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Raft spider

Dolomedes fimbriatus

Ibyerekeye izina: The genus name Dolomedes is from Greek and is translated as crafty or wily.1

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 raft spider is a large spider that lives partly in the water. It is found across north-western and central Europe, mostly in wet heaths and swampy places. It is one of only two Dolomedes spiders found in Europe.1

Iba muri

North-western and central Europe1

Uburayi, Aziya

Ahabanza

Adults live in freshwater wetlands, especially wet heaths and acid swamps. Juveniles are mostly found in the plants on land around wetland areas.1

Uburebure

2,2 cm (0,9 in)1

Umuvuduko wo hejuru

hafi 1,3 km/h (0,81 mph)

Ku butaka, ikigereranyo cy'ugereranyije

Irya iki?

It eats freshwater invertebrates such as water beetles, pond striders and dragonfly larvae. It hunts on the water surface and detects prey through vibrations in the water. Occasionally it eats small vertebrates such as sticklebacks and small frogs.1

Ifoto ya Raft spider — Raft spider. Ifoto: LithobiusOrigins. CC BY-SA 4.0, Wikimedia Commons.

Uko wayimenya

Adults are dark brown with a white, cream or yellow stripe along both sides of the abdomen and thorax.1
Juveniles look similar but often have green translucent legs.1
Females are usually larger than males.1
Hunts on the surface of the water with its front legs outstretched.1

Ikunze kwitiranywa na: The only other Dolomedes spider in Europe is Dolomedes plantarius, which is slightly larger. It is endangered in the UK.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.

Ikora iki iyo ifite ubwoba?

To escape birds, it can fully submerge itself in water and has been known to hide underwater for several minutes.1

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?

Afurika Aziya Uburayi Amerika y'Amajyaruguru Amerika y'Amajyepfo Ositaraliya na Oseyaniya

Ingana gute?

Ireshya ite?

ireshya hafi na trombone yo gufata impapuroyakwiruka metero 100 mu masegonda 280 (umuntu wihuta kurusha abandi akenera 9,6)

Raft spider ingana ite ugereranyije NAWE?

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

Yihuta gute?

Akanyamasyo hafi 0,3 km/h (0,19 mph)

Raft spider hafi 1,3 km/h (0,81 mph)

Umuntu ugenda n'amaguru hafi 5 km/h (3,1 mph)

bikwiye kumenywa

Ibintu by'ukuri

This spider is one of the few species known to attack nearly almost all approaching males, which biologists consider unusual because it can stop mating from succeeding.1

The raft spider can stay hidden underwater for several minutes.1

Females will sometimes eat the male before, during or immediately after mating.1

Males signal their presence to the female by using vibrations on her dragline, which may help them avoid being attacked.1

Ku bahanga mu by'ubumara

Izina rya siyansi: Dolomedes fimbriatus
Itsinda: Ibitagangurirwa
Umuryango: Dolomedidae2
Itsinda rinini (order): Araneae
Imigabane: Uburayi, Aziya
Abana bato: The female carries her fertilised egg sac, then places it in a silken nursery tent she has made. She guards the nursery until the spiderlings are ready to leave.1
Akaga ku bantu: 1 / 5: Yoroheje3

Aho ibintu bivugwa bituruka

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

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