Black house spider
The black house spider is a dark, sturdy spider that lives across Australia. It was carried to New Zealand and Japan, and it often lives in homes, where it sits in a messy web in corners and near windows. It is venomous, but its bite is rarely a serious danger to people.1

Otú ị ga-esi mata ya
- A dark, robust spider. Females have a body up to 18 mm long and a leg span of 30 mm.1
- Males are smaller, about 10 mm long, with longer legs in proportion to their body.1
- The body and legs are dark brown to black. The abdomen (rear part) is charcoal grey, with light markings that are sometimes faint, and it is covered in fine, velvety hair.1
- The web looks messy, with irregular sail-like sheets of silk and a funnel-shaped retreat, usually in the middle or corner of the web.1
A na-agwakọkarị ya na: The grey house spider (Badumna longinqua) is similar and has a similar range. It is slightly smaller, at about 14 mm, has a greyish top section (carapace) and black-brown legs. It is more often found outdoors.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?
The bite is venomous. It may be excruciatingly painful and cause local swelling. Nausea, vomiting, sweating and dizziness are occasionally recorded. In a few cases, skin lesions (arachnogenic necrosis, damage to the skin and tissue) have developed after several bites.1
Kedu otú o si dị egwu nye mmadụ?
Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.Black house spiders are venomous but are not considered dangerous. They are timid, and bites from them are infrequent.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 mkpụmkpụ karịa obere mkpịsị aka gịKedu otú Black house 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
A male plucks the female's web to attract her attention before he approaches to mate. They may stay together for several days and mate several times.1
The spider rarely moves its web, so old webs become messy, with dust and small objects stuck in them.1
At night, the spider repairs and adds to its web, often by laying new silk over the old.1
The female almost never leaves her web unless she is forced to.1
Predators include the white-tailed spider, as well as parasitic wasps and flies.1
Onye na-ekpughe akụkọ ụgha
Akụkọ ụgha: Black house spiders are dangerous spiders.
Eziokwu: They are venomous, but they are not considered dangerous. They are timid, and their bites are infrequent.1
Maka ndị ọkachamara nsị
- Aha sayensị
- Badumna insignis
- Otu
- Ududo
- Ezinụlọ
- Desidae2
- Usoro
- Araneae
- Kọntinent dị iche iche
- Ọstrelia na Oshenia
- Ụmụ ọhụrụ
- The female builds several white silk egg sacs inside the web retreat and stays with the eggs until they hatch. The young may leave or stay in the mother's web for some time.1
- Ihe ize ndụ nye mmadụ
- 2 / 5: Na-afụ ụfụ3
Ebe eziokwu ndị a si
- Black house spider (Wikipedia (CC BY-SA 4.0))
- Badumna insignis (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