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Triangulate cobweb spider

Steatoda triangulosa
Davart il num: Its common name comes from the triangle-shaped pattern on the top of its abdomen.1
NunprivlusNunprivlus per umans. Nagut da far quitads.
Filiens MorsasMangia: Charn
Privel per umans: LevSco ina piztgada d'avieul u main. Practicamain nunprivlus per umans.

The triangulate cobweb spider is a small, common house spider with a triangle-shaped pattern on its abdomen. It builds messy sticky webs in dark corners of buildings and is found across much of the world. It is a helpful spider that catches many insects and other spiders.1

Viva en
Native to Eurasia. Introduced to North America, Argentina, the Canary Islands and South Africa.1
Europa, Asia
Pagina iniziala
This spider is mainly a house spider. It builds webs in dark corners of buildings and other man-made structures. It is also found in dark places outdoors, often close to the ground and under stones.1
Lunghezza
6 mm (0,2 in)1
Sveltezza maximala
circa 0,74 km/h (0,46 mph)
Sin terra, stima approximativa
Tge mangia el?
It preys on many arthropods, including ants (such as fire ants), other spiders, pillbugs and ticks. It also catches some spiders that are believed to be harmful to humans, including the brown recluse. It catches whatever comes into its web and builds the web to suit the size of its prey.1
Propi!Foto da Triangulate cobweb spider
Triangulate cobweb spider. Foto: Patrick Hacker. CC BY 4.0, iNaturalist.

Co renconuscher el

  • Adult females are 3 to 6 mm long.1
  • The cephalothorax (front body section) is brownish-orange.1
  • The legs are spindly and yellowish, with tiny hairs.1
  • The round, bulbous abdomen is creamy, with parallel purply-brown zigzag lines running front to back.1
  • The abdomen pattern includes a triangle shape on its top side.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.

It is not very defensive towards humans. There is one known case of human envenomation.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?

Triangulate cobweb spider circa 6 mm lung (0,2 in)In graun da ris circa 7 mm (0,3 in)Ina munaida d'1 euro circa 2,3 cm (0,9 in)
uschè pitschen ch'el po seser sin tia ungla

Quant grond è Triangulate cobweb spider cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

Below or inside its web, there can be many dead insects, from stink bugs to other spiders and even wasps.1

2

Among the Steatoda spiders, it is one of the most voracious and prey-driven, even though it is one of the smaller species.1

3

Because of its limited eyesight, it relies mostly on vibrations travelling through its web to find prey and to sense larger animals that could harm it.1

4

Its egg sac is loosely woven silk and is about the same size as the spider itself.1

5

It spends hours each day building its web and eats during only part of its day.1

Per experts da tissi

Num scientific
Steatoda triangulosa
Gruppa
Filiens
Famiglia
Theridiidae2
Urden
Araneae
Continents
Europa, Asia
Poppins
Each egg sac is about the same size as the spider and holds approximately 30 eggs. Reproduction without males (parthenogenesis) is suspected but not proven.1
Co ch'i va ad el en la natira
Least Concern1
Privel per umans
1 / 5: Lev3

Da nua che vegnan ils fatgs

  1. Triangulate cobweb spider (Wikipedia (CC BY-SA 4.0))
  2. Steatoda triangulosa (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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