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Darwin's bark spider kartun
Nɔma 0714 wɔ 1 402 mu

Darwin's bark spider

Caerostris darwini
Ne din ho asɛm: 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
Ɛnni asianeƐnni asiane ma nnipa. Biribiara nni hɔ a ɛsɛ sɛ wode haw wo ho.
Ananse KaƆdi: Mmoawa
Asiane ma nnipa: Ɛnyɛ denƐte sɛ wowa wɔ anaa ɛnnu saa. Ɛkame ayɛ sɛ ɛnni asiane ma nnipa.

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

Ɔte
Madagascar, found in Andasibe-Mantadia National Park1
Abibirem
Fie
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
Tenten
2,2 cm (0,9 in)1
Ntɛm a ɛsen biara
bɛyɛ 1,1 km/h (0,68 mph)
Asaase so, susuo kɛkɛ
Ɛdi deɛn?
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
Ampa!Darwin's bark spider mfonini
Darwin's bark spider. Mfonini: Matjazgregoric. CC BY-SA 4.0, iNaturalist.

Sɛdeɛ wobɛhunu no

  • 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

Wɔtaa fa no sɛ: 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

Bɔre ahoɔden

Ka

Bɔre fi ne se mu ba bere a ɔka.

Ne asiane ma nnipa te sɛn?

Asiane ma nnipa: Ɛnyɛ denƐte sɛ wowa wɔ anaa ɛnnu saa. Ɛkame ayɛ sɛ ɛnni asiane ma nnipa.

Sɛ ɛka a

  • Hohoro baabi a ɛkaa no na fa ice pack hyɛ so ma yaw no. Hwehwɛ dɔkota mmoa sɛ yaw no mu yɛ den, ɛtrɛtrɛw anaa onipa no ho ntɔ no a.

Di kan frɛ wo ahohiahia nɔma (112, 000, 911). Yei yɛ mmoa a ɛdi kan ho akwankyerɛ, ɛnyɛ dɔkota afotuo. Mmoa a ɛdi kan ho nsɛm titiriw

Hwɛ wo ho so

  • Mfa wo nsa nka wiram aboa biara, nkyere no na mfa no nni agorɔ, sɛ ɔyɛ ketewa mpo, na sɛ ɛte sɛ ɔrededa anaa wawu mpo a.
  • Ma no kwan. Sɛ wohyia baako a, ma wo bo nnwo, san w'akyi brɛoo na ma ɔnkɔ ne kwan.
  • Sɛ baako ka wo a: ma wo bo nnwo, tena dinn, frɛ wo ahohiahia nɔma (112, 000, 911) anaa kɔ ayaresabea ntɛm. Kae sɛdeɛ na ɛte, mfonini bɛboa.

Ɛnhwehwɛ wo sɛ ɛbɛpira wo. Ɛde ne bɔre kyere aduane anaa ɛbɔ ne ho ban, na ɛpɛ sɛ ɛhinta sene biribiara. Nsɛm pii fa ahobammɔ ho

Wiase mu baabi bɛn?

AbibiremAsiaYuropuAmerika AtifiAmerika AnaafoɔAustralia ne Oceania

Ne kɛseɛ te sɛn?

Ne tenten te sɛn?

Darwin's bark spider ne tenten bɛyɛ 2,2 cm (0,9 in)Ɛmo aba baako bɛyɛ 7 mm (0,3 in)Euro 1 dwetɛ sika bɛyɛ 2,3 cm (0,9 in)
ne tenten bɛyɛ sɛ paper clipɛbɛtumi atu mita 100 wɔ anibu 330 mu (onipa a ɔwɔ ntɛm sen biara hia 9.6)

Darwin's bark spider kɛseɛ te sɛn sɛ wode toto WO ho a?

Akontabuo kɛkɛ wɔ wo browser mu. Wɔnkora hwee, na wɔmfa hwee nkɔ baabiara.

Ne ntɛm te sɛn?

ɛho hia sɛ wohunu

Nsɛm

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

Ma bɔre ho animdefoɔ

Nyansahu din
Caerostris darwini
Kuo
Ananse
Abusua
Araneidae2
Nhyehyɛeɛ (Order)
Araneae
Asaase akɛseɛ
Abibirem
Asiane ma nnipa
1 / 5: Ɛnyɛ den3

Baabi a nsɛm no fi

  1. Darwin's bark spider (Wikipedia (CC BY-SA 4.0))
  2. Caerostris darwini (iNaturalist): din ne nkyekyɛmu.
  3. Venom Wiki: asiane gyinabea, kɛseɛ a ɛtaa yɛ ne ntɛm susuo no yɛ yɛn ankasa deɛ. Hwɛ sɛdeɛ yɛbu no: Sɛdeɛ yɛkyerɛ asiane gyinabea.

Nsɛm biara a ɛwɔ kratafa yi so wɔ nɔma a ɛkyerɛ ne fibea. Sɛ yɛfom biribi a, kafra, yɛyɛ mmoa ho akɔnnɔfoɔ, ɛnyɛ nyansahu nwoma. Ka kyerɛ yɛn wɔ [email protected] na yɛbɛsiesie.

Ɔkɔm de akekantwerɛ no! Onipa baako na ɔyɛ Venom Wiki: ɛyɛ kwa, dawurubɔ nni so na biribiara nni so a ɛdi w'akyi. Akyɛdeɛ ketewa bi boa ma ɛkɔ so tena internet so.Ma akekantwere no aduane

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