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Giant house spider

Eratigena atrica
Davart il num: The species name atrica means 'from the atrium', which may refer to a greenhouse where the first specimen was found or to its habit of living in houses.1
NunprivlusNunprivlus per umans. Nagut da far quitads.
Filiens Morsas
Privel per umans: LevSco ina piztgada d'avieul u main. Practicamain nunprivlus per umans.

The giant house spider is a large, brown spider that often lives indoors, especially in Europe, where it is native. It is also found in parts of North America, where it was introduced. Its bite is not considered dangerous to people or pets.1

Viva en
Native to Europe. Introduced to North America, including British Columbia, Montana, Quebec, Newfoundland and Nova Scotia.1
Europa
Pagina iniziala
Giant house spiders often live in buildings. They favour hidden spots such as behind crates, around windows and under furniture.1
Lunghezza
1,9 cm (0,7 in)1
Sveltezza maximala
circa 1,9 km/h (1,2 mph)
Sin terra: ina giada il recordist sco filien il pli svelt
Propi!Foto da Giant house spider
Giant house spider. Foto: Ludivine Lamare. CC BY 4.0, iNaturalist.

Co renconuscher el

  • Mainly dark-brown body, in earthy tones of brown and muddy-red or yellow.1
  • A lighter arrow-shaped marking on the front part of the body (the sternum), with three light spots on each side.1
  • A lighter middle line on the abdomen, with six light spots on each side.1
  • Conspicuously hairy legs, palps and abdomen.1
  • Females reach up to 18.5 mm in body length. Males are slightly smaller, at around 12 to 15 mm. Males have larger palps and a slimmer abdomen than females.1

Savens confundì cun: The giant house spider has the same colouring as the domestic house spider, Tegenaria domestica. The two closest relatives, E. duellica and E. saeva, look the same as E. atrica. The three species can only be separated by microscopic measurements of the body parts.1

Forza dal tissi

Morsas

Il tissi vegn or tras ses dents da tissi u ses dents, cura ch'el morda.

Quant privlus è el per umans?

Privel per umans: LevSco ina piztgada d'avieul u main. Practicamain nunprivlus per umans.

Bites are not considered dangerous to humans or pets.1

Sch'el morda

  • Lava la morsa e metta in pachet da glatsch sin ella cunter las dolurs. Tschertga agid medicinal, sche las dolurs èn fermas, sa derasan u sche la persuna na sa senta betg bain.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta morda: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed Oceania

Quant grond è el?

Quant lung è el?

Giant house spider circa 1,9 cm lung (0,7 in)In graun da ris circa 7 mm (0,3 in)Ina munaida d'1 euro circa 2,3 cm (0,9 in)
pli curt che tes det pitschenpudess currer 100 meters en 190 secundas (l'uman il pli svelt dovra 9,6)

Quant grond è Giant house spider cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

1

The eyes are all the same size and sit in two rows. They contain few visual cells, so the spider can probably only tell light from dark.1

2

Until 2018, the giant house spider was treated as one species. Research then showed three separate species, which can only be told apart under a microscope.1

3

Males wander while searching for females during mating season, which runs from late summer into autumn. This is when they are most often noticed.1

4

Males have no Y chromosome. Males carry X1 and X2, and females carry two pairs of X chromosomes. This form of sex determination is the most common in spiders and is probably the ancestral form.1

Per experts da tissi

Num scientific
Eratigena atrica
Gruppa
Filiens
Famiglia
Agelenidae2
Urden
Araneae
Continents
Europa
Privel per umans
1 / 5: Lev3

Da nua che vegnan ils fatgs

  1. Eratigena atrica (Wikipedia (CC BY-SA 4.0))
  2. Eratigena atrica (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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