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Risba: Diving bell spider
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Diving bell spider

Argyroneta aquatica
O imenu: 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
Samo boliBoli, a te ne bo resno poškodovala.
Pajki UgriziJe: Meso
Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

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

Živi v
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
Evropa, Azija
Domov
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
Dolžina
8 mm do 1,5 cm (0,3 in do 0,6 in)1
Največja hitrost
približno 0,86 km/h (0,53 mph)
Na kopnem, groba ocena
Kaj je?
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
Zares!Fotografija: Diving bell spider
Diving bell spider. Fotografija: Baupi. CC BY-SA 4.0, iNaturalist.

Kako jo prepoznaš

  • 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

Moč strupa

Ugrizi

Strup pride ven skozi strupnike ali zobe, ko ugrizne.

Kaj naredi njen strup, ko ugrizne ali piči?

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

Kako nevarna je za ljudi?

Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

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

Če ugrizne

  • Ugriz umij in nanj daj ledeni obkladek proti bolečini. Poišči zdravniško pomoč, če je bolečina močna, se širi ali se poškodovanec slabo počuti.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

  • Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
  • Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
  • Če te ugrizne: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kje na svetu?

AfrikaAzijaEvropaSeverna AmerikaJužna AmerikaAvstralija in Oceanija

Kako velika je?

Kako dolga je?

Diving bell spider približno 1,5 cm dolga (0,6 in)Riževo zrno približno 7 mm (0,3 in)Kovanec za 1 evro približno 2,3 cm (0,9 in)
krajša od tvojega mezinca

Kakšne velikosti je Diving bell spider v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

vredno vedeti

Dejstva

1

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

2

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

3

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

4

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

Razbijalec mitov

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

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

Za strokovnjake za strupe

Znanstveno ime
Argyroneta aquatica
Skupina
Pajki
Družina
Argyronetidae2
Red
Araneae
Celine
Evropa, Azija
Mladiči
After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Življenjska doba
približno 2 let1
Kako ji gre v naravi
Endangered in South Korea1
Nevarnost za ljudi
2 / 5: Boleče3

Od kod so dejstva

  1. Diving bell spider (Wikipedia (CC BY-SA 4.0))
  2. Argyroneta aquatica (iNaturalist): imena in razvrstitev.
  3. Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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