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Nataal bu ñu rëdd ci Darwin's bark spider
No 0714 ci 1 402

Darwin's bark spider

Caerostris darwini
Ci turam: It was named in honour of the naturalist Charles Darwin, on 24 November 2009, exactly 150 years after The Origin of Species was published.1
Amul lorAmul lor ci nit. Amul lu la war a jaaxal.
Jargoñ Dafay màttDafay lekk: Gunóor
Musiba ci nit: WoyofNi jamu yamb walla lu ko yées. Lu jege, amul lor ci nit.

Darwin's bark spider is an orb-weaver that builds the largest orb webs ever seen. It lives in the forests of Madagascar, where it hangs its web over rivers and lakes. Scientists found it in 2009, and it has unusually tough silk.1

Dafay dund ci
Madagascar, found in Andasibe-Mantadia National Park1
Afrig
Kër
Builds its web directly above rivers or the water of lakes, a habitat no other spider is known to use. Its webs are large enough to be noticed from a distance.1
Guddaay
2,2 cm (0,9 in)1
Gaawaay bu gën a kawe
lu tollu ci 1,1 km/h (0,68 mph)
Ci suuf, xalaat
Lan lay lekk?
Catches insects, including mayflies, that fly over the water and become caught in its web. One web has been seen holding up to 32 mayflies at a time.1
Dëgg-dëgg!Fotoy Darwin's bark spider
Darwin's bark spider. Foto: Matjazgregoric. CC BY-SA 4.0, iNaturalist.

Ni ngay ko xàmmee

  • Females are largely black, with white hairs on the body and legs.1
  • The top of the front body section has two pairs of raised humps, one at the sides and one towards the back.1
  • Females are about 1.8 to 2.2 cm long, while males are around 0.6 cm.1
  • Males are redder and lighter brown, with white hairs and red, hairless leg segments (femora).1
  • Webs are very large, up to 2.8 square metres, and are strung over water.1

Ñu ngi koy faral di jaxasoo ak: Other Caerostris species live in the same region of Madagascar. Darwin's bark spider has clearly separated epigynal chambers (parts of the female's genital plate) with a pair of hooks at the back, which the other species from the region do not have.1

Kàttanu daŋar

Dafay màtt

Daŋar bi dafay génn ci bëñam yi su màttee.

Ni mu lore nit ñi?

Musiba ci nit: WoyofNi jamu yamb walla lu ko yées. Lu jege, amul lor ci nit.

Su màttee

  • Raxas fa mu màtt te teg ci mbuusu galaas ngir metit wi. Wutal ndimbal doktoor su metit wi dëgëree, mu law, walla yaramu nit ki baaxul.

Saa su nekk, woo jëkk sa nimerob urgence (112, 000, 911). Lii ay ndigal yu yaatu ci ndimbal yu jëkk la, du ndigalu doktoor. Li war a xam ci ndimbal yu jëkk

Sàmmal sa bopp

  • Bul laal mukk, bul jàpp, bul sonal ab rab bu àll, doonte bu ndaw la, te doonte dafa mel ni dafa nelaw walla dafa dee.
  • May ko bérab. Su nga ko gisee, dalal, dellu ginnaaw ndànk-ndànk te bàyyi ko mu dem yoonam.
  • Su benn màttee la: dalal, bul yëngu, woo sa nimerob urgence (112, 000, 911) walla dem lopitaan ci gaaw. Bul fàtte ni mu meloon, ab nataal dina dimbali.

Du la wut. Dafay jëfandikoo daŋaram ngir jàpp lu muy lekk walla ngir aar boppam, te nëbbu moo ko gën a neex. Yeneen ci ni ngay sàmme sa bopp

Ni mu réye?

Ni mu guddoo?

Darwin's bark spider guddaayam lu tollu ci 2,2 cm (0,9 in)Ab peppu ceeb lu tollu ci 7 mm (0,3 in)Ab pees bu 1 euro lu tollu ci 2,3 cm (0,9 in)
guddu na lu tollu ci trombonemën na daw 100 meetar ci 330 segond (nit ki gën a gaaw soxla na 9,6)

Darwin's bark spider ni mu réye ci wetu YOW?

Ay waññ rekk ci sa navigateur. Dara du denc te dara du yónnee fenn.

Ni mu gaawe?

baax na xam

Xibaar

1

Its silk is the toughest biological material ever studied. It is over ten times tougher than a similar amount of Kevlar.1

2

Its web is the largest orb web ever observed, covering up to 2.8 square metres. Its bridge lines can span up to 25 metres.1

3

The spider uses a set of web-building behaviours that are unknown in other spiders. It releases bridge silk into the air so the wind carries it across the water.1

4

Females are much larger than males, sometimes many times heavier. This is one of the most extreme size differences between the sexes in spiders.1

5

Flies that feed on its catches have been found living alongside it, and the spider sometimes chases them away.1

Ngir boroom xam-xam ci daŋar

Turu xam-xam
Caerostris darwini
Mbooloo
Jargoñ
Njaboot
Araneidae2
Toftal
Araneae
Kontinaa yi
Afrig
Musiba ci nit
1 / 5: Woyof3

Fa xibaar yi jóge

  1. Darwin's bark spider (Wikipedia (CC BY-SA 4.0))
  2. Caerostris darwini (iNaturalist): tur ak ni ñu leen séddale.
  3. Venom Wiki: tolluwaayu musiba bi, réyaay bu yem bi ak xalaatu gaawaay bi, nun ñoo leen defar. Seetal ni nu leen waññe: Ni nuy natte musiba.

Xibaar bu nekk ci xët wii am na ab nimero buy won fa mu jóge. Su nu juumee, baal nu, nun ay nit ñu bëgg rab lanu, du ab jurnaalu xam-xam. Wax nu ko ci [email protected] te dinanu ko jubbanti.

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