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Bald-faced hornet

Dolichovespula maculata

Tentang nama: "Bald" comes from "piebald", a word for a black and white pattern, which refers to the white markings on its face.1

Sakit sahajaIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Lebah, penyengat & tebuan

SengatanMakan: Sedikit semuanya

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

The bald-faced hornet is a wasp with a striking black and white body and a white face. It builds large, hanging paper nests in trees and bushes across North America. Its workers will defend the nest by stinging repeatedly, so it is important to keep well away from its nests.1

Hidup di

North America, including Canada, the Rocky Mountains, the western coast of the US and most of the eastern US. Most common in the Southeastern US.1

Amerika Utara

Laman utama

It lives in forested areas and in vegetation in towns and cities. Nests are usually in trees and bushes, but sometimes under rock overhangs or on the sides of buildings, from 0.3 m to 20 m above the ground. People meet it when they walk too close to a nest or when a nest is built near homes.1

Panjang

1.9 cm (0.7 in)1

Kelajuan maksimum

kira-kira 26 km/j (16 mph)

Terbang, anggaran kasar

Apa yang ia makan?

Adults hunt flies, caterpillars, spiders and other insects, which they chew up and feed to the larvae. They also drink flower nectar, eat fruit such as apples, and have been known to scavenge raw meat.1

Gambar Bald-faced hornet — Bald-faced hornet. Gambar: Amy Schnebelin. CC BY 4.0, iNaturalist.

Cara mengenalinya

Black and white colouring, unlike other yellowjackets of its genus, which are mostly black and yellow1
A white or "bald" face1
Three white stripes at the end of the body1
Adults average about 19 mm long, larger than other Dolichovespula species1
A large, egg-shaped, grey paper nest that hangs from trees or bushes, up to 58 cm long1

Sering dikelirukan dengan: Other Dolichovespula wasps are mostly black and yellow. The bald-faced hornet's black and white colouring and white face set it apart. It is not one of the true hornets, which belong to the genus Vespa.1

Kuasa bisa

Sengatan

Bisa keluar melalui penyengat.

Apa kesan bisanya?

Workers can squirt venom from the stinger into the eyes of animals that intrude on the nest. The venom makes the eyes water immediately and causes temporary blindness.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

It is aggressive when defending its nest. Workers sting repeatedly, and colonies can have 400 to 700 workers. The risk is highest when people walk too close to a nest or when a nest is built near homes.1

Apa yang ia buat apabila takut?

Workers defend the nest by stinging repeatedly and can squirt venom into the eyes of intruders.1

Jika ia menyengat

Kikis keluar sengat lebah dan sejukkan tempat itu.
Jika orang itu sukar bernafas, muka atau tekak membengkak, atau rasa nak pengsan, ini kecemasan alahan: hubungi nombor kecemasan dan guna pen adrenalinanya jika dia ada.

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 menyengat 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 pendek daripada jari kelingking kamuboleh terbang merentasi seluruh padang bola sepak dalam 15 saat

Berapa besar Bald-faced hornet berbanding KAMU?

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

Berapa laju ia?

Lalat rumah kira-kira 7 km/j (4.4 mph)

Bald-faced hornet kira-kira 26 km/j (16 mph)

Orang berlari pecut kira-kira 37 km/j (23 mph)

berguna untuk diketahui

Fakta

It can spray venom from its stinger into the eyes of nest intruders, causing temporary blindness.1

Its colony can have 400 to 700 workers, the largest recorded colony size in its genus, Dolichovespula.1

Female bee moths can lay eggs in its nests, and the hatched larvae feed on the eggs, larvae and pupae inside, sometimes destroying large parts of the nest.1

Its nests are made from chewed wood fibres mixed with saliva, which dries into a papery structure.1

A colony lasts about 4 months in Washington, from mid-May to mid-September. Colonies in lower latitudes last longer.1

Pemecah mitos

Mitos: It is a true hornet.

Hakikat: It is a yellowjacket wasp. True hornets belong to the genus Vespa.1

Untuk pakar bisa

Nama saintifik: Dolichovespula maculata
Kumpulan: Lebah, penyengat & tebuan
Keluarga: Vespidae2
Susunan: Hymenoptera
Benua-benua: Amerika Utara
Anak: A single queen starts each new nest in spring, laying eggs that hatch into workers, and later lays eggs that become males and new queens.1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Dolichovespula maculata (Wikipedia (CC BY-SA 4.0))
Dolichovespula maculata (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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