No. 0704 ho 1 402

Diving bell spider

Argyroneta aquatica

Ka lebitso: 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

E utlwisa bohloko feelaE a utlwisa bohloko, empa e ke ke ya o lematsa haholo.

Dikgo

Ho lomaE ja: Nama

Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

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

E phela

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

Yuropa, Asia

Lapeng

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

Bolelele

8 mm ho isa ho 1,5 cm (0,3 in ho isa ho 0,6 in)1

Lebelo le phahameng

e ka bang 0,86 km/h (0,53 mph)

Naheng, kakanyo feela

E ja eng?

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

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

Ho e tseba jwang

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

Matla a chefo

Ho loma

Chefo e tswa ka meno a yona a chefo (fangs) kapa ka meno a mang ha e loma.

Chefo ya yona (eo e e kenyang ka ho loma kapa ho hlaba) e etsang?

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

E kotsi hakae ho batho?

Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

The bite is reputedly painful, but there is no solid evidence of serious harm to people. Recent confirmed reports are lacking.1

Haeba e loma

Hlatswa moo e lomileng teng mme o bee pakete ya leqhwa hodima teng bakeng sa bohloko. Fumana thuso ya bongaka haeba bohloko bo le matla, bo phatlalla kapa motho a ikutlwa a kula.

Kamehla letsetsa nomoro ya tshohanyetso pele (112, 000, 911). Ena ke tataiso e akaretsang ya thuso ya pele, hase keletso ya bongaka. Metheo ya thuso ya pele

Dula o bolokehile

O se ke wa ama, wa tshwara kapa wa tena phoofolo ya naheng, leha e le e nyenyane, le leha e shebahala e robetse kapa e shwele.
E fe sebaka. Ha o kopana le yona, dula o kgutsitse, kgutlela morao butle mme o e tlohele e tsamaye ka tsela ya yona.
Haeba e nngwe e o loma: dula o kgutsitse, o se ke wa sisinyeha, letsetsa nomoro ya tshohanyetso (112, 000, 911) kapa o ye sepetlele kapele. Hopola hore e ne e shebahala jwang, foto e a thusa.

Ha e o batle. E sebedisa chefo ya yona ho tshwara dijo kapa ho itshireletsa, mme e kgetha ho ipata. Ho eketsehileng ka ho dula o bolokehile

Hokae lefatsheng?

Afrika Asia Yuropa Amerika Leboya Amerika Borwa Australia le Oceania

E kgolo hakae?

E telele hakae?

e kgutshwane ho feta monwana wa hao o monyenyane

Diving bell spider e kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ka hara sebatli sa hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E potlaka hakae?

Kgudu e ka bang 0,3 km/h (0,19 mph)

Diving bell spider e ka bang 0,86 km/h (0,53 mph)

Motho ya tsamayang e ka bang 5 km/h (3,1 mph)

ho molemo ho tseba

Dintlha

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

Ho senya ditshomo

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

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

Bakeng sa ditsebi tsa chefo

Lebitso la saense: Argyroneta aquatica
Sehlopha: Dikgo
Lelapa: Argyronetidae2
Tatelano: Araneae
Dikontinente: Yuropa, Asia
Masea: After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Nako ya bophelo: e ka bang dilemo tse 21
Boemo ba yona naheng: Endangered in South Korea1
Kotsi ho batho: 2 / 5: E bohloko3

Moo dintlha di tswang teng

Diving bell spider (Wikipedia (CC BY-SA 4.0))
Argyroneta aquatica (iNaturalist): mabitso le tlhophiso.
Venom Wiki: boemo ba kotsi, boholo bo tlwaelehileng le kakanyo ya lebelo ke tsa rona. Bona kamoo re di balang ka teng: Kamoo re lekanyang kotsi ka teng.

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