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Fakkii kaartuunii Darwin's bark spider
Lakk. 0714 1 402 keessaa

Darwin's bark spider

Caerostris darwini
Waa'ee maqaa: 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
Miidhaa hin qabuNamootaaf miidhaa hin qabu. Waan si yaaddessu hin jiru.
Sardiidota CiniinnaaNyaata: Ilbiisota
Balaa namootaaf: SalphaaAkka iddii kanniisaa ykn sanaa gadi. Namootaaf gonkumaa jechuun ni danda'ama miidhaa hin qabu.

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

Kan jiraatu
Madagascar, found in Andasibe-Mantadia National Park1
Afrikaa
Mana
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
Dheerina
2,2 cm (0,9 in)1
Ariitii olaanaa
gara 1,1 km/sa'a (0,68 mph)
Lafa irra, tilmaama
Maal nyaata?
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
Dhugumaan!Suuraa Darwin's bark spider
Darwin's bark spider. Suuraa: Matjazgregoric. CC BY-SA 4.0, iNaturalist.

Akkaataa itti beekamu

  • 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

Yeroo baay'ee kan itti wal fakkeessan: 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

Humna summii

Ciniinnaa

Summiin yeroo ciniinu ilkaan summii ykn ilkaan isaa keessaan ba'a.

Namootaaf hammam balaa qaba?

Balaa namootaaf: SalphaaAkka iddii kanniisaa ykn sanaa gadi. Namootaaf gonkumaa jechuun ni danda'ama miidhaa hin qabu.

Yoo ciniine

  • Bakka ciniiname dhiqiitii dhukkubbiif kiisii cabbii irra kaa'i. Yoo dhukkubbiin cimaa ta'e, babal'ate ykn namichi dhukkubsate gargaarsa yaalaa argadhu.

Yeroo hunda dursa lakkoofsa balaa tasaa kee bilbili (112, 000, 911). Kun qajeelfama gargaarsa jalqabaa waliigalaa ti, gorsa yaalaa miti. Bu'uura gargaarsa jalqabaa

Nageenyaan turi

  • Bineensa bosonaa gonkumaa hin tuqin, hin qabin, hin tuttuqin, xiqqaa ta'us, rafe ykn du'e fakkaatus.
  • Iddoo itti kenni. Yoo tokko wajjin wal argite, tasgabbaa'i, suuta duubatti deebi'iitii karaa isaa akka deemu dhiisi.
  • Yoo tokko si ciniine: tasgabbaa'i, sochii malee turi, lakkoofsa balaa tasaa kee (112, 000, 911) bilbili ykn dafii hospitaala ga'i. Maal akka fakkaatu yaadadhu, suuraan ni gargaara.

Si miidhuuf si hin barbaadu. Summii isaa nyaata qabachuuf ykn of eeguuf fayyadama, dhokachuu immoo baay'ee filata. Waa'ee nageenyaa dabalataan

Addunyaa keessaa eessatti?

AfrikaaEeshiyaaAwurooppaaAmeerikaa KaabaaAmeerikaa KibbaaAwustiraaliyaa fi Oshiyaaniyaa

Hammam guddaa dha?

Dheerinni isaa hammam?

Darwin's bark spider dheerinni gara 2,2 cm (0,9 in)Firii ruuzii tokko gara 7 mm (0,3 in)Saantima yuuroo 1 gara 2,3 cm (0,9 in)
gara dheerina kilippii waraqaameetira 100 sekoondii 330 keessatti fiiguu danda'a (namni hundaa caalaa ariifatu 9,6 barbaada)

Darwin's bark spider SI wajjin yoo wal bira qabamu hammam guddaa dha?

Herrega qofa barsiisaa kee keessatti. Homtuu hin olkaa'amu, eessayyuu hin ergamu.

Hammam ariifata?

beekuun gaarii dha

Dhugaawwan

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

Ogeeyyii summiitiif

Maqaa saayinsii
Caerostris darwini
Garee
Sardiidota
Maatii
Araneidae2
Tartiiba
Araneae
Ardiiwwan
Afrikaa
Balaa namootaaf
1 / 5: Salphaa3

Dhugaawwan eessaa dhufu

  1. Darwin's bark spider (Wikipedia (CC BY-SA 4.0))
  2. Caerostris darwini (iNaturalist): maqaa fi ramaddii.
  3. Venom Wiki: sadarkaan balaa, guddinni idilee fi tilmaamni ariitii kan keenya. Akkamitti akka hojjennu ilaali: Balaa akkamitti madaalla.

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Iskoorpiyoonii nyaachisisaanduqa gumaachaa, bilisa godhee tursiisa