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Diving bell spider

Argyroneta aquatica

Ibyerekeye izina: The genus name Argyroneta comes from Greek words meaning 'silver' and 'spinner', so it means 'spinner of silver', after the silvery look of its air bell.1

Irababaza gusaIrababaza, ariko ntizakugirira nabi bikomeye.

Ibitagangurirwa

IrarumaIrya: Inyama

Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

The diving bell spider is the only spider known to live almost entirely underwater. It makes its home in clean freshwater across Europe and Asia. It is special because it breathes air that it carries down from the surface and keeps in a silk bell under the water.1

Iba muri

Freshwater in mainland Europe, the British Isles and central to northern Asia, reaching as far south as Iran and north to Siberia. Japan has a very similar subspecies.1

Uburayi, Aziya

Ahabanza

It lives in clean freshwater with aquatic plants, such as lakes, ponds, canals, marshes and slow-moving streams. It builds its diving bell between submerged water plants.1

Uburebure

8 mm kugeza kuri 1,5 cm (0,3 in kugeza kuri 0,6 in)1

Umuvuduko wo hejuru

hafi 0,86 km/h (0,53 mph)

Ku butaka, ikigereranyo cy'ugereranyije

Irya iki?

It eats aquatic insects and crustaceans such as mosquito larvae and Daphnia. It waits in its bell and darts out to catch prey that touches the bell or its anchor threads.1

Ifoto ya Diving bell spider — Diving bell spider. Ifoto: Baupi. CC BY-SA 4.0, iNaturalist.

Uko wayimenya

Out of the water, it is mid to dark brown.1
Hairs on the abdomen give it a dark grey, velvet-like look.1
Underwater, an air bubble trapped by dense hairs on the abdomen and legs makes it look silvery.1
Males have a head-and-body length of 10 to 15 mm, and females 8 to 12 mm.1
It spends most of its time inside a silk diving bell, darting out to catch prey.1

Imbaraga z'ubumara

Iraruma

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

Ubumara bwayo bukora iki?

Reports describe a bite that is painful, with local swelling, vomiting and a slight fever that lasts 5 to 10 days. These reports are old and unverified, so the effects are not well confirmed.1

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

The bite is reputedly painful, but there is no solid evidence of serious harm to people. Recent confirmed reports are lacking.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?

ngufi kurusha agahera kawe

Diving bell 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)

Diving bell spider hafi 0,86 km/h (0,53 mph)

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

bikwiye kumenywa

Ibintu by'ukuri

It is the only known spider that spends almost its whole life underwater, including resting, hunting, mating, laying eggs and overwintering. It surfaces only briefly to refill its air supply.1

Its diving bell is made of waterproof silk and lets gases pass through. Oxygen flows in and carbon dioxide flows out, so the bell works like a kind of gill.1

Nitrogen slowly leaves the bell, so the air bubble shrinks and the spider must keep refilling it.1

Unlike most spiders, the males are larger than the females, and they are more active hunters.1

Usenya ibinyoma

Ikinyoma: Its bite is very painful and causes vomiting and fever.

Ukuri: These effects are based on old, unverified reports. There is no solid evidence for them, and recent confirmed reports are lacking.1

Ku bahanga mu by'ubumara

Izina rya siyansi: Argyroneta aquatica
Itsinda: Ibitagangurirwa
Umuryango: Argyronetidae2
Itsinda rinini (order): Araneae
Imigabane: Uburayi, Aziya
Abana bato: After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Igihe ibaho: hafi imyaka 21
Uko imeze mu gasozi: Endangered in South Korea1
Akaga ku bantu: 2 / 5: Irababaza3

Aho ibintu bivugwa bituruka

Diving bell spider (Wikipedia (CC BY-SA 4.0))
Argyroneta aquatica (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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