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Natal fijo Darwin's bark spider
Limre 0714 e 1 402

Darwin's bark spider

Caerostris darwini
Baɗte innde: 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
Alaa boneAlaa bone e yimɓe. Alaa ko huloto.
Gizo-gizo Ina ŋataIna ñaama: Dabbaaji pamari (insect)
Bone e yimɓe: HoyɗoNo fiɗol nyaaku walla ɓuri famɗude. Ɓadii alaa bone e yimɓe.

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

Ina wona e
Madagascar, found in Andasibe-Mantadia National Park1
Afirik
Galle
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
Njuuteendi
2,2 cm (0,9 in)1
Yaawre ɓurnde
ɓadii 1,1 km/h (0,68 mph)
E leydi, miijo tan
Hol ko nde ñaamata?
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
Goonga!Foto Darwin's bark spider
Darwin's bark spider. Foto: Matjazgregoric. CC BY-SA 4.0, iNaturalist.

No anndirto nde

  • 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

Ina jiiɓindiree e: 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

Doole tooke

Ina ŋata

Tooke ina yalta e ñiiƴe mum si nde ŋatii.

Hol no nde woni bone e yimɓe?

Bone e yimɓe: HoyɗoNo fiɗol nyaaku walla ɓuri famɗude. Ɓadii alaa bone e yimɓe.

Si nde ŋatii

  • Lootu ŋatol ngol, waɗu kankara dow mum ngam muusu. Heɓu ballal doktaa si muusu ina tiiɗi, ina yaajoo, walla neɗɗo oo ɓanndu mum welaani.

Sahaa fof, noddu lamba ballal yaawngal (112, 000, 911) ko adii. Ɗum ko ballal arano kuuɓal, wonaa wasiyya doktaa. Aslu ballal arano

Reen hoore maa

  • Taa memu, taa nanngu, taa aaɓnu dabbaare ladde abada, hay pamaro, hay si ina wayi no ɗaanii walla maayii.
  • Accu nde nokku. Si a fottii e gooto, deeƴu, ruttu caggal seeɗa seeɗa, accu nde yaha laawol mum.
  • Si gooto e majji ŋatii ma: deeƴu, taa dillu, noddu lamba ballal yaawngal (112, 000, 911) walla yah asibiti law. Siftor no nde wayri, foto ina walla.

Nde ɗaɓɓaaki ma. Nde huutora tooke mum ngam nanngude ñaamdu walla reende hoore mum, nde ɓuri yiɗde suuɗaade. Ɓeydu anndude no reentorto

Hol no nde mawni?

Hol no nde juuti?

Darwin's bark spider juuti ɓadii 2,2 cm (0,9 in)Ɓii maaro ɓadii 7 mm (0,3 in)Ceede euro 1 ɓadii 2,3 cm (0,9 in)
juuti ɓadii no kilip kaayitina waawi dogde meeter 100 nder sakan 330 (neɗɗo ɓurɗo yaawde ina haani 9,6)

Hol no Darwin's bark spider mawni, fottindaade e AAN?

Hiisa tan nder browser maa. Alaa ko mooftetee walla ko neletee.

Hol no nde yaawi?

ina haani anndeede

Anndal

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

Ngam ganduɓe tooke

Innde ganndal
Caerostris darwini
Fedde
Gizo-gizo
Besngu
Araneidae2
Tolno
Araneae
Nahiyaaji
Afirik
Bone e yimɓe
1 / 5: Hoyɗo3

Ɗo anndal iwi

  1. Darwin's bark spider (Wikipedia (CC BY-SA 4.0))
  2. Caerostris darwini (iNaturalist): inɗe e tolnugol.
  3. Venom Wiki: darja bone, mawnude woowaaɗo e miijo yaawre ko amen. Ndaar no min hiisirta ɗum: No min betiri bone.

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