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Triangulate cobweb spider

Steatoda triangulosa

Kuhusu jina: Its common name comes from the triangle-shaped pattern on the top of its abdomen.1

Hana madharaHana madhara kwa watu. Hakuna cha kuhofia.

Buibui

KuumwaHula: Nyama

Hatari kwa watu: HafifuKama kudungwa na nyuki au chini ya hapo. Kimsingi hana madhara kwa watu.

The triangulate cobweb spider is a small, common house spider with a triangle-shaped pattern on its abdomen. It builds messy sticky webs in dark corners of buildings and is found across much of the world. It is a helpful spider that catches many insects and other spiders.1

Anaishi

Native to Eurasia. Introduced to North America, Argentina, the Canary Islands and South Africa.1

Ulaya, Asia

Nyumbani

This spider is mainly a house spider. It builds webs in dark corners of buildings and other man-made structures. It is also found in dark places outdoors, often close to the ground and under stones.1

Urefu

6 mm (0.2 in)1

Kasi ya juu

takriban km 0.74 kwa saa (maili 0.46 kwa saa)

Nchi kavu, makadirio

Hula nini?

It preys on many arthropods, including ants (such as fire ants), other spiders, pillbugs and ticks. It also catches some spiders that are believed to be harmful to humans, including the brown recluse. It catches whatever comes into its web and builds the web to suit the size of its prey.1

Picha ya Triangulate cobweb spider — Triangulate cobweb spider. Picha: Patrick Hacker. CC BY 4.0, iNaturalist.

Jinsi ya kumtambua

Adult females are 3 to 6 mm long.1
The cephalothorax (front body section) is brownish-orange.1
The legs are spindly and yellowish, with tiny hairs.1
The round, bulbous abdomen is creamy, with parallel purply-brown zigzag lines running front to back.1
The abdomen pattern includes a triangle shape on its top side.1

Nguvu ya sumu

Kuumwa

Sumu hutoka kupitia meno yake ya sumu au meno anapouma.

Ana hatari gani kwa watu?

Hatari kwa watu: HafifuKama kudungwa na nyuki au chini ya hapo. Kimsingi hana madhara kwa watu.

It is not very defensive towards humans. There is one known case of human envenomation.1

Akiuma

Osha jeraha na uweke barafu kupunguza maumivu. Tafuta msaada wa kitabibu kama maumivu ni makali, yanasambaa au mtu anajisikia vibaya.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Akikuuma: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania

Ana ukubwa gani?

Ana urefu gani?

mdogo kiasi cha kukaa juu ya ukucha wako

Triangulate cobweb spider ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Kobe takriban km 0.3 kwa saa (0.19 mph)

Triangulate cobweb spider takriban km 0.74 kwa saa (0.46 mph)

Mtu anayetembea takriban km 5 kwa saa (3.1 mph)

inafaa kujua

Ukweli

Below or inside its web, there can be many dead insects, from stink bugs to other spiders and even wasps.1

Among the Steatoda spiders, it is one of the most voracious and prey-driven, even though it is one of the smaller species.1

Because of its limited eyesight, it relies mostly on vibrations travelling through its web to find prey and to sense larger animals that could harm it.1

Its egg sac is loosely woven silk and is about the same size as the spider itself.1

It spends hours each day building its web and eats during only part of its day.1

Kwa wataalamu wa sumu

Jina la kisayansi: Steatoda triangulosa
Kundi: Buibui
Familia: Theridiidae2
Mpangilio: Araneae
Mabara: Ulaya, Asia
Watoto: Each egg sac is about the same size as the spider and holds approximately 30 eggs. Reproduction without males (parthenogenesis) is suspected but not proven.1
Hali yake porini: Least Concern1
Hatari kwa watu: 1 / 5: Hafifu3

Ukweli unatoka wapi

Triangulate cobweb spider (Wikipedia (CC BY-SA 4.0))
Steatoda triangulosa (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

Kila ukweli kwenye ukurasa huu una namba inayoonyesha chanzo chake. Kama tumekosea kitu, samahani, sisi ni wapenzi wa wanyama, si jarida la kisayansi. Tuambie kupitia [email protected] nasi tutarekebisha.

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