Brazilian brown spider
The Brazilian brown recluse spider is a small spider that is highly venomous. It lives in parts of Brazil and Argentina, and it is one of the species linked to deaths from spider bites in South America. Its bite can seem mild at first, so it matters to know what it looks like.1

Otú ị ga-esi mata ya
- Carapace (the front body shield) is dull yellow to orange-brown, with a dark, U-shaped marking on the head area that contrasts with the yellowish thorax.1
- Legs are orange-brown to reddish-brown.1
- Abdomen is grey or blackened, and darker on top than underneath.1
- Small spider: the female is about 8.5 mm long, and the male is smaller.1
- Active at night and very shy, usually found in dark places.1
Ike nsị
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?
Its venom contains a high concentration of the enzyme sphingomyelinase D, which causes both local and whole-body effects. Symptoms usually take hours to appear. The bite starts with severe pain, redness, swelling and blisters, and in more severe cases the skin tissue can die. Whole-body effects can include damage to red blood cells, heart problems, low blood pressure, kidney failure and severe bleeding.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.It is one of the main species linked to deaths from spider bites in South America. Whole-body effects occur frequently after its bite. Because symptoms are delayed, a victim may think the bite was mild.1
Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?
It is a very shy spider that keeps to dark places, so it is rarely seen.1
Ọ bụrụ na ọ tara
- 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?
dị obere nke na ọ nwere ike ịnọdụ n'elu mbọ aka gịKedu otú Brazilian brown spider si hà ma e jiri ya tụnyere GỊ?
Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.
Kedu otú o si agba ọsọ?
Eziokwu
The minimum dose that causes skin tissue death is 2.4 μg per kg of body weight.1
An average bite injects about 40 μg of venom proteins.1
It produces about 5.6 mg of venom, and the male produces less, around 2.43 mg.1
Males have much longer legs than females, although the female has the larger body.1
Its webs are irregular and built under fallen tree trunks and debris, usually in dark places.1
Maka ndị ọkachamara nsị
Ebe eziokwu ndị a si
- Loxosceles intermedia (Wikipedia (CC BY-SA 4.0))
- Loxosceles intermedia (iNaturalist): aha na nhazi ọkwa.
- 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.
Ịta
