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Elilingi ya dessin ya Southern black widow
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Southern black widow

Latrodectus mactans
Esengeli mongangaEbomaka mbala moke, kasi soki esui yo, kende epai ya monganga.
Ba tandambula KosuaElyaka: Mosuni
Likama mpo na bato: Ya makasiSoki esui yo, kende epai ya monganga. Kokufa ezalaka mpenza mbala moke.

The southern black widow is a venomous spider that lives in North America. Mature females are shiny black with a red hourglass mark on their underside. Its bite can cause pain and other symptoms, but it is rarely fatal to healthy people.1

Ezalaka na
Native to North America, mainly the southeastern United States. Also found in Mexico and the Dominican Republic, and established in Hawaii (USA).1
Amerika ya Nord
Ebandeli
It builds tangled, three-dimensional cobwebs and waits in a retreat near them. One way it has reached Hawaii is through imported produce.1
Molai
8 mm kino 1,3 cm (0,3 in kino 0,5 in)1
Mbangu ya likolo
pene na 0,98 km/h (0,61 mph)
Na mabele, kokanisa ya pene
Elyaka nini?
It eats a variety of insects, and also woodlice, millipedes, centipedes and other spiders. When prey is caught in its web, it rushes out, wraps the prey tightly in silk, and bites it. It then releases digestive enzymes into the wound and carries the prey back to its retreat to feed.1
Solo solo!Foto ya Southern black widow
Southern black widow. Foto: unknown. CC BY 2.0, Wikimedia Commons.

Ndenge ya koyeba yango

  • Mature females are shiny black, with a red hourglass-shaped mark on the underside of a very rounded abdomen.1
  • Many females have an orange or red patch on the top of the abdomen, just above the spinnerets.1
  • Mature females have a body length of 8–13 mm, not counting the legs. Males are 3–6 mm.1
  • Juveniles look very different. They have a grey to black abdomen with white stripes across it, spotted with yellow and orange.1
  • Males are either purple, or look more like the juveniles.1

Bakosanaka yango mbala mingi na: It is often confused with the false widows (genus Steatoda) and with the closely related northern (L. variolus) and western (L. hesperus) black widows.1

Makasi ya venin

Kosua

Venin ebimaka na nzela ya mino na yango ntango esui.

Venin na yango esalaka nini?

The venom contains alpha-latrotoxin, a neurotoxic venom that attacks the nerves. It causes pain and other symptoms, which are collectively called latrodectism.1

Likama na yango mpo na bato ezali boni?

Likama mpo na bato: Ya makasiSoki esui yo, kende epai ya monganga. Kokufa ezalaka mpenza mbala moke.

Deaths in healthy adults are exceedingly rare. No deaths were reported among 23,409 documented Latrodectus bites in the US from 2000 to 2008, though about 2,000 bites happen each year. Only mature females can bite people.1

Nsango malamu: ba monganga bazali na nkisi (antivenin) to bosalisi mpo na yango.1

Soki esui

  • Sukola esika esui mpe tia sachet ya glace likolo na yango mpo na pasi. Luka lisalisi ya monganga soki pasi ezali makasi, ezali kopalangana to moto ayoki nzoto malamu te.

Benga ntango nyonso nimero ya urgence liboso (112, 000, 911). Oyo ezali toli ya lisalisi ya liboso, ezali toli ya monganga te. Makambo ya moboko ya lisalisi ya liboso

Zala na libateli

  • Ata mokolo moko te, simba, kanga to silikisa nyama ya zamba te, ata ya moke, mpe ata soki emonani lokola elali to ekufi.
  • Tika yango esika. Soki okutani na moko, zala kimia, zonga sima malembe mpe tika ekende nzela na yango.
  • Soki moko esui yo: zala kimia, ningana te, benga nimero ya urgence na yo (112, 000, 911) to kende na lopitalo noki. Kanisa ndenge ezalaki, foto esalisaka.

Ezali koluka yo te. Esalelaka venin na yango mpo na kokanga bilei to komibatela, mpe elingaka mingi kobombama. Makambo mosusu mpo na komibatela

Wapi na mokili?

AfrikaAziaErópaAmerika ya NordAmerika ya SudeAustralia & Océanie

Monene na yango boni?

Molai na yango boni?

Southern black widow molai pene na 1,3 cm (0,5 in)Mbuma moko ya loso pene na 7 mm (0,3 in)Pièce ya euro 1 pene na 2,3 cm (0,9 in)
moke boye ete ekoki kofanda likolo ya ongle ya mosapi na yo

Southern black widow azali monene boni soki tokokanisi na YO?

Kaka ba calcul na navigateur na yo. Eloko moko te ebombamaka to etindamaka esika moko.

Mbangu na yango boni?

malamu koyeba

Makambo ya solo

1

In 1933, Allan Blair let himself be bitten by one of these spiders to study its venom in humans and to convince sceptics that it could be dangerous.1

2

Females will occasionally eat their mates after reproduction.1

3

Only mature females can bite people. Their hollow, needle-like mouthparts are about 1 mm long, which is long enough to inject venom into people.1

4

The brown widow (Latrodectus geometricus) competes with black widows for territory. In areas where they share space, it can displace them.1

5

Males live only about three to four months, while females can live for up to three years.1

Solo to lokuta?

Lokuta: A black widow bite is usually fatal.

Solo: Black widow bites are rarely fatal to healthy people. No deaths from the US species were reported among 23,409 documented bites from 2000 to 2008.1

Mpo na ba expert ya venin

Kombo ya siansi
Latrodectus mactans
Ebota
Ba tandambula
Libota
Theridiidae2
Molongo
Araneae
Bakontina
Amerika ya Nord
Bana
A female can produce four to nine egg sacs in one summer, each holding about 100–400 eggs, which she guards in a silken container.1
Molai ya bomoi
pene na mibu 31
Likama mpo na bato
3 / 5: Ya makasi3

Esika makambo euti

  1. Latrodectus mactans (Wikipedia (CC BY-SA 4.0))
  2. Latrodectus mactans (iNaturalist): bankombo mpe classification.
  3. Venom Wiki: niveau ya likama, monene ya momesano mpe kokanisa ya mbangu ezali ya biso moko. Tala ndenge tolukaka yango: Ndenge tomekaka likama.

Likambo nyonso na lokasa oyo ezali na nimero oyo elakisi source na yango. Soki tosali libunga, limbisa biso, tozali bato oyo balingaka banyama, zulunale ya siansi te. Yebisa biso na [email protected] mpe tokobongisa yango.

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Mosusu ya ebota moko: Ba tandambula

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Pesa scorpion bileimbongo ya kosalisa, ebatelaka yango ya ofele