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	Brown Widow Spider - life-cycle, appearance, links and article
		Consequences of a bite from a brown widow spider
		The venom from a brown widow is about twice as potent as venom from a fl widow.
		The egg sac of a brown widow is covered with projections unlike the egg sac of other widows.
	venomous-spiders.nanders.dk /geometricus.htm (523 words)

	Black widow spider - Wikipedia, the free encyclopedia
		The fl widow spider (Latrodectus mactans) is a spider notorious for its neurotoxic venom.
		It is a large widow spider found throughout the world and commonly associated with urban habitats or agricultural areas.
		Adult female fl widow spiders are shiny fl with an hourglass shape marking on the bottom of its abdomen which, although most commonly red, may range in color from white to yellow to various shades of orange and red.
	en.wikipedia.org /wiki/Black_widow_spider (922 words)

	Black Widow Spiders and Other Spiders of Medical Importance
		The brown widow spiders are easily differentiated from the brown recluse because the brown widowed spiders have a similar appearance to that of the fl widows and, of course, lack the fiddle marking.
		Loxosceles reclusa - Brown Recluse, the Violin Spider : Narrative on the spider.
		The hobo is one of the funnel-weaving spiders.
	members.tripod.com /~LouCaru/index-13.html (3691 words)

	Widow Spiders
		The brown widow egg case is textured and rough in appearance, due to the tufts of silk that are incorporated during the formation of the case.
		Within the home, the brown widow may be found beneath tables and desks, behind shutters, in the angles of doors and windows, in the folds of clothing, in shoes, and under objects in dark, little-disturbed areas.
		The fl widow spiders are less common and are generally associated with arid areas (western fl widow) and higher elevations (southern fl widow).
	www.extento.hawaii.edu /kbase/urban/Site/brwidow.htm (889 words)

	CPCS: Spider Bites
		Spiders generally prefer to live in undisturbed areas such as corners of the house or the eaves or in the garden where they can catch insects in peace.
		The fl widow spider is a shiny, inky fl spider with a large round tail segment (abdomen).
		Spider bites by this spider are becoming recognized more often in California, which may be due to the fact that the spider is becoming better known.
	www.calpoison.org /public/spiders.html (2254 words)

	BROWN RECLUSE, BLACK WIDOW SPIDERS: UNWANTED VISITORS (Site not responding. Last check: 2007-10-16)
		Although Jackman reassured consumers that tarantulas, jumping spiders and wolf spiders, among others, aren't particularly dangerous to people, he goes on to warn that recluse spiders and fl widow spiders are.
		Brown recluse spiders can be identified by their six eyes, in three pairs, which are in a semi-circle on the front of the head.
		These spiders, too, might be found in dark secluded areas of human habitation, including garages and cellars, in and under furniture, in rain spouts or ventilators, in bushes around the house, or even in gas or electric meters, Jackman continued.
	agnews.tamu.edu /dailynews/stories/ENTO/Jul3001a.htm (973 words)

	Web World Wonders
		Most all spiders are poisonous and some authorities say all spiders are poisonous, but only a few spiders have venom and fangs strong enough to be harmful to humans.
		Spiders are able to turn insects into a kind of soup as they are only able to eat liquids.
		The most venomous spiders in Florida are the Southern Black Widow spider, Brown Widow spider, Red Widow spider and the Brown Recluse spider.
	webworld.freac.fsu.edu /cameras/saw_grass/enviro/spiderfact.htm (951 words)

	Spiders
		This spider's body is very broad and grows to the size of a 20c piece, with its 8 legs being the length of a pin (fairly short for a spider).
		The Brown Widow is of the same group as the Red-back and the Black Widow but its toxin is about one-tenth the strength of the Red-back toxin and does not cause the same severe reaction.
		The Brown Widow Spider is one of the species with the infamous "red hourglass" marking on the underside of its abdomen.
	www.spiderzrule.com /commonspidersusa.htm (3574 words)

	WOLF SPIDER, BLACK WIDOW, spider control, SPIDER, spiders, brown recluse spider, Wolf Spider
		Brown recluse spiders belong to a group of spiders commonly known as violin spiders or fiddlebacks.
		This spider is not hairy and the fiddle pattern is often shiny.
		The bite of the female fl widow spider may not always be felt at first and besides slight local swelling, there is usually little evidence of a lesion.
	www.bugsaway.com /wolfspider.htm (2275 words)

	Brown Widow Spider Care Sheet
		The Brown Widow Spider is one of the species with the infamous "red hourglass" marking on the underside of it's abdomen.
		When keeping any species of widow spider in captivity, make sure that the tank it is in is escape-proof, and can not be shaken or dropped easily because widow spiders are very fragile, and their large abdomens can burst easily, which will cause death.
		Brown Widow Spiders should only be kept by mature, responsible, experienced people.
	www.petbugs.com /caresheets/L-geometricus.html (396 words)

	Spiders from OSU Factsheets (Site not responding. Last check: 2007-10-16)
		These jumping spiders are active during the day and like sunshine, normally living outdoors but are sometimes found indoors on walls, windows, screens, doors, etc. (Some are carried indoors on firewood.) They depend on their vision (keenest of all spiders) and leaping ability to catch prey, especially flies.
		The fl widow spider is found primarily in the southern Ohio counties whereas the northern widow spider is found in the northern Ohio counties.
		Adult female northern widow spiders are shiny fl or brown-fl with 2 reddish triangles on the underside, resembling a split hourglass.
	arachne.cofc.edu /HVE/myspider.html (1502 words)

	Spiders
		Four species of widow spiders occur in Florida: the southern fl widow, the northern fl widow, the red widow and the brown widow.
		The brown recluse spider (Figure 4) is not an established species in Florida, but physicians have diagnosed its bites.
		The brown recluse spider is recognized by having a dark violin-shaped mark located behind the eyes.
	edis.ifas.ufl.edu /MG206 (5096 words)

	Black Widow Spiders - DesertUSA
		The female fl widow spider is the most venomous spider in North America, but it seldom causes death to humans, because it only injects a very small amount of poison when it bites.
		Black Widows comprise about six species and inhabit most of the warmer regions of the world to a latitude of about 45 degrees N. The female fl widow spider, though it is the most venomous spider in North America, seldom causes death as it injects a very small amount of poison when it bites.
		The female Black Widow is shiny fl, usually with a reddish hourglass shape on the underside of her spherical abdomen.
	www.desertusa.com /july97/du_bwindow.html (1283 words)

	Entomology - Brown Widow in So. Cal.
		However, the ensuing media attention that was given to the spider has created the false impression that the brown widow is a new danger in southern California.
		This is not surprising because the brown widow is not a dangerous nor deadly spider.
		Only two symptoms of brown widow envenomation were reported in the majority of bite victims: 1) pain while being bitten and 2) a mark where the bite occurred.
	spiders.ucr.edu /brownwidow.html (383 words)

	Brown Recluse Spider Bite
		Brown recluse spiders are native to the Midwestern and Southeastern states.
		Features: Brown recluse spiders are notable for their characteristic violin pattern on the back of the cephalothorax—the body part to which the legs attach.
		The violin pattern is seen with the base of the violin at the head of the spider and the neck of the violin pointing to the rear.
	www.emedicinehealth.com /spider_bite_brown_recluse_spider_bite/article_em.htm (416 words)

	Insects (Site not responding. Last check: 2007-10-16)
		Brown widow spiders all have a characteristic yellowish-orange hourglass on the bottom of the abdomen, while the fl widow spider has a characteristic bright red hourglass on the bottom side of it's abdomen.
		Brown widow spiders can often be found inside old tires, empty containers such as buckets and nursery pots, mail boxes, entryway corners, under eves, stacked equipment, cluttered storage closets and garages, behind hurricane shutters, recessed hand grips of plastic garbage cans, undercarriages of mobile homes, underneath outside chairs and branches of shrubs.
		If spider problems persist, then non-residual sprays such as pyrethrum, and labeled residual sprays may be used, however the reproductive potential of brown widow spiders and their reclusive habit make their total elimination around the home extremely difficult, if not impossible.
	polkhort.ifas.ufl.edu /insects.htm (1427 words)

	Black Widow Spiders -- General Exterminating, Inc.
		The fl widow spider is present in every state in the union and is found in Canada and South America.
		Spiders also can be discouraged by increased lighting of darkened corners, such as by appropriate furniture arrangement or use of artificial lighting.
		Brown Widow egg sack is is fawn coloured and spherical, with many points radiating from the surface, rather like a World War II marine mine.
	www.generalx.com /bwtxt.html (1286 words)

	Brown Widow Spiders article at University of Florida Extension, Sarasota County
		Because they vary from light tan to dark brown or almost fl, with variable markings of fl, white, yellow, orange, or brown on the back of their abdomens, brown widows are not as easy to recognize.
		Although the bite of a widow spider is much feared, the widow spiders are generally non-aggressive and will retreat when disturbed.
		According to Dr. G.B. Edwards, an arachnologist with the Florida State Collection of Arthropods in Gainesville, the brown widow venom is twice as potent as fl widow venom.
	sarasota.extension.ufl.edu /IPM/BrownWidow.htm (1021 words)

	Brown Recluse Spider (Site not responding. Last check: 2007-10-16)
		Brown Recluse Spiders Loxosceles reclusa belong to the group of spiders known by several names: “brown” spiders, “violin” spiders, “recluse” spiders, and “fiddle” back spiders.
		Spiders in the genus Loxosceles have venom that is potentially dangerous to humans.
		These spiders are most commonly identified by a dark marking on the dorsal portion of the cephalothorax.
	pestsolutions.fmc.com /Pest_Solutions/Pest/0,1679,2120,00.html (408 words)

	Los Angeles Area Gets a New Spider - An English-Zone.Com Reading Activity
		According to Brown, one of the many ways the spider could have made it to the Southland was through commercial imports of plants, flowers, food or furniture.
		The Brown Widow is so rare to the Los Angeles area that this is the first one out of 3,000 spiders so far to be collected as part of the Museum’s Spider Survey.
		Most spiders in Southern California are unable to puncture human skin and if they do, their venom would not be harmful to humans.
	www.english-zone.com /reading/spider.html (917 words)

	Venomous Spiders in Florida
		Five species of venomous spiders occur in Florida: the southern fl widow, northern fl widow, red widow, brown widow and brown recluse.
		Most spider bites are not considered dangerous, but if you suspect one of the widow or brown recluse spiders, get medical attention immediately.
		This spider lacks a complete hourglass on the underside of the abdomen and instead usually has one or two small red marks (Plate 4).
	edis.ifas.ufl.edu /IN011 (870 words)

	Black Widow Spider, HYG-2061A-04
		Adult female northern fl widow spiders are shiny fl or brown-fl with a row of red spots on the top of the abdomen along the midline.
		The northern fl widow spider is similar to the fl widow except its habitat is marginal land with sparse vegetation.
		The severity of an individual’s reaction to the fl widow spider bite depends on the area of the body bitten, amount of venom injected, and their sensitivity to the venom.
	ohioline.osu.edu /hyg-fact/2000/2061A.html (1390 words)

	black widow spider
		The female of this sexually dimorphic species is usually ¼ to ¾ inch (12 to 19 mm) in body length, shiny fl or very dark brown, with a large rounded or oval abdomen which is characterized by a bright red-orange hourglass shape on the underside.
		The male is less than half the size of the female, medium brown with cream-colored markings on legs and abdomen.
		The fl widow is one of two species within our region that is potentially dangerous to humans (the brown spider is the other).
	www.desertmuseum.org /books/nhsd_blackwidow_spider.html (305 words)

	Brown Widow Makes Its Home on Gulf Coast
		There is a discussion of this story at PhysOrgForum entitled: brown widow caught in slidell la.
		He is staying in Braithwaite and the Brown Widow is so predominant around where he works and stays that he thought it was one of the "common" spiders down there.
		i didn't know what kind of spider it was until i came across this news article and saw the picture.
	www.physorg.com /news79193316.html (434 words)

	Hazardous Animal Life of Okinawa - JapanUpdate.com - Okinawa News, Classifieds, Events, Culture, Forums, and more! (Site not responding. Last check: 2007-10-16)
		A cousin of the well-known fl widow spider, the brown widow is similar to the fl widow in behavior and toxicity.
		A reclusive spider, the brown widow is not likely to bother humans because they usually remain hidden, preferring to live in dark, quiet spots.
		The egg sacs of the brown widow are slightly smaller than a green pea and have multiple spiky protrusions all around it.
	www.japanupdate.com /en?id=2261 (2268 words)

	Article - Health & Science - A new spider catches a scientist's eye
		Perhaps the brown widow pumps in less venom when it bites, or perhaps it carries less in its venom sac, Vetter said.
		The brown widow has the same hourglass marking on its belly, though it is usually more yellow-orange in color.
		Now that the brown widows have revealed themselves, Vincent says he will keep an eye on their progress, and is eager to receive more samples from students and residents.
	www.ocregister.com /ocregister/healthscience/scienceenvironment/article_1322807.php (714 words)

	Brown Recluse Spider, Brown Recluse Spider Bites and Brown Recluse Spider Pictures
		Brown recluse spiders are one of the two venomous spiders in North America, the other being the Black Widow that can inflict a dangerous bite.
		Brown recluse spiders are very adaptable and may be active in temperatures ranging from 45 to 110 degrees F. It is usually found indoors, in bathrooms,bedrooms, closets,garages,basements and cellars.
		Brown recluse spiders may be found in sheltered corners among debris, wood piles, and under loose bark or stones.
	www.doyourownpestcontrol.com /brown_recluse_spider.htm (808 words)

	Spider Control , Kill Black Widow and Brown Recluse Spiders
		Spiders are considered a beneficial insect because of their prey to other insects and many people do not consider spider control measures for most spiders.
		However their are two North American species that are dangerous to humans: Black Widow Spiders and Brown Recluse Spiders, and should consider spider control.
		Most spiders are harmless, but we do include recommended treatment and products for general spider control at the end of the section.
	www.doyourownpestcontrol.com /spiders.htm (520 words)

	Black and Brown Widow Spiders \| SavannahNow.com (Site not responding. Last check: 2007-10-16)
		I guess the reason I have not been bitten is because I am so scared of spiders.
		Well let me the first to tell you that these spiders have been at my house for at least three years, probably longer.
		Not to mention that I have a phobia of spiders.
	www.savannahnow.com /node/168788 (487 words)

	Spider Elimination, Control of Spiders (Site not responding. Last check: 2007-10-16)
		We do not suggest trying to control fl widow spider, brown recluse spider or other spiders or scorpions with the use of pesticides purchased in grocery stores, hardware stores or big home supply stores.
		Use chemical and non-chemical measures to control Brown Recluse Spider, Black Widow Spider and other bugs that either pose a threat to your family or are otherwise unwanted in and around your home.
		Spider elimination includes prevention of entry, reduction of spider food and any condition that might encourage spider invasion or reproduction.
	www.pestproducts.com /spider.htm (395 words)

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