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Western black widow

Latrodectus hesperus

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 western black widow is a venomous spider that lives in western North America. The female is black, often with a red hourglass mark on her belly, and her webs are tangled and irregular. Her venom is strong, so it is worth knowing what she looks like.1

Ezalaka na

Western North America: south-western Canada (British Columbia to Manitoba), the Pacific Coast, Texas, Oklahoma, Kansas, and Mexico1

Amerika ya Nord

Ebandeli

It builds tangled webs low above the ground. It is commonly found near the Canada-US border and less commonly across the grasslands of the Canadian Prairies.1

Molai

1,4 cm kino 1,6 cm (0,6 in kino 0,6 in)1

Mbangu ya likolo

pene na 0,98 km/h (0,61 mph)

Na mabele, kokanisa ya pene

Elyaka nini?

It hangs upside down near the centre of its web and waits for insects to land in it. It bites the prey, injects venom, and wraps it in silk. Beetles and ants, wasps and bumblebees make up most of its prey.1

Foto ya Western black widow — Western black widow. Foto: Luke Padon. CC BY 4.0, iNaturalist.

Ndenge ya koyeba yango

The female is about 14–16 mm long and black, often with an hourglass-shaped mark on the lower abdomen.1
The hourglass mark is usually red, but it can be yellow and, very rarely, white.1
The male is about half the female's length and is generally beige, with lighter striping on the abdomen.1
Its webs are irregular or tangled, with no obvious overall pattern.1

Bakosanaka yango mbala mingi na: It was once described as a subspecies of Latrodectus mactans and is closely related to the northern species Latrodectus variolus.1

Makasi ya venin

Kosua

Venin ebimaka na nzela ya mino na yango ntango esui.

Venin na yango esalaka nini?

The female's venom contains a neurotoxin called α-latrotoxin, which attacks the nerves. In humans, its symptoms include pain, nausea, vomiting, goosebumps and localised sweating.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.

Historical reports gave fatality rates between 0.5% and 12%. However, recent studies have not been able to confirm any deaths from the U.S. species of Latrodectus, including zero deaths among 23,409 documented bites from 2000 through 2008.1

Esalaka nini ntango ebangi?

Juveniles and females can fling a sticky ball of silk at predators, which can stop most of them.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?

Afrika Azia Erópa Amerika ya Nord Amerika ya Sude Australia & Océanie

Monene na yango boni?

Molai na yango boni?

mokuse koleka mosapi na yo ya moke

Western 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?

Koba pene na 0,3 km/h (0,19 mph)

Western black widow pene na 0,98 km/h (0,61 mph)

Moto oyo azali kotambola pene na 5 km/h (3,1 mph)

malamu koyeba

Makambo ya solo

When prey hits a gumfoot thread, the thread breaks and creates tension that pulls the line and prey up to the spider.1

This spider is an opportunistic cannibal, and it may eat other members of its own kind when prey is scarce, when it is very hungry, or in self-defence.1

The silk is strongly sticky, and its strength is similar to that of silk from orb-weaving spiders.1

Males can be preferred by females based on the webs, with well-fed females chosen over starved ones.1

Males may mate several times during their relatively short lives.1

Solo to lokuta?

Lokuta: A black widow bite is usually deadly.

Solo: Recent studies have not confirmed any deaths from the U.S. species of Latrodectus, including zero deaths among 23,409 documented bites from 2000 through 2008.1

Mpo na ba expert ya venin

Kombo ya siansi: Latrodectus hesperus
Ebota: Ba tandambula
Libota: Theridiidae2
Molongo: Araneae
Bakontina: Amerika ya Nord
Bana: Females produce egg sacs, and the young are born in the months from May to October.1
Likama mpo na bato: 3 / 5: Ya makasi3

Esika makambo euti

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

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