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Joro spider

Trichonephila clavata

Tentang nama: Its common name comes from the jorōgumo, a legendary spider in Japanese folklore.1

Tidak berbahayaTidak berbahaya kepada manusia. Tiada apa yang perlu dirisaukan.

Labah-labah

GigitanMakan: Serangga

Bahaya kepada manusia: RinganSeperti sengatan lebah atau kurang. Boleh dikatakan tidak berbahaya kepada manusia.

The Joro spider is a large orb-weaving spider from East Asia. It has spread into parts of the eastern United States since the 2010s. It rarely bites people, and its venom is not medically significant.1

Hidup di

East Asia (China, Japan except Hokkaidō, Korea, Taiwan); spreading across parts of the eastern United States1

Asia

Laman utama

Females build large webs and lay egg sacks on trees. In North America, the spider has also been seen in cities, on streetlamps and telephone poles.1

Panjang

2.5 cm (1 in)1

Kelajuan maksimum

kira-kira 1.7 km/j (1.1 mph)

Di darat, anggaran kasar

Apa yang ia makan?

It eats mainly invasive or nuisance insects. It has been seen catching the brown marmorated stink bug, which native spiders in North America have not been known to eat.1

Gambar Joro spider — Joro spider. Gambar: Kumon. CC BY 4.0, iNaturalist.

Cara mengenalinya

Adult females have stripes of yellow and dark blue, with red toward the rear of the abdomen.1
Both sexes have a large abdomen and long legs.1
Females are much larger than males: about 1.7 to 2.5 cm, compared with about 0.7 to 1.0 cm for males.1
The web's yellow threads look gold in sunlight. The web has three layers, unusual for an orb web: a central orb, plus two irregular layers in front and behind it.1
Females' webs may reach several metres across.1

Kuasa bisa

Gigitan

Bisa keluar melalui taring atau giginya apabila ia menggigit.

Apa kesan bisanya?

Its venom is weak. A bite causes temporary pain and redness, which has been compared to a bee sting. The venom is not medically significant.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: RinganSeperti sengatan lebah atau kurang. Boleh dikatakan tidak berbahaya kepada manusia.

Its bite does not pose significant risks to humans. Its fangs are small and it is reluctant to bite, so bites are unlikely.1

Apa yang ia buat apabila takut?

It is reluctant to bite.1

Jika ia menggigit

Basuh tempat gigitan dan letakkan pek ais untuk menghilangkan sakit. Dapatkan bantuan perubatan jika sakitnya kuat, merebak atau orang itu berasa tidak sihat.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika ia menggigit kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania

Berapa besar ia?

Berapa panjang ia?

lebih kurang sepanjang klip kertasboleh melepasi 100 meter dalam 210 saat (manusia paling laju perlukan 9.6)

Berapa besar Joro spider berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Kura-kura darat kira-kira 0.3 km/j (0.19 mph)

Joro spider kira-kira 1.7 km/j (1.1 mph)

Orang berjalan kira-kira 5 km/j (3.1 mph)

berguna untuk diketahui

Fakta

Females spin webs several metres long, and their yellow threads look gold in sunlight.1

The name comes from a shape-shifting spider in Japanese folklore that can breathe fire and control other spiders.1

By October 2022, its range covered at least 120,000 km² across several US states.1

In the Ao-Naga people's food tradition, this spider is eaten.1

The spider was first spotted in North America in Hoschton, Georgia, in 2013, and its presence was confirmed in 2014.1

Smaller males are sometimes seen in the females' webs during autumn, when they mate.1

Untuk pakar bisa

Nama saintifik: Trichonephila clavata
Kumpulan: Labah-labah
Keluarga: Nephilidae2
Susunan: Araneae
Benua-benua: Asia
Anak: Eggs overwinter, and young emerge in spring. After mating, the female lays 400 to 1,500 eggs in one egg sack on a tree.1
Bahaya kepada manusia: 1 / 5: Ringan3

Dari mana fakta datang

Trichonephila clavata (Wikipedia (CC BY-SA 4.0))
Trichonephila clavata (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

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