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Marrazkia: Cupboard spider
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Cupboard spider

Steatoda grossa
Izenari buruz: Its names 'false black widow' and 'false widow' come from how much it looks like the black widow spider.1
KaltegabeaKaltegabea pertsonentzat. Ez dago kezkatzeko ezer.
Armiarmak KoskaJaten du: Haragia
Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

The cupboard spider is a common house spider that lives in dark corners and builds messy, three-dimensional webs. It is often mistaken for the dangerous black widow, but its bite is usually minor. Its name shows that it is found in many parts of the world, including Europe, temperate Asia and areas where it has been introduced.1

Non bizi den
Native to Europe and much of temperate Asia. Introduced to North and South America, Macaronesia, Africa, New Zealand and Hawaii.1
Europa
Hasiera
It constructs three-dimensional webs in dark places. In South Africa it has been found in grassland, fynbos, Nama Karoo and savanna biomes.1
Luzera
1,1 cm (0,4 in)1
Abiadura handiena
0,86 km/h inguru (0,53 mph)
Lehorrean, kalkulu gutxi gorabeherakoa
Zer jaten du?
It builds a cobweb of sticky silk fibres and depends mostly on vibrations travelling through the web to find prey. It reportedly preys on black widows.1
Benetan!Argazkia: Cupboard spider
Cupboard spider. Argazkia: Ryan Kaldari, no known copyright restrictions (public domain). Public domain, iNaturalist.

Nola ezagutu

  • Adult females are 6 to 10.5 mm long, dark coloured and round-bodied, with a bulbous abdomen.1
  • Typical colour ranges from purplish brown to black, with light-coloured markings.1
  • It has no bright red hourglass pattern or other bright, distinctive markings.1
  • Males are thinner and can be nearly as long as females, at 4.1 to 10 mm.1
  • Sexually mature males have lighter, more reddish legs than females.1

Askotan honekin nahasten da: It is often confused with black widows and redbacks (Latrodectus species), which have a bright red hourglass pattern that this spider lacks. Steatoda borealis is similar in shape but slightly smaller and found in colder climates. It has coloured markings on the top of the abdomen rather than the underside.1

Pozoi-ahalmena

Koska

Pozoia letaginetatik edo hortzetatik ateratzen da kosk egiten duenean.

Zer egiten du bere pozoiak?

The bite is minor in humans and has no long-lasting effects. Symptoms can include blistering at the bite site and pain. A few cases have included fever, nausea, sweating and a general feeling of being unwell that lasted several days.1

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

The spider is not aggressive. Most injuries to people happen when a spider is accidentally squeezed or pinched and bites in defence. It is possible that a spider may bite a finger pushed into its web by mistake.1

Albiste ona: medikuek badute sendagai bat (antipozoia) edo tratamendu bat honetarako.1

Zer egiten du beldurtzen denean?

It usually flees when a large creature comes near, and it bites when it is squeezed or pinched.1

Kosk egiten badu

  • Garbitu koska eta jarri izotz-poltsa bat gainean minerako. Lortu mediku-laguntza mina handia bada, zabaltzen bada edo pertsona gaizki sentitzen bada.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

  • Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
  • Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
  • Batek kosk egiten badizu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.

Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago

Munduko zein tokitan?

AfrikaAsiaEuropaIpar AmerikaHego AmerikaAustralia eta Ozeania

Zein handia da?

Zein luzea da?

Cupboard spider 1,1 cm inguru luze (0,4 in)Arroz-ale bat 7 mm inguru (0,3 in)Euro bateko txanpon bat 2,3 cm inguru (0,9 in)
zure azazkalaren gainean esertzeko bezain txikia

Zein handia da Cupboard spider ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

jakin beharrekoa

Datuak

1

Director Sam Raimi chose this spider to play the radioactive spider that bites Peter Parker in the 2002 film Spider-Man. The filming spider was painted with red and blue makeup.1

2

The spider reportedly preys on black widows, which can make it useful to have around.1

3

It can go several months without feeding, as long as it has access to water.1

4

Females can live up to six years, while males typically live 1 to 1.5 years and often die shortly after mating.1

Mito-hauslea

Mitoa: It is a dangerous widow spider, just like the black widow.

Egia: Its bite is minor in humans and has no long-lasting effects, although it can cause pain, blistering and, in a few cases, several days of feeling unwell.1

Pozoi-adituentzat

Izen zientifikoa
Steatoda grossa
Taldea
Armiarmak
Familia
Theridiidae2
Ordena
Araneae
Kontinenteak
Europa
Kumeak
A well-fed female can lay three or more egg sacs each year, with 40 to 100 eggs in each sac. The eggs usually hatch within a month at normal household temperature and humidity, and the spiderlings are independent from the moment they hatch.1
Bizi-iraupena
6 urte inguru1
Arriskua pertsonentzat
1 / 5: Arina3

Datuak nondik datozen

  1. Steatoda grossa (Wikipedia (CC BY-SA 4.0))
  2. Steatoda grossa (iNaturalist): izenak eta sailkapena.
  3. Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

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