Approximately 80% of the reported incidents were attributable to theridiid spiders, especially the Australian redback spider (Latrodectus hasselti Thorell, 1870) and three species of North American widow spiders (Latrodectus geometricus C.L. Koch, 1841, Latrodectus hesperus Chamberlin ...
A black widow is any of about 30 species of black spiders distinguished by an hourglass-shaped marking on the abdomen. Black widows are found throughout much of the world. Although their venomous bite often produces muscle pain, nausea, and mild paralysi
Spider Redback or Black Widow at rest in chaotic web,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行
Redback spiders (Latrodectus hasselti) belong to the Family Theridiidae, which is found worldwide. The notorious Black Widow Spider (Latrodectus sp) of the United States isa close relative of the Redback Spider, and only differs in appearance by the absence of a red dorsal stripe. Is a redbac...
There are various types of widow spiders, including black, red, and brown varieties in North and South America, the Australian redback spider, and several button spider species that inhabit South Africa. In Europe, Latrodectus tredecimguttatus—the Europ
In the original ‘black widow’, the eight-hour orbital period eclipsing pulsar PSR J1959+2048 (PSR B1957+20)1, high-energy emission originating from the pulsar2 is irradiating and may eventually destroy3 a low-mass companion. These systems are not only physical laboratories that reveal ...
Like most spiders with similar morphology, the Black House Spider (Badumna insignis) can unleash a venomous bite lethal to its insectivorous prey but not humans whom they are timid to and rarely bite. These spiders are identified by their robust bodies a
Common name: Noble false widow The Noble False Widow is a feared spider species for its excellent predation skills. This species makes some of the strongest cobwebs which allows it to catch all types of insects and even mammals. Noble False Widows are potent spiders that even catch mammals suc...
Black widow(BW)和redback(RB)都属于一类特殊的毫秒脉冲星双星,它们的伴星被脉冲星的辐射所蒸发,最终可形成一个孤立的毫秒脉冲星.而且它们往往具有多波段辐射(光学,UV,IR,X-ray,γ-ray)和轨道调制性.不过当前研究具有这样两个问题:一是轨道调制性的样本数量不足,二是轨道调制性显著性较低(大约3σ).这制约了对...
The black widow spider is one of the most feared spiderspecies. Its venom is a cocktail of seven different toxins that attack the nervous system. These so-called latrotoxins specifically paralyze insects and crustaceans. However, one of these toxins, α-latrotoxin, specifically targetsvertebrates...