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Igishushanyo cya Fen raft spider
No. 0707 kuri 1 402

Fen raft spider

Dolomedes plantarius
Ntacyo itwayeNtacyo itwaye abantu. Nta mpamvu yo guhangayika.
Ibitagangurirwa IrarumaIrya: Inyama
Akaga ku bantu: YorohejeNko guterwa urubori n'uruyuki cyangwa munsi yaho. Mu by'ukuri ntacyo itwaye abantu.

The fen raft spider is a large spider that lives on the edges of still, slow-moving water in Europe. It hunts from plants at the water's edge and can even run across the surface of a pond. It is rare, and it is protected in many places.1

Iba muri
Throughout Europe and Russia, including the UK, Scandinavia, France and Germany1
Uburayi
Ahabanza
It lives in lowland fens and grazing marshes, usually on the edges of pools or ditches. It needs standing or slow-moving water that is neutral to alkaline, and it avoids places where the water is shaded. Tall plants that stick out of the water are important for perching, basking and building nursery webs.1
Uburebure
7 cm (2,8 in)1
Umuvuduko wo hejuru
hafi 1,3 km/h (0,81 mph)
Ku butaka, ikigereranyo cy'ugereranyije
Irya iki?
It hunts from perches at the water's edge. It feeds mainly on water insects such as pond skaters and dragonfly larvae, smaller water spiders and small fish. It also takes drowning land insects and small animals such as sticklebacks and tadpoles.1
Koko!Ifoto ya Fen raft spider
Fen raft spider. Ifoto: Thomas Gyselinck. CC BY 4.0, iNaturalist.

Uko wayimenya

  • It is a large spider within its range. Adult females have bodies slightly over 2 cm long and a leg span of about 7 cm.1
  • It is usually black or brown, with white or cream stripes along the sides of the body.1
  • It is often found sitting on plant stems at the water's edge, with its back legs on a stem and its front legs on the water.1

Ikunze kwitiranywa na: It is very similar in appearance to the closely related raft spider, Dolomedes fimbriatus, and the two are often misidentified. Identification can be difficult.1

Imbaraga z'ubumara

Iraruma

Ubumara busohokera mu menyo yayo y'ubumara cyangwa mu yandi menyo iyo iriye.

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: YorohejeNko guterwa urubori n'uruyuki cyangwa munsi yaho. Mu by'ukuri ntacyo itwaye abantu.

Niba iruma

  • Oza aho yarumye kandi uhashyire agapaki k'urubura kubera ububabare. Shaka ubufasha bwa muganga niba ububabare bukabije, bukwirakwira cyangwa umuntu yumva atameze neza.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

  • Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
  • Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
  • Niba imwe ikurumye: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ni hehe ku isi?

AfurikaAziyaUburayiAmerika y'AmajyaruguruAmerika y'AmajyepfoOsitaraliya na Oseyaniya

Ingana gute?

Ireshya ite?

Fen raft spider ireshya hafi 7 cm (2,8 in)Trombone yo gufata impapuro hafi 3 cm (1,2 in)Telefoni igezweho hafi 15 cm (5,9 in)
ireshya n'ibice 2 by'ibikinisho byo kubaka biri ku murongoyakwiruka metero 100 mu masegonda 280 (umuntu wihuta kurusha abandi akenera 9,6)

Fen raft spider ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

1

It can run across the surface of water by using surface tension, the force that keeps the water's skin intact.1

2

It can also hunt underwater by running down plant stems, and it can use this route to escape predators.1

3

It detects prey using sensory hairs on its legs, which pick up the vibrations made when prey hits the water.1

4

Before hatching, the female builds a tent-like nursery web on plants above the water, where she guards the young.1

5

In 2010, around 1,600 hand-reared spiderlings were released at a new UK site, which were fed on fruit flies.1

6

Males mate early in the season and most die by late July. Females survive until the end of summer.1

Ku bahanga mu by'ubumara

Izina rya siyansi
Dolomedes plantarius
Itsinda
Ibitagangurirwa
Umuryango
Dolomedidae2
Itsinda rinini (order)
Araneae
Imigabane
Uburayi
Abana bato
The female lays several hundred eggs in a silk sac about 10 mm across, which she carries under her body for around three weeks.1
Igihe ibaho
hafi imyaka 2,51
Uko imeze mu gasozi
Vulnerable (IUCN Red List). In the UK it is Nationally Rare and protected by law.1
Akaga ku bantu
1 / 5: Yoroheje3

Aho ibintu bivugwa bituruka

  1. Great raft spider (Wikipedia (CC BY-SA 4.0))
  2. Dolomedes plantarius (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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