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Eastern yellowjacket

Vespula maculifrons
Davart il num: The scientific name maculifrons comes from Latin words meaning spot (macula) and forehead (frons), for the spots on its head.1
Fa mo malQuai fa mal, ma i na ta fa nagin donn serius.
Avieuls, vespras e calabruns PiztgadasMangia: In pau da tut
Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Viva en
Eastern North America, extending west as far as the Great Plains1
America dal Nord
Pagina iniziala
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
Lunghezza
1,3 cm fin 1,6 cm (0,5 in fin 0,6 in)1
Paisa
40 mg (0 oz)1
Sveltezza maximala
circa 23 km/h (14 mph)
Sgular, stima approximativa
Tge mangia el?
It is a polyphagous species, meaning it feeds on a variety of foods. Foraging workers can learn smells, which helps them find food.1
Propi!Foto da Eastern yellowjacket
Eastern yellowjacket. Foto: Judy Gallagher. CC BY-SA 4.0, iNaturalist.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Piztgadas

Il tissi vegn or tras in aguigl.

Tge fa ses tissi?

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

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Tge fa el, cura ch'el ha tema?

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

Sch'el piztga

  • Sgratta ora l'aguigl d'avieul e sfradenta il lieu.
  • Sche la persuna ha difficultads da respirar, unfladiras da la fatscha u da la gula, u sch'ella sa senta sco da svanir, è quai ina urgenza allergica: clama tes numer d'urgenza e duvra sia penna d'adrenalina, sch'ella ha ina.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta piztga: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Quant grond è el?

Quant lung è el?

Eastern yellowjacket circa 1,6 cm lung (0,6 in)In graun da ris circa 7 mm (0,3 in)Ina munaida d'1 euro circa 2,3 cm (0,9 in)

Quant grev è el?

pli lev ch'in clip da palpiri
pli curt che tes det pitschenuschè lev che ti n'al sentissas betg sin il maunpudess sgular sur in entir plaz da ballape en 16 secundas

Quant grond è Eastern yellowjacket cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

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

Per experts da tissi

Num scientific
Vespula maculifrons
Gruppa
Avieuls, vespras e calabruns
Famiglia
Vespidae2
Urden
Hymenoptera
Continents
America dal Nord
Poppins
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
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Eastern yellowjacket (Wikipedia (CC BY-SA 4.0))
  2. Vespula maculifrons (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

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Viva era en: America dal Nord

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