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South American black widow

Latrodectus curacaviensis

Moet 'n dokter sienSelde dodelik, maar 'n byt moet deur 'n dokter gesien word.

ByteEet: Insekte

Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

The South American black widow is a spider from the Lesser Antilles and South America. Females have a red and black pattern and a venomous bite. It is mainly active at night, and it is not aggressive towards people.1

Leef in

Lesser Antilles and South America, including Brazil1

Noord-Amerika, Suid-Amerika

Tuis

It is usually found under logs, in sheds, in stone fireplaces, and near trash and debris, so people may meet it around homes and outbuildings.1

Lengte

1,1 cm tot 1,7 cm (0,4 in tot 0,7 in)1

Topspoed

omtrent 0,92 km/h (0,57 mph)

Op land, rowwe skatting

Wat eet dit?

It feeds on small insects.1

Foto van South American black widow — South American black widow. Foto: Renato Brito. CC BY 4.0, iNaturalist.

Hoe om dit te herken

Females grow up to 11–17 mm and have a black and red body and legs.1
Males are much smaller, have long legs, and are white or brown.1
Females have an hourglass mark with a black diamond shape and four red triangles in a square.1
It is mainly nocturnal, so it is most active at night.1

Gifkrag

Byte

Gif kom deur sy giftande of tande uit wanneer dit byt.

Wat doen sy gif as dit byt of steek?

The venom contains excitatory neurotoxins (alpha-latrotoxins), which overstimulate the nerves. Bites usually deliver only small amounts of venom. Symptoms can include intense pain at the bite, sweating, rapid breathing, a faster heart rate, swollen eyelids, salivation, stiff and painful abdominal muscles, nausea, vomiting and blurred sight. Some cases have also involved muscle spasms, fever and chills, which are common symptoms of latrodectism (the illness caused by black widow venom).1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: Ernstig'n Byt moet deur 'n dokter gesien word. Sterftes is baie skaars.

Bites usually deliver only small amounts of venom, but they can cause dangerous symptoms, mostly in children, older people, and people with heart or breathing problems.1

Wat doen dit as dit bang is?

It is not aggressive to humans, but females will attack to defend their egg sacs.1

As dit byt

Was die byt en sit 'n yspak daarop vir die pyn. Kry mediese hulp as die pyn erg is, versprei of die persoon sleg voel.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As een jou byt: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië

Hoe groot is dit?

Hoe lank is dit?

korter as jou pinkie

Hoe groot is South American black widow in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Skilpad omtrent 0,3 km/h (0,19 mph)

South American black widow omtrent 0,92 km/h (0,57 mph)

'n Mens wat loop omtrent 5 km/h (3,1 mph)

die moeite werd om te weet

Feite

Some reports describe priapism, a painful and prolonged erection in men, after a bite.1

In a case in the Brazilian state of Amazonas, the victim had muscle spasms, fever, chills and heavy sweating.1

Females are much bigger than males, which is common among black widow spiders.1

Males are easy to tell apart from females because of their long legs and white or brown colour.1

This spider is mainly active at night, so most encounters are likely after dark.1

Mite-breker

Mite: Black widow spiders are aggressive and will attack people.

Waarheid: This species is not aggressive to humans. Females only attack when they are defending their egg sacs.1

Vir gifkenners

Wetenskaplike naam: Latrodectus curacaviensis
Groep: Spinnekoppe
Familie: Theridiidae2
Orde: Araneae
Kontinente: Noord-Amerika, Suid-Amerika
Babas: Females guard their egg sacs and will attack to defend them.1
Gevaar vir mense: 3 / 5: Ernstig3

Waar die feite vandaan kom

Latrodectus curacaviensis (Wikipedia (CC BY-SA 4.0))
Latrodectus curacaviensis (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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