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Eserese katuun nke Northern black widow
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Northern black widow

Latrodectus variolus
Ọ chọrọ dọkịtaỌ naghị egbukarị egbu, mana ịta ya chọrọ dọkịta.
Ududo Ịta
Ihe ize ndụ nye mmadụ: Ọ dị njọỊta ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

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

Ebe obibi
Middle Atlantic US states such as New Jersey, Delaware, Connecticut and Maryland; rarely southern Ontario, southern Quebec, Michigan and parts of Wisconsin1
Ugwu Amerika
Ogologo
4 cm (1.6 in)3
nha okenye nkịtị
Ọsọ kacha elu
ihe dị ka 0.98 km/h (0.61 mph)
N'elu ala, nchepụta
N'ezie!Foto Northern black widow
Northern black widow. Foto: Annika Lindqvist. CC BY 4.0, iNaturalist.

Ike nsị

Ịta

Nsị na-esi n'eze nsị ya ma ọ bụ eze ya apụta mgbe ọ na-ata.

Gịnị ka nsị ọ na-agba na-eme?

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

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị njọỊta ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

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

Ọ bụrụ na ọ tara

  • Medical attention is needed if discomfort becomes increasingly severe, or if local redness spreads and is accompanied by severe pain.1
  • Saa ebe ọ tara, tinye akpa ice n'elu ya maka mgbu ahụ. Chọọ enyemaka ọgwụ ma ọ bụrụ na mgbu ahụ siri ike, gbasaa, ma ọ bụ na ahụ adịghị onye ahụ mma.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

  • Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
  • Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
  • Ọ bụrụ na otu tara gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Northern black widow ogologo ya dị ihe dị ka 4 cm (1.6 in)Pepa klip ihe dị ka 3 cm (1.2 in)Ekwentị smartphone ihe dị ka 15 cm (5.9 in)
ọ dị ogologo ihe dị ka pepa klip

Kedu otú Northern black widow si hà ma e jiri ya tụnyere GỊ?

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ọ dị mma ịmara

Eziokwu

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

Maka ndị ọkachamara nsị

Aha sayensị
Latrodectus variolus
Otu
Ududo
Ezinụlọ
Theridiidae2
Usoro
Araneae
Kọntinent dị iche iche
Ugwu Amerika
Ihe ize ndụ nye mmadụ
3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

  1. Latrodectus variolus (Wikipedia (CC BY-SA 4.0))
  2. Latrodectus variolus (iNaturalist): aha na nhazi ọkwa.
  3. Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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Ndị ọzọ si n'otu ahụ: Ududo

Ọ na-ebikwa na: Ugwu Amerika

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