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Setshwantsho sa khathune sa Northern black widow
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Northern black widow

Latrodectus variolus
E tlhoka ngakaGa e bolaye gantsi, mme go lomiwa ke yone go tlhoka ngaka.
Digokgo Go loma
Kotsi go batho: E masisiGo lomiwa ke yone go tlhoka ngaka. Go swa go seoka thata.

The northern black widow is a venomous spider from North America. It lives mainly in the Middle Atlantic states, and its bite can cause a illness called latrodectism. Bites are not usually deadly for most people, but medical care is needed if symptoms get worse.1

E tshela kwa
Middle Atlantic US states such as New Jersey, Delaware, Connecticut and Maryland; rarely southern Ontario, southern Quebec, Michigan and parts of Wisconsin1
Amerika Bokone
Boleele
4 cm (1,6 in)3
bogolo jo bo tlwaelegileng jwa e e godileng
Lebelo le le kwa godimo
e ka nna 0,98 km/h (0,61 mph)
Mo lefatsheng, kakanyo fela
Ka nnete!Setshwantsho sa Northern black widow
Northern black widow. Setshwantsho: Annika Lindqvist. CC BY 4.0, iNaturalist.

Maatla a botlhole

Go loma

Botlhole bo tswa ka meno a yone fa e loma.

Botlhole jo e bo tsenyang bo dira eng?

The bite can cause latrodectism, a reaction to the venom. Symptoms may include body aches, severe pain, fever, inflammation, nausea and vomiting. These symptoms can last up to a week.1

E kotsi go le kae go batho?

Kotsi go batho: E masisiGo lomiwa ke yone go tlhoka ngaka. Go swa go seoka thata.

Bites to humans are not typically deadly, except in infants and the elderly.1

Fa e loma

  • Medical attention is needed if discomfort becomes increasingly severe, or if local redness spreads and is accompanied by severe pain.1
  • Tlhatswa fa go lomilweng mme o tsenye pakana ya aese mo go gone go fokotsa botlhoko. Batla thuso ya bongaka fa botlhoko bo le bogolo, bo anama kgotsa motho a ikutlwa a sa siama.

Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha

Nna o babalesegile

  • O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
  • E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
  • Fa e nngwe e go loma: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.

Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile

Kae mo lefatsheng?

AforikaAsiaYuropaAmerika BokoneAmerika BorwaAustralia le Oceania

E kgolo go le kae?

E telele go le kae?

Northern black widow e ka nna 4 cm ka boleele (1,6 in)Kelipi ya pampiri e ka nna 3 cm (1,2 in)Founu e e botlhale e ka nna 15 cm (5,9 in)
e ka nna boleele jo bo lekanang le jwa kelipi ya pampiri

Northern black widow e kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E bonako go le kae?

go botlhokwa go itse

Dintlha

1

Unlike the related Latrodectus mactans, no antivenom was available for this species as of 2015.1

2

Each spider contains about 0.254 mg (0.0039 gr) of venom.1

3

The LD-50, the dose that kills half of the test mice, is 1.20–2.70 mg (0.019–0.042 gr).1

Ya baitseanape ba botlhole

Leina la saense
Latrodectus variolus
Setlhopha
Digokgo
Lelapa
Theridiidae2
Lekoko
Araneae
Dikontinente
Amerika Bokone
Kotsi go batho
3 / 5: E masisi3

Kwa dintlha di tswang teng

  1. Latrodectus variolus (Wikipedia (CC BY-SA 4.0))
  2. Latrodectus variolus (iNaturalist): maina le thulaganyo ya mefuta.
  3. Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.

Ntlha nngwe le nngwe mo tsebeng e e na le nomoro e e supang motswedi wa yone. Fa re dirile phoso, maitshwarelo, re barati ba diphologolo, e seng kgatiso ya saense. Re bolelele kwa [email protected] mme re tla e baakanya.

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Tse dingwe tsa setlhopha se se tshwanang: Digokgo

Brown recluseDigokgoE tlhoka ngakaSouthern black widowDigokgoE tlhoka ngakaWestern black widowDigokgoE tlhoka ngakaBold jumping spiderDigokgoGa e na kotsiGolden silk orb-weaverDigokgoGa e na kotsiCentral American wandering spiderDigokgoE tlhoka ngaka

E tshela gape kwa: Amerika Bokone

TerciopeloDivaepara tsa mesima (pit vipers)E a bolayaEastern coral snakeDinoga tsa khoraleE ka bolayaEastern diamondback rattlesnakeDinoga tsa ratheleE ka bolayaEyelash viperDivaepara tsa mesima (pit vipers)E ka bolayaTimber rattlesnakeDinoga tsa ratheleE ka bolayaWestern diamondback rattlesnakeDinoga tsa ratheleE ka bolaya
Fepa phephengnkgwana ya dimpho, e e dira mahala