Nr. 0678 no 1 402

Noble false widow

Steatoda nobilis

Par nosaukumu: It is called a false widow because it looks like the black widow spider, although it belongs to a different group of spiders.1

Tikai sāpTas sāp, bet nopietni tev nekaitēs.

Zirnekļi

KodumiĒd: Gaļa

Bīstamība cilvēkiem: SāpīgsTas var ļoti sāpēt, bet gandrīz nekad nav nopietni.

The noble false widow is a spider that looks a lot like the black widow, which is why it has its name. It is now found in many parts of the world, including Europe, the United States and New Zealand, and it is one of the world's most invasive spiders. Its bite can be painful, so it is worth knowing what it looks like.1

Dzīvo

Native to Madeira and the Canary Islands. Now established across Europe, parts of the USA, North Africa, Chile, Colombia, Ecuador and New Zealand.1

Eiropa, Āfrika

Sākums

It lives both indoors and outdoors all year round, in places such as cacti, agave, roadside cuttings, demolished buildings, telegraph poles, concrete fence posts and ivy on walls. Seaside cities and villages with a mild climate are especially good places for it.1

Garums

7 mm līdz 1,4 cm (0,3 in līdz 0,6 in)1

Maksimālais ātrums

apmēram 0,86 km/h (0,53 jūdzes/h)

Uz sauszemes, aptuvens minējums

Ko tas ēd?

It eats both insects and other spiders, woodlice, and small vertebrates such as pipistrelle bats and a pygmy shrew. It catches prey with an 'attack wrap', wrapping silk around the victim while it bites, and its venom quickly paralyses the prey.1

Noble false widow foto — Noble false widow. Foto: Dustin Edmundson. CC BY 4.0, iNaturalist.

Kā to atpazīt

The abdomen (rear body) is brown and rounded, with cream markings that are often said to look like a skull.1
The legs are reddish-orange.1
Adult females are about 9.5 to 14 mm in size, and males are about 7 to 11 mm.1
It is larger than other spiders in its genus, Steatoda, and has a typical colour pattern.1

Bieži jauc ar: It is often mistaken for the black widow (Latrodectus) and other false widow species. It can be told apart from the black widow by its larger size within its genus and its typical colouring, though many spiders in this group look similar.1

Indes spēks

Kodumi

Inde iznāk caur ilkņiem vai zobiem, kad tas iekož.

Ko nodara tā inde?

Most of its venom is made of toxins similar to those of the widow spiders, mainly alpha-latrotoxin. This toxin makes holes in nerve cells, which releases chemical messengers and blocks the signals between nerves and muscles, causing paralysis. In people, the venom is most noticeable as pain at the bite site, along with swelling, redness and fever.1

Cik bīstams tas ir cilvēkiem?

Bīstamība cilvēkiem: SāpīgsTas var ļoti sāpēt, bet gandrīz nekad nav nopietni.

It is considered moderately medically significant. Most bites cause symptoms similar to a bee or wasp sting, but some can be more serious, partly because of bacteria. It is considered one of the most dangerous spiders in western Europe. Bites from males are less severe than bites from females, and the bite itself is usually painless, with pain coming from the venom.1

Ja tas iekož

Without proper treatment, a bite wound can become infected and develop into gangrene or sepsis, so medical care should be sought.1
Nomazgā kodumu un pret sāpēm uzliec ledus maisiņu. Meklē medicīnisko palīdzību, ja sāpes ir stipras, izplatās vai cilvēks jūtas slikti.

Vienmēr vispirms zvani uz savu ārkārtas numuru (112, 000, 911). Tie ir vispārīgi pirmās palīdzības padomi, nevis medicīniska konsultācija. Pirmās palīdzības pamati

Esi drošībā

Nekad neaiztiec, neķer un neķircini savvaļas dzīvnieku, pat mazu, un pat ja tas izskatās aizmidzis vai miris.
Dod tam vietu. Ja tādu satiec, saglabā mieru, lēnām atkāpies un ļauj tam iet savu ceļu.
Ja tāds tev iekož: saglabā mieru, nekusties, zvani uz savu ārkārtas numuru (112, 000, 911) vai ātri dodies uz slimnīcu. Atceries, kā tas izskatījās, foto palīdz.

Tas nav nolēmis tevi medīt. Tas izmanto indi, lai noķertu barību vai aizsargātos, un daudz labprātāk paslēptos. Vairāk par drošību

Kur pasaulē?

Āfrika Āzija Eiropa Ziemeļamerika Dienvidamerika Austrālija un Okeānija

Cik tas ir liels?

Cik tas ir garš?

tik mazs, ka var apsēsties uz tava naga

Cik liels ir Noble false widow salīdzinājumā ar TEVI?

Tikai matemātika tavā pārlūkā. Nekas netiek saglabāts vai kaut kur nosūtīts.

Cik tas ir ātrs?

Bruņurupucis apmēram 0,3 km/h (0,19 mph)

Noble false widow apmēram 0,86 km/h (0,53 mph)

Ejošs cilvēks apmēram 5 km/h (3,1 mph)

vērts zināt

Fakti

The spider often catches prey much larger than itself, including bats, because its venom works quickly.1

It can survive without drinking water, getting all its liquid from its prey.1

Males court females by tapping the web and vibrating their bodies, and they can make scraping sounds with their abdomens.1

It has poor eyesight and relies mainly on vibrations travelling through its web.1

It produces three-dimensional cobwebs, and its silk is unusually strong for its genus.1

One adult female lived almost five and a half years in captivity, and adult females are long-lived.1

Mītu grāvējs

Mīts: It is the same spider as the black widow.

Patiesība: It only looks similar to the black widow. It belongs to the genus Steatoda, while the black widow belongs to the genus Latrodectus.1

Indes ekspertiem

Zinātniskais nosaukums: Steatoda nobilis
Grupa: Zirnekļi
Ģimene: Theridiidae2
Secība: Araneae
Kontinenti: Eiropa, Āfrika
Mazuļi: Females make egg sacs containing an average of 94 eggs, with a range of 34 to 208 eggs. The young hatch inside the egg sac about 18 days after the eggs are laid.1
Mūža ilgums: apmēram 5 gadi1
Bīstamība cilvēkiem: 2 / 5: Sāpīgs3

No kurienes nāk fakti

Steatoda nobilis (Wikipedia (CC BY-SA 4.0))
Steatoda nobilis (iNaturalist): nosaukumi un klasifikācija.
Venom Wiki: bīstamības līmenis, tipiskais izmērs un ātruma minējums ir mūsu pašu. Paskaties, kā mēs tos aprēķinām: Kā mēs vērtējam bīstamību.

Katram faktam šajā lapā ir numurs, kas norāda uz tā avotu. Ja mēs kaut ko esam sajaukuši, piedod, mēs esam dzīvnieku fani, nevis zinātnisks žurnāls. Uzraksti mums uz [email protected], un mēs to izlabosim.

Skorpions ir izsalcis! Venom Wiki ir viena cilvēka projekts: bezmaksas, bez reklāmām un bez izsekotājiem. Neliels ziedojums palīdz to uzturēt tiešsaistē.Pabaro skorpionu