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Marrazkia: Eastern yellowjacket
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Eastern yellowjacket

Vespula maculifrons
Izenari buruz: The scientific name maculifrons comes from Latin words meaning spot (macula) and forehead (frons), for the spots on its head.1
Min ematen du, besterik ezMin ematen du, baina ez dizu kalte larririk egingo.
Erleak, liztorrak eta erlastarrak ZiztadakJaten du: Denetarik pixka bat
Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

The eastern yellowjacket is a black and yellow wasp that lives in eastern North America. It builds paper nests, many of them underground, and lives in large family groups called colonies. People often meet it around recreational areas and buildings, and it can give a painful sting if its nest is threatened.1

Non bizi den
Eastern North America, extending west as far as the Great Plains1
Ipar Amerika
Hasiera
Most nests are underground and not deep, usually covered by less than 50 mm of soil. Nests are also found in hardwood forests, on creek banks, in urban and suburban areas, and in sheltered places such as tree stumps and attics. Because nests are so often found in recreational and residential areas, it is considered a pest.1
Luzera
1,3 cm eta 1,6 cm artean (0,5 in eta 0,6 in artean)1
Pisua
40 mg (0 oz)1
Abiadura handiena
23 km/h inguru (14 mph)
Hegan, kalkulu gutxi gorabeherakoa
Zer jaten du?
It is a polyphagous species, meaning it feeds on a variety of foods. Foraging workers can learn smells, which helps them find food.1
Benetan!Argazkia: Eastern yellowjacket
Eastern yellowjacket. Argazkia: Judy Gallagher. CC BY-SA 4.0, iNaturalist.

Nola ezagutu

  • Black and yellow lines on the head, thorax and abdomen1
  • Length of about 12.7 to 15.9 mm1
  • Spots on the head, which give the species its scientific name1
  • Queens have one flared black line nearest the thorax, followed by thinner black lines, with two black dots between each line1

Askotan honekin nahasten da: It can be told apart from other wasp species by its smaller size and its abdominal pattern. Other yellowjacket species are also black and yellow, and in most areas where it lives, this is the most common yellowjacket species.1

Pozoi-ahalmena

Ziztadak

Pozoia ezten batetik ateratzen da.

Zer egiten du bere pozoiak?

Its sting is painful. Wasps, bees, ants and sawflies (the order Hymenoptera) are the leading cause of anaphylaxis in humans, a severe allergic reaction. These reactions are usually triggered by proteins in the venom. Peptides called vespulakinins were first found in this species and are insecticidal, meaning they kill insects.1

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

It is known to inflict painful stings and defends its nest aggressively. Its nests are often treated as a pest because they are found so often in recreational and residential areas.1

Zer egiten du beldurtzen denean?

When threatened, workers release an alarm pheromone that calls others to attack. Wasps near the nest entrance circle in a zigzag pattern and fly straight at the target.1

Ziztatzen badu

  • Atera erlearen eztena karrakatuz eta hoztu lekua.
  • Pertsonak arnasa hartzeko zailtasunak baditu, aurpegia edo eztarria hanpatuta baditu, edo zorabiatzen ari dela sentitzen badu, larrialdi alergikoa da: deitu zure larrialdi-zenbakira eta erabili bere adrenalina-autoinjektagailua, baldin badu.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

  • Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
  • Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
  • Batek ziztatzen bazaitu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.

Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago

Munduko zein tokitan?

AfrikaAsiaEuropaIpar AmerikaHego AmerikaAustralia eta Ozeania

Zein handia da?

Zein luzea da?

Eastern yellowjacket 1,6 cm inguru luze (0,6 in)Arroz-ale bat 7 mm inguru (0,3 in)Euro bateko txanpon bat 2,3 cm inguru (0,9 in)

Zein astuna da?

klip bat baino arinagoa
zure hatz txikia baino laburragoahain arina, ez zenuke eskuan sentitukofutbol-zelai oso bat hegan zeharka lezake 16 segundotan

Zein handia da Eastern yellowjacket ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

jakin beharrekoa

Datuak

1

A large nest can have 10,000 to 15,000 cells, and about a third of them are queen cells.1

2

The nest envelope is made from chewed, decaying wood mixed with saliva, which makes it fragile.1

3

The species is a host for a social parasite, Vespula squamosa, which can take over its nests.1

4

Males gather in groups around prominent trees and bushes, where they patrol and wait for queens.1

5

Queens can mate with several males, and both queens and males can mate more than once.1

Pozoi-adituentzat

Izen zientifikoa
Vespula maculifrons
Taldea
Erleak, liztorrak eta erlastarrak
Familia
Vespidae2
Ordena
Hymenoptera
Kontinenteak
Ipar Amerika
Kumeak
A queen founds a new colony in spring by laying eggs in the first cells. The eggs hatch into workers, which then build and enlarge the nest.1
Arriskua pertsonentzat
2 / 5: Mingarria3

Datuak nondik datozen

  1. Eastern yellowjacket (Wikipedia (CC BY-SA 4.0))
  2. Vespula maculifrons (iNaturalist): izenak eta sailkapena.
  3. Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

Orrialde honetako datu bakoitzak zenbaki bat du, bere iturrira eramaten zaituena. Zerbait gaizki badugu, barkatu, animalien zaleak gara, ez zientzia-aldizkari bat. Esaiguzu [email protected] helbidean eta konponduko dugu.

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