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Darwin's bark spider

Caerostris darwini
Game da sunan: 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
Marar lahaniBa shi da lahani ga mutane. Babu abin damuwa.
Gizo-gizo CizoAbinci: Ƙwari
Haɗari ga mutane: Mai sauƙiKamar harbin ƙudan zuma ko ƙasa da haka. Kusan ba shi da lahani ga mutane.

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

Yana zaune a
Madagascar, found in Andasibe-Mantadia National Park1
Afirka
Gida
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
Tsawo
2.2 cm (0.9 in)1
Mafi girman sauri
kusan 1.1 km/h (0.68 mph)
A kan tudu, ƙiyasi
Me yake ci?
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
Da gaske!Hoton Darwin's bark spider
Darwin's bark spider. Hoto: Matjazgregoric. CC BY-SA 4.0, iNaturalist.

Yadda za ka gane shi

  • 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

Ana yawan rikita shi da: 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

Ƙarfin dafi

Cizo

Dafi yana fitowa ta haƙoransa na dafi ko haƙoransa idan ya ciza.

Yaya haɗarinsa yake ga mutane?

Haɗari ga mutane: Mai sauƙiKamar harbin ƙudan zuma ko ƙasa da haka. Kusan ba shi da lahani ga mutane.

Idan ya ciji

  • Ka wanke wurin cizon kuma ka saka ƙanƙara a cikin jaka a kai don ciwon. Ka nemi taimakon likita idan ciwon ya yi ƙarfi, ya bazu ko mutumin bai ji daɗi ba.

Kullum ka fara kiran lambar gaggawa (112, 000, 911). Wannan jagorar agajin gaggawa ce ta gaba ɗaya, ba shawarar likita ba. Muhimman abubuwan agajin gaggawa

Kiyaye lafiya

  • Kada ka taɓa, kada ka kama, kada ka tsokani dabbar daji, ko da ƙarama ce, kuma ko da tana kama da tana barci ko ta mutu.
  • Ka ba shi sarari. Idan ka haɗu da ɗaya, ka natsu, ka koma baya a hankali kuma ka bar shi ya bi hanyarsa.
  • Idan ɗaya ya ciji ka: ka natsu, ka zauna ba motsi, ka kira lambar gaggawarka (112, 000, 911) ko ka je asibiti da sauri. Ka tuna yadda yake, hoto yana taimakawa.

Ba ya neman cutar da kai. Yana amfani da dafinsa don kama abinci ko don kare kansa, kuma ya fi son ya ɓuya. Ƙarin bayani game da kiyaye lafiya

A ina a duniya?

AfirkaAsiyaTuraiArewacin AmurkaKudancin AmurkaOstareliya da Oceania

Yaya girmansa yake?

Yaya tsawonsa yake?

Darwin's bark spider tsawonsa kusan 2.2 cm (0.9 in)Ƙwayar shinkafa kusan 7 mm (0.3 in)Tsabar kuɗin euro 1 kusan 2.3 cm (0.9 in)
kusan tsawon kilif ɗin takardazai iya gudun mita 100 cikin daƙiƙa 330 (mutum mafi sauri yana buƙatar 9,6)

Yaya girman Darwin's bark spider yake idan aka kwatanta da KAI?

Lissafi ne kawai a cikin burauzarka. Ba a adana komai ko a aika ko'ina.

Yaya saurinsa yake?

abin da ya kamata a sani

Bayanai

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

Don ƙwararru a kan dafi

Sunan kimiyya
Caerostris darwini
Rukuni
Gizo-gizo
Iyali
Araneidae2
Tsari
Araneae
Nahiyoyi
Afirka
Haɗari ga mutane
1 / 5: Mai sauƙi3

Inda bayanan suka fito

  1. Darwin's bark spider (Wikipedia (CC BY-SA 4.0))
  2. Caerostris darwini (iNaturalist): sunaye da rarrabuwa.
  3. Venom Wiki: matakin haɗari, girman al'ada da ƙiyasin sauri namu ne. Ga yadda muke lissafa su: Yadda muke auna haɗari.

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