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Setshwantsho sa khathune sa Western black widow
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Western black widow

Latrodectus hesperus
E hloka ngakaHa e atise ho bolaya, empa ho longwa ho hloka ngaka.
Dikgo Ho lomaE ja: Nama
Kotsi ho batho: E tebilengHo longwa ho hloka ngaka. Lefu le etsahala ka seoelo haholo.

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

E phela
Western North America: south-western Canada (British Columbia to Manitoba), the Pacific Coast, Texas, Oklahoma, Kansas, and Mexico1
Amerika Leboya
Lapeng
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
Bolelele
1,4 cm ho isa ho 1,6 cm (0,6 in ho isa ho 0,6 in)1
Lebelo le phahameng
e ka bang 0,98 km/h (0,61 mph)
Naheng, kakanyo feela
E ja eng?
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
Ka nnete!Foto ya Western black widow
Western black widow. Foto: Luke Padon. CC BY 4.0, iNaturalist.

Ho e tseba jwang

  • 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

Hangata e ferekanngwa le: It was once described as a subspecies of Latrodectus mactans and is closely related to the northern species Latrodectus variolus.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?

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

E kotsi hakae ho batho?

Kotsi ho batho: E tebilengHo longwa ho hloka ngaka. Lefu le etsahala ka seoelo haholo.

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

E etsang ha e tshohile?

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

AfrikaAsiaYuropaAmerika LeboyaAmerika BorwaAustralia le Oceania

E kgolo hakae?

E telele hakae?

Western black widow bolelele ba e ka bang 1,6 cm (0,6 in)Thollo ya raese e ka bang 7 mm (0,3 in)Tjhelete ya tshepe ya euro e le nngwe e ka bang 2,3 cm (0,9 in)
e kgutshwane ho feta monwana wa hao o monyenyane

Western black widow 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?

ho molemo ho tseba

Dintlha

1

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

2

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

3

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

4

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

5

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

Ho senya ditshomo

Tshomo: A black widow bite is usually deadly.

Nnete: 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

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Latrodectus hesperus
Sehlopha
Dikgo
Lelapa
Theridiidae2
Tatelano
Araneae
Dikontinente
Amerika Leboya
Masea
Females produce egg sacs, and the young are born in the months from May to October.1
Kotsi ho batho
3 / 5: E tebileng3

Moo dintlha di tswang teng

  1. Latrodectus hesperus (Wikipedia (CC BY-SA 4.0))
  2. Latrodectus hesperus (iNaturalist): mabitso le tlhophiso.
  3. 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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Tse ding tsa sehlopha se le seng: Dikgo

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E boetse e phela: Amerika Leboya

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Fepa phephengnkgo ya ditjhelete tsa teboho, e e boloka e le mahala