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European hornet

Vespa crabro
Gør bare ondtDet gør ondt, men det skader dig ikke alvorligt.
Bier, hvepse & gedehamse StikSpiser: Kød
Fare for mennesker: SmertefuldDet kan gøre rigtig ondt, men det er næsten aldrig alvorligt.

The European hornet is the largest wasp that lives in Europe. It is a true hornet, and it is the only one of its kind found in North America, where it was introduced from Europe. It is best known for its large paper nests and its striking reddish wings and striped abdomen.1

Lever i
Eurasia, from Japan to the United Kingdom; introduced to North America and found as far south as Guatemala1
Europa, Asien
Forside
It prefers to nest in dark places, usually hollow tree trunks, and its paper nests are often hidden by a surrounding envelope. In autumn, it can be found hovering around garbage cans and picnic areas.1
Længde
2,5 cm til 3,5 cm (1 in til 1,4 in)1
Vægt
420 mg til 540 mg (0 oz til 0 oz)1
Tophastighed
cirka 33 km/t (21 mph)
Flyvende, groft gæt
Hvad spiser det?
It is largely carnivorous and hunts large insects such as beetles, wasps, large moths, dragonflies and mantises. It also feeds on fallen fruit and other sugary food.1
Helt ærligt!Foto af European hornet
European hornet. Foto: katunchik. CC BY 4.0, iNaturalist.

Sådan genkender du det

  • Eyes deeply indented and shaped like a "C"1
  • Reddish-orange wings1
  • Abdomen striped with brown and yellow1
  • Workers average about 2.5 cm long; queens can reach about 3.5 cm1
  • Has hair on the thorax and abdomen, but is not as hairy as most bees1

Forveksles ofte med: It is often mistaken for the Asian giant hornet because of its colours and abdomen pattern. The European hornet is significantly smaller than the Asian giant hornet, and it is larger than most common wasps, such as Vespula vulgaris.1

Giftkraft

Stik

Giften kommer ud gennem en brod.

Hvad gør dets gift, når det bider eller stikker?

Its venom contains neurotransmitters such as dopamine, serotonin, histamine and noradrenaline, along with enzymes, proteins such as melittin and bradykinin, and a neurotoxin called apamin, which attacks the nerves. In one documented case, a person developed tingling at the sting, headaches and shortness of breath, along with a fast, irregular heartbeat.1

Hvor farligt er det for mennesker?

Fare for mennesker: SmertefuldDet kan gøre rigtig ondt, men det er næsten aldrig alvorligt.

Most stings do not need medical attention, but in rare cases they can be serious. In one documented case the victim needed hospital treatment, though that person may have been unusually sensitive to hornet and wasp stings.1

Hvad gør det, når det er bange?

It stings when it is stepped on or grabbed and is defensive of its nest, and it may sting without warning when near its nest or food. When alarmed, it performs a dance outside the nest with loud buzzing, darting in and out, and attacking or approaching the target.1

Hvis det stikker

  • Most stings do not require medical attention. In rare serious cases, hospital treatment is needed; in one documented case, electrical cardioversion or the drug propafenone were effective treatments for the heart reactions.1
  • Skrab en bi-brod ud, og køl stedet.
  • Hvis personen har svært ved at trække vejret, hævelse i ansigtet eller halsen eller er ved at besvime, er det en allergisk nødsituation: Ring til dit alarmnummer, og brug personens adrenalinpen (autoinjektor), hvis vedkommende har en.

Ring altid først til dit alarmnummer (112, 000, 911). Dette er generel førstehjælpsvejledning, ikke lægelig rådgivning. Grundlæggende førstehjælp

Pas på dig selv

  • Rør aldrig ved, fang eller dril et vildt dyr, heller ikke et lille et, og heller ikke hvis det ser ud til at sove eller være dødt.
  • Giv det plads. Hvis du møder et, så bliv rolig, træd langsomt tilbage, og lad det gå sin egen vej.
  • Hvis et stikker dig: Bevar roen, hold dig i ro, ring til dit alarmnummer (112, 000, 911), eller kom hurtigt på hospitalet. Husk, hvordan det så ud, et billede hjælper.

Det er ikke ude efter dig. Det bruger sin gift til at fange føde eller beskytte sig selv, og det gemmer sig meget hellere. Mere om sikkerhed

Hvor stort er det?

Hvor langt er det?

European hornet cirka 3,5 cm lang (1,4 in)En papirclips cirka 3 cm (1,2 in)En smartphone cirka 15 cm (5,9 in)

Hvor tungt er det?

lettere end en papirclips
cirka lige så lang som en papirclipsså let, at du ikke ville kunne mærke det på din håndkunne flyve hen over en hel fodboldbane på 11 sekunder

Hvor stor er European hornet i forhold til DIG?

Bare matematik i din browser. Intet bliver gemt eller sendt nogen steder hen.

Hvor hurtigt er det?

værd at vide

Fakta

1

It is known to steal prey from spiders. This was first documented in 2011, when one took a wrapped insect from a yellow garden spider's web.1

2

It is the largest eusocial wasp native to Europe.1

3

Only females have a stinger, because it is a modified egg-laying device. Males cannot sting.1

4

In Germany, killing a European hornet or destroying its nest has been illegal since 1 January 1987, with a fine of up to €50,000, though fines are rarely imposed.1

5

It is the only true hornet found in North America, where it was introduced from Europe as early as 1840.1

Myteknuser

Myte: European hornets are aggressive and will attack people for no reason.

Sandhed: It generally avoids conflict. It stings mainly when it is stepped on or grabbed, or when its nest or food is threatened.1

For gifteksperter

Videnskabeligt navn
Vespa crabro
Gruppe
Bier, hvepse & gedehamse
Familie
Vespidae2
Orden
Hymenoptera
Kontinenter
Europa, Asien
Unger
The queen lays eggs in the combs inside the nest. In laboratory data, egg-laying averaged 2.31 eggs per day.1
Hvordan det klarer sig i naturen
Locally threatened or endangered in some areas1
Fare for mennesker
2 / 5: Smertefuld3

Hvor fakta kommer fra

  1. European hornet (Wikipedia (CC BY-SA 4.0))
  2. Vespa crabro (iNaturalist): navne og klassifikation.
  3. Venom Wiki: fareniveauet, den typiske størrelse og hastighedsgættet er vores egne. Se, hvordan vi regner dem ud: Sådan vurderer vi faren.

Hvert faktum på denne side har et nummer, der peger på kilden. Hvis vi har taget fejl, så undskyld, vi er dyrefans, ikke et videnskabeligt tidsskrift. Skriv til os på [email protected], så retter vi det.

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