna with about 3000 known species. This new CD-ROM was released in July 2002 and it contains information on all the 67 spider families of Southern Africa. Scattered information from scientific papers and handbooks are grouped together to provide an informative full colour guide, including 841 colour images, on the spiders of Southern Africa. The CD-ROM provides general information on spider morphology, life styles, biology, the role of spiders in nature and the species of medical importance. For each family and subfamily the following is provided: common names of the genera and more common species, a list of the genera and number of species in each, descriptive characters of the family, information on webs and retreats, general behaviour, the habitats where they are commonly found, notes on their distribution pattern, prey and medical importance. The CD is also provided with hyper-linked A-Z search, glossary and photo gallery. This CD-ROM should appeal to the professional scientist, as well as amateur naturalist alike. It will provide the reader information to identify our fast spider fauna and to better appreciate the wonderful and diverse world of spiders. The information will be of importance to the general public needing information to enable them to recognize the species commonly encountered in and around houses. The colour images will also help to identify the medical important species. Schools could use it in computer centres as an aid for school projects. Nature conservation agencies, universities and technikons involved in biodiversity surveys would find the information and colour images of great value in identifying spiders. It would be an important information tool to any library.

80. Victorian Spiders - Spider Identification In Victoria, Australia - Spider Facts Nearly every spider uses venom to kill its prey and in general this venom will only cause a mild local irritation or inflammation in humans. http://www.museum.vic.gov.au/spiders/fact_fiction.aspx

printer friendly Home Gallery Search ... Games There are many stories and myths concerning spiders. Below are answers to some common queries about: Bites and Venom Catching Prey Flying Spiders ; and The Legend of Arachne Further information is available in the book Spiders and Scorpions Commonly Found in Victoria , and Spiders Parlour. The only spider found in Victoria that has been proven to be highly venomous is the Red-back Spider , for which an antivenene is available at hospitals. All other spiders are considered relatively harmless but should be treated with respect. Nearly every spider uses venom to kill its prey and in general this venom will only cause a mild local irritation or inflammation in humans. However, certain individuals may show allergic or hypersensitive reactions to the venom or may develop symptoms of a bacterial infection introduced by decomposing foodstuffs on the fangs. It should be remembered that fear of a spider bite can often cause more problems than the bite itself. The reaction to bites from spiders has been ranked at the following levels: Highly venomous : Potentially fatal.

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