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Western yellowjacket

Vespula pensylvanica

Maak net seerDit maak seer, maar dit sal jou nie ernstig skade doen nie.

Bye, wespe & perdebye

StekeEet: 'n Bietjie van alles

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

The western yellowjacket is a social wasp with a yellow and black body. It lives across the western half of North America and has spread to the Hawaiian Islands, where it is considered a major pest. Its colonies can grow very large in places without cold winters.1

Leef in

Western half of North America, from Mexico to western Canada, and the Hawaiian Islands of Kauai, Oahu, Maui and Hawaii1

Noord-Amerika

Tuis

It lives in open forest, prairies, urban areas, gardens, parkland, meadows and houses. Nests are usually built 10 to 15 cm below ground or in dark cavities such as rodent burrows or old logs.1

Lengte

1,5 cm (0,6 in)3

tipiese grootte van 'n volwasse dier

Topspoed

omtrent 24 km/h (15 mph)

Vlieënd, rowwe skatting

Wat eet dit?

Workers hunt insects and scavenge dead animals for meat, and feed on plant nectar for sugars. They chew prey into pieces, usually removing the head first from large insects, and in Hawaii they also raid honey bee colonies.1

Foto van Western yellowjacket — Western yellowjacket. Foto: Eugene Zelenko. CC BY-SA 4.0, iNaturalist.

Hoe om dit te herken

Yellow and black pattern, typical of social wasps in the genus Vespula1
Most females have a continuous yellow ring around each eye, known as an eye-loop1
A diamond-shaped black mark on the first tergum (the upper plate of the abdomen)1
Nests are made of wood fibres and enclosed in a paper envelope, with an entrance tunnel of 10 to 30 cm at the bottom1

Word dikwels verwar met: It is often misidentified as V. germanica, which has a similar diamond-shaped black mark. The continuous yellow eye-loop around each eye usually tells the western yellowjacket apart, though males often lack it.1

Gifkrag

Steke

Gif kom deur 'n angel uit.

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

As dit steek

Skraap 'n byangel uit en koel die plek af.
As die persoon sukkel om asem te haal, die gesig of keel swel, of hy voel flou, is dit 'n allergiese noodgeval: bel jou noodnommer en gebruik sy adrenalienpen (outo-inspuiter) as hy een het.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As een jou steek: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië

Hoe groot is dit?

Hoe lank is dit?

korter as jou pinkiekan in 16 sekondes oor 'n hele sokkerveld vlieg

Hoe groot is Western yellowjacket in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Huisvlieg omtrent 7 km/h (4,4 mph)

Western yellowjacket omtrent 24 km/h (15 mph)

'n Mens wat nael omtrent 37 km/h (23 mph)

die moeite werd om te weet

Feite

Workers settle dominance within the nest by mauling, where one wasp chews on another that stays still.1

In Hawaii, the western yellowjacket has become so invasive that it is labelled a major pest.1

The nest is kept cleaner than those of many other social wasps, with waste, prey remains and dead larvae removed.1

Only the inseminated queen survives the winter, entering diapause (a resting state) until spring.1

Most foraging happens close to the nest, usually within about 335 metres, though some trips reach about 550 metres.1

Cold weather limits the number of western yellowjackets, but in places without cold winters their population can grow very quickly.1

Vir gifkenners

Wetenskaplike naam: Vespula pensylvanica
Groep: Bye, wespe & perdebye
Familie: Vespidae2
Orde: Hymenoptera
Kontinente: Noord-Amerika
Babas: The queen lays the eggs, and the larvae are fed by the queen at first and later by the workers.1
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Vespula pensylvanica (Wikipedia (CC BY-SA 4.0))
Vespula pensylvanica (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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