Alle Arten gelten als sehr aggressiv und hochgiftig.
This behaviour is a "back-off"-signal that (if being ignored) will sooner or later lead to a biting attempt of the spider.
Phoneutria, im Deutschen auch Bananenspinnen oder Armadeira (von portugiesisch aranhas armadeiras bewaffnete Spinne) genannt, sind eine acht Arten umfassende Gattung in der Familie der Kammspinnen (Ctenidae).
Vous pouvez partager vos connaissances en l’améliorant (Elle peut se retrouver dans des marchandises importées depuis ces pays, comme en Cette dangereuse araignée est la cause de certaines Le venin de cette araignée comprend plusieurs fractions toxiques, puissantes, ciblant une Bien qu'elle soit parfois douloureuse, la morsure est rarement mortelle pour les La dangerosité de cette araignée est souvent présentée avec peu de nuances par les médias« myriade de canaux ioniques trouvés dans les cellulesRevista do Instituto de Medicina Tropical de São Paulo
Description. The spiders in the genus can grow to have a leg span of 13 to 18 cm.
Phoneutria nigriventer is a large spider. Other articles where Phoneutria nigriventer is discussed: wandering spider: …wandering spiders, Phoneutria fera and P. nigriventer, are sometimes also referred to as banana spiders because they are frequently found on banana leaves. Their body length ranges from 17 to 48 mm. [1] The genus is distinguished from other related genera such as Ctenus by the presence of dense prolateral scopulae on the pedipalp tibiae and tarsi in both sexes.
Phoneutria are easily confused with several other non-medically signi Người ta còn gọi chúng là nhện chuối vì chúng đã được tìm thấy chủ yếu ở khu vực rất phát triển cây chuối.
Brazilian wandering spiders are the most poisonous spiders on the planet. “Case report. A couple of these species, including Phoneutria nigriventer, P. keyserlingi and P. fera are referred to as Brazilian wandering spiders. While some other araneomorph spiders have a longer leg span, the largest Phoneutria species have the longest body and the greatest body weight in this group.
Their body length ranges from 17 to 48 mm (0.67 to 1.89 in).The characteristic defensive posture with frontal legs held high is an especially good indicator to confirm a specimen is Despite their reputation, there are multiple studies that call into question their capacity for fatal human envenomation, though some of these are labeled with a level of uncertainty, as These spiders' wandering nature is another reason they are considered so dangerous. The bite of a Brazilian wandering spider may cause a few painful pinpricks to full-blown poisoning. Nhện chuối (Phoneutria nigriventer) là một loài nhện lang thang trong họ Ctenidae, là loài nhện độc nhất thế giới.Loài nhện này có nọc độc mạnh và rất hung hăng.
The spiders in the genus can grow to have a leg span of 13 to 18 cm (5.1 to 7.1 in). A 52-year-old man was bitten on the neck by an adult female Phoneutria nigriventer.Immediately after the bite, there was intense local pain followed by blurred vision, profuse sweating, tremors, and an episode of vomiting; 1–2 h post bite the patient showed agitation and a blood pressure of 200/130 mmHg, and was given captopril and meperidine. The two most commonly known and feared sp… Phoneutria species show a distinctive defence behaviour (full thread display, see picture below), when they feel threatened. Phoneutria nigriventer (Keyserling, 1891) è un ragno appartenente alla famiglia Ctenidae, dal nome comune di ragno errante del Brasile, ragno delle banane e ragno vagabondo brasiliano.. L'aggressività delle specie del genere Phoneutria e l'elevata tossicità del loro veleno pongono questi ragni ai primi posti in quanto a pericolosità per l'uomo, pur causando la morte solo nel 2-3% dei casi. In densely populated areas, These spiders acquired their other common name, "banana spider", because it is claimed that they are occasionally found in shipments of
De plus, elle est fréquemment confondue dans les arrivages de bananes avec des araignées nettement moins venimeuses2. Phoneutria nigriventer is a species of an extremely venomous spider in the family Ctenidae, found in South America (Brazil, Uruguay, Paraguay, and Argentina). Along with Phoneutria fera, it is sometimes called the Brazilian wandering spider.. Its bite can cause a penile erection (priapism) that lasts for several hours..
Contrairement à la rumeur, cette espèce présente rarement un danger pour un humain adulte, même si sa morsure est douloureuse.
They have an aggressive defense posture, in which they raise their front legs straight up into the air.
Cette araignée est aussi surnommée « araignée-banane » comme d'autres araignées peuplant les bananeraies et parfois retrouvées dans les transports de marchandises. They belong to the genus Phoneutria, which consists of a number of spider species.
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