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Brown widow

Latrodectus geometricus

Tungkol sa pangalan: The name comes from the geometric pattern on the top of its abdomen (its rear body section).1

Masakit langMasakit, pero hindi ka nito lubhang mapipinsala.

Mga gagamba

Mga kagat

Panganib sa tao: MasakitTalagang masakit, pero halos hindi kailanman malala.

The brown widow is a spider in the widow family, a close cousin of the black widow. It lives in many parts of the world, often around houses and buildings. Its bite is painful but usually not dangerous.1

Nakatira sa

Originally Africa; now found across the Americas, Asia, Australia, Papua New Guinea, Hawaii, Poland and the Middle East1

Aprika

Home

It builds untidy three-dimensional webs in dark corners, in vegetation and around buildings. It is commonly found around houses, and in tropical areas it is usually found around buildings. It also lives in crops such as avocado, citrus, cotton, maize, vineyards and pistachio.1

Haba

3.5 cm (1.4 in)3

karaniwang laki ng adult

Pinakamataas na bilis

mga 0.92 km/h (0.57 mph)

Sa lupa, tantiya lang

Litrato ng Brown widow — Brown widow. Litrato: Jesse Rorabaugh. CC BY 4.0, iNaturalist.

Paano ito makikilala

Black and white geometric pattern on the top of the abdomen1
Usually a bright orange or yellowish hourglass marking on the underside of the abdomen1
Body colour ranges from tan and dark brown to black, with shades of grey also possible1
Stripes on the legs1
Egg sacs are spiky, like a sandspur, and sometimes described as tufted, fluffy or spiky1

Madalas mapagkamalang: The black widow is slightly larger and darker, and has a red hourglass on the underside. The brown widow is lighter, has an orange or yellow hourglass, and has a black and white pattern on top of the abdomen that the black widow does not have. In southern Africa, the brown widow's relative L. rhodesiensis, native to Zimbabwe, is also called a brown button spider.1

Lakas ng kamandag

Mga kagat

Lumalabas ang kamandag sa pangil o ngipin nito kapag nangangagat ito.

Ano ang epekto ng kamandag nito?

Like all widow spiders, the brown widow has a neurotoxic venom, which attacks the nerves. It causes latrodectism, a set of very unpleasant symptoms. The effects are usually confined to the bite area and the tissue around it.1

Gaano ito kapanganib sa tao?

Panganib sa tao: MasakitTalagang masakit, pero halos hindi kailanman malala.

Brown widow bites are usually not very dangerous, and are much less dangerous than black widow bites. The spider cannot deliver as much venom as a black widow, so its bites are considered minor. They are painful.1

Kung kumagat ito

Hugasan ang kagat at lagyan ng ice pack para sa sakit. Kumuha ng tulong medikal kung matindi ang sakit, kumakalat, o masama ang pakiramdam ng tao.

Laging tawagan muna ang numero pang-emergency (112, 000, 911). Ito ay pangkalahatang gabay sa pangunang lunas, hindi payong medikal. Mga batayan ng pangunang lunas

Mag-ingat

Huwag kailanman hawakan, hulihin o asarin ang ligaw na hayop, kahit maliit, at kahit mukha itong tulog o patay.
Bigyan ito ng espasyo. Kung makasalubong ka ng isa, manatiling kalmado, dahan-dahang umatras at hayaan itong umalis.
Kung kagatin ka ng isa: manatiling kalmado, huwag gumalaw, tawagan ang numero pang-emergency (112, 000, 911) o pumunta agad sa ospital. Tandaan ang itsura nito, makakatulong ang litrato.

Hindi ka nito hinahabol. Ginagamit nito ang kamandag para manghuli ng pagkain o ipagtanggol ang sarili, at mas gusto pa nitong magtago. Higit pa tungkol sa pag-iingat

Saan sa mundo?

Aprika Asya Europa Hilagang Amerika Timog Amerika Australia at Oceania

Gaano ito kalaki?

Gaano ito kahaba?

halos kasinghaba ng paper clip

Gaano kalaki si Brown widow kumpara sa IYO?

Math lang sa browser mo. Walang sine-save o ipinapadala kahit saan.

Gaano ito kabilis?

Isang pagong mga 0.3 km/h (0.19 mph)

Brown widow mga 0.92 km/h (0.57 mph)

Isang taong naglalakad mga 5 km/h (3.1 mph)

magandang malaman

Mga fact

In Southern California, researchers suggest the brown widow may be pushing black widows out of the area by competing and fighting for territory.1

Its egg sacs are so spiky that they are easy to tell apart from those of most other spiders.1

A female can make up to 20 egg sacs over her lifetime, with 120 to 150 eggs in each.1

Brown widows are preyed upon by wasps, including blue mud-dauber wasps and digger wasps.1

Myth buster

Mito: The brown widow is as dangerous as the black widow.

Totoo: Brown widow bites are usually not very dangerous and are much less dangerous than black widow bites.1

Para sa mga eksperto sa kamandag

Pangalang siyentipiko: Latrodectus geometricus
Grupo: Mga gagamba
Pamilya: Theridiidae2
Ayos: Araneae
Mga kontinente: Aprika
Mga sanggol: Eggs hatch in about 20 days. Each female lays about 120 to 150 eggs per sac and can make up to 20 sacs in her lifetime.1
Kalagayan nito sa ligaw: Least Concern (South African National Biodiversity Institute)1
Panganib sa tao: 2 / 5: Masakit3

Saan galing ang mga fact

Latrodectus geometricus (Wikipedia (CC BY-SA 4.0))
Latrodectus geometricus (iNaturalist): mga pangalan at klasipikasyon.
Venom Wiki: sarili naming tantiya ang antas ng panganib, karaniwang laki at hula sa bilis. Tingnan kung paano namin ito kinukuwenta: Paano namin sinusukat ang panganib.

Bawat fact sa pahinang ito ay may numerong tumuturo sa pinagmulan nito. Kung may mali kami, pasensya na, mahilig lang kami sa hayop, hindi kami science journal. Sabihin sa amin sa [email protected] at aayusin namin.

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