Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America.

Western Black Widow (Latrodectus Hesperus) Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America.The female’s body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen.This “hourglass” mark can be yellow, and on rare occasions, white. The spider species Latrodectus mactans, commonly known as Southern Black Widow, belongs to the genus Latrodectus, in the family Theridiidae.Latrodectus mactans spiders have been sighted 32 times by contributing members. You must log in or register to reply here. For a better experience, please enable JavaScript in your browser before proceeding. Outdoor nest sites include holes produced by small animals or around construction openings and wood piles. This species can be found in all four of the deserts of the American southwest. On confond parfois ce genre avec Steatoda, de la même famille. Yours appears the lower triangle section is broader. Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. Vous pouvez partager vos connaissances en l’améliorant (comment ?) Smallest immatures have white abdomens with black spots and tan legs and cephalothorax. Photograph by James L. Castner. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. More Info Here. La plus connue des espèces est probablement Latrodectus mactans la Veuve noire d'Amérique du Nord. Contributors own the copyright to and are solely responsible for contributed content.Click the contributor's name for licensing and usage information. It's a tool, resource or reference for study, research, education, learning or teaching, that can be used by teachers, educators, pupils or students; Phylogen. Available in English, Spanish, Portuguese, Japanese, Chinese, French, German, Italian, Polish, Dutch, Russian, Arabic, Hindi, Swedish, Ukrainian, Hungarian, Catalan, Czech, Hebrew, Danish, Finnish, Indonesian, Norwegian, Romanian, Turkish, Vietnamese, Korean, Thai, Greek, Bulgarian, Croatian, Slovak, Lithuanian, Filipino, Latvian, Estonian and Slovenian. Now with new benefits! In Michigan, they appear to be more common in the western Lower Peninsula. Spider web Latrodectus hesperus Southern black widow, spider, insects, color, spider Web, black Widow Spider , southern Black Widow png 650x526px 163.89KB Spider Formacao E Rompimento Dos Lacos Afetivos Marriage Noble false widow, spider, white, text, … Latrodectus hesperus, the Western black widow spider is one of the few medically significant venomous spiders in the United States. Dorsal view of adult red widow spider, Latrodectus bishopi (Kaston). Admittedly, widows have always sort of creeped me out, but the hour glass on yours is very pretty. Latrodectus is a broadly distributed genus of spiders with several species that together are referred to as true widows.This group is composed of those often loosely called black widow spider, brown widow spiders, and similar spiders. As spiderlings mature, the abdomen background turns more tan or olive green with a dorsal longitudinal white stripe and three diagonal white stripes on the flank with a small black dot at the dorsal terminatio… Les espèces de ce genre se rencontrent dans les régions chaudes du globe[1]. The most famous/infamous arthropods in the Sonoran Desert are probably its black widow spiders (Latrodectus hesperus), tarantulas (Aphonopelma spp., Fig. Wish I could see the spider in hand to know for sure! Cette espèce se rencontre en Amérique du Nord [1]. Upgrade to an Arachnosupporter account. (Desert USA, 1996; Encyclopedia Britanica, 1999-2000; Vest and Eagle Rock Research, 1999) Latrodectus est un genre d'araignées aranéomorphes de la famille des Theridiidae [1].. Les espèces de ce genre sont souvent appelées veuves noires.En dépit du folklore attaché à son nom, Latrodectus mactans (la veuve noire la plus connue) ne fait pas partie des habituées du cannibalisme sexuel (contrairement à la Veuve noire à dos rouge). See more », [1] https://en.wikipedia.org/wiki/Latrodectus_hesperus. The larger female Western black widow looks very similar to the Northern black w idow and the Southern black … Koch). La soie de ces espèces a un diamètre plus grand que celle d'autres araignées. 31: 1127-1142.

have venom dangerous to people.The female black widow will sometimes eat the male after mating, thus the name “widow,” … No, not at all! The brown widow spider, L. geometricus, is also found in the US. Latrodectus hesperus Chamberlain and Ivie: Western black widow Latrodectus variolus Walckenaer: Northern black widow . Is there any key differences between the two species? Elle est appelée Veuve noire de l'Ouest. Latrodectus hesperus est une espèce d'araignées aranéomorphes de la famille des Theridiidae [1]. Northern Black Widow Spider (Latrodectus variolus) The Northern Black Widow Spider is found throughout the eastern US, from southern Canada south to Florida, and west to eastern Texas, Oklahoma and Kansas. Females are solid shiny black with globose abdomens and a ventral red marking that can vary from a perfect hourglass with triangles touching at the tips to separated red triangles to faint red markings. It's free to use and each article or document can be downloaded. If you need expert professional advice, contact your local extension office. Based on collected data, the geographic range for Latrodectus hesperus includes 3 countries and 9 states in the United States. Distribution.

Western Black Widow (Latrodectus hesperus) Detailing the physical features, habits, territorial reach and other identifying qualities of the Western Black Widow. L. geometricus is found in Africa and the US. I'll try snatching a few more pics, here is a before feeding pic (notice she's much thinner) I also used flash in the pic where you mentioned it looks orangish, so that probably what made it seem like it.

Without having a clue about hesperus, i vote mactans, because that Latin word is awesome and that spider is very cool IMO And tredecimguttatus as well, since here in Italy she managed to kill five people decades ago in Five Lands deserve respect (don't know, but i doubt, if in those days here the antivenom for Latrodectus sp. So I took a pic of my particular widow today after her meal, (I am located in Colorado) not sure if my widow is a Latrodectus hesperus because it has a tiny red dot at the end of it's abdomen.. correct me if I'm wrong but isn't it only mactans that have it? En dépit du folklore attaché à son nom, Latrodectus mactans (la veuve noire la plus connue) ne fait pas partie des habituées du cannibalisme sexuel (contrairement à la Veuve noire à dos rouge). Unionpedia is a concept map or semantic network organized like an encyclopedia – dictionary.

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