The spider Latrodectus geometricus, commonly known as the brown widow, grey widow, brown button spider, or geometric button spider, is one of the widow spiders in the genus Latrodectus. As such, it is a "cousin" to the more famous black widow spider. The brown widow is found in parts of the northeastern and southern United States; as well as in parts of Australia, South Africa and Cyprus.
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- The spider Latrodectus geometricus, commonly known as the brown widow, grey widow, brown button spider, or geometric button spider, is one of the widow spiders in the genus Latrodectus. As such, it is a "cousin" to the more famous black widow spider. The brown widow is found in parts of the northeastern and southern United States; as well as in parts of Australia, South Africa and Cyprus. The origin of this species is uncertain, as specimens were independently discovered in both Africa and in the Americas. They are usually found around buildings in tropical areas. L. geometricus is generally lighter in color than the black widow species—the color can range from tan to dark brown to black, with shades of grey also possible. Like the black widow species in the United States, L. geometricus has a prominent "hourglass" marking on the underside of the abdomen, however, the brown widow's hourglass is usually a vivid orange or a yellowish color. Unlike the black widow, geometricus has a black-and-white "geometric" pattern on the dorsal side of its abdomen, although the name comes from this pattern a spider can and does darken over time and the pattern may not be visible. Brown widows can be located by finding their eggsacks, which are easily identifiable. They resemble a sandspur, having pointed projections all over, and they are sometimes described as "spiky" in appearance. Eggs hatch in approximately 20 days. Like all Latrodectus species, L. geometricus has a medically significant neurotoxic venom. Dr. G.B. Edwards, a University of Florida arachnologist claims that brown widow venom is twice as potent as the black widow venom, but is usually confined to the bite area and surrounding tissue, as opposed to the black widow. Other sources say that the brown widow is less venomous than L. mactans. Regardless, people who have been bitten typically describe the experience as very painful and extreme care should be taken when working or playing in the areas they inhabit. (Similar widows include the L. rhodesienses, a brown-colored relative of L. geometricus which is native to Zimbabwe; both species are collectively known as brown button spiders throughout southern Africa).
- Die Braune Witwe (Latrodectus geometricus) ist eine Spinne aus der Familie der Haubennetzspinnen (Theridiidae). Ihr Gift wird als weniger gefährlich als das der Schwarzen Witwe (Latrodectus mactans) oder Latrodectus tredicimguttatus eingestuft, gehört jedoch ebenfalls zu den effektivsten Spinnengiften.
- De bruine weduwe (Latrodectus geometricus), ook wel grijze weduwe genoemd, is een spin uit de familie der kogelspinnen. De bruine weduwe kan gevonden worden in delen van het noord-oosten en zuiden van de Verenigde Staten, Australië, Zuid-Afrika en Cyprus. De oorsprong van deze soort is onbekend, aangezien de verschillende exemplaren in Afrika en Amerika apart werden ontdekt. De spin wordt veelal aangetroffen tussen gebouwen in tropische gebieden.
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- The spider Latrodectus geometricus, commonly known as the brown widow, grey widow, brown button spider, or geometric button spider, is one of the widow spiders in the genus Latrodectus. As such, it is a "cousin" to the more famous black widow spider. The brown widow is found in parts of the northeastern and southern United States; as well as in parts of Australia, South Africa and Cyprus.
- Die Braune Witwe (Latrodectus geometricus) ist eine Spinne aus der Familie der Haubennetzspinnen (Theridiidae). Ihr Gift wird als weniger gefährlich als das der Schwarzen Witwe (Latrodectus mactans) oder Latrodectus tredicimguttatus eingestuft, gehört jedoch ebenfalls zu den effektivsten Spinnengiften.
- De bruine weduwe (Latrodectus geometricus), ook wel grijze weduwe genoemd, is een spin uit de familie der kogelspinnen. De bruine weduwe kan gevonden worden in delen van het noord-oosten en zuiden van de Verenigde Staten, Australië, Zuid-Afrika en Cyprus. De oorsprong van deze soort is onbekend, aangezien de verschillende exemplaren in Afrika en Amerika apart werden ontdekt. De spin wordt veelal aangetroffen tussen gebouwen in tropische gebieden.
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- Latrodectus geometricus
- Braune Witwe
- Bruine weduwe
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