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Wheel bug

Arilus cristatus

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

Ruspes & goggas

ByteEet: Vleis

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

The wheel bug is a large assassin bug with a wheel-shaped crest on its back. It is the only wheel bug found in the United States, and it hunts caterpillars and beetles. Gardeners value it because it helps keep pests down.1

Leef in

Eastern Canada, the United States, Mexico and Guatemala1

Noord-Amerika

Tuis

It lives in leafy areas and is most active in daylight, hiding whenever it can. It is found on sunflowers, goldenrod, cotton, locust tree trunks, and in fruit and tree groves.1

Lengte

3,8 cm (1,5 in)1

Topspoed

omtrent 0,65 km/h (0,4 mph)

Op land, rowwe skatting

Wat eet dit?

It grips and pins prey with its front legs, then pushes its beak into the victim. It injects enzymes that paralyse the prey and dissolve its insides, then drains the fluids. It commonly preys on caterpillars and beetles, including Japanese beetles and Mexican bean beetles.1

Foto van Wheel bug — Wheel bug. Foto: gailhampshire. CC BY 4.0, iNaturalist.

Hoe om dit te herken

Adults are grey to brownish grey, and black shortly after moulting.1
Adults have a wheel-shaped or cog-shaped ridge on the back of the thorax. Young nymphs do not have this wheel yet.1
Nymphs have a bright red or orange abdomen.1
Adults can grow up to 38 mm long. Females are somewhat larger than males.1
They move and fly slowly, and make a noisy buzzing sound in flight.1

Gifkrag

Byte

Gif kom deur sy giftande of tande uit wanneer dit byt.

Wat doen sy gif as dit byt of steek?

The bug injects enzymes into its prey that paralyse it and dissolve its insides. Its bite is not considered highly venomous. In people, the bite causes a wound that is very painful and lingering, with the area becoming hot and irritated, and numbness that can last for days.1

Hoe gevaarlik is dit vir mense?

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

The bite is not considered highly venomous, so it is not serious in the short term. Discomfort may last for two weeks, and in some cases up to six months. Longer-lasting problems are often linked to allergic reactions or repeated infections of the wound.1

Wat doen dit as dit bang is?

When threatened, it relies on camouflage, its bite, or unpleasant odours from two scent glands in its abdomen.1

As dit byt

Vir ruspe-brandhare: lig hulle af met kleefband en was dan die vel. Moenie vryf nie.
Vir byte: was en koel af. Kry mediese hulp as die persoon sleg voel of maklik bloei.

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 byt: 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?

omtrent so lank soos 'n skuifspeld

Hoe groot is Wheel bug in vergelyking met JOU?

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

Hoe vinnig is dit?

'n Skilpad omtrent 0,3 km/h (0,19 mph)

Wheel bug omtrent 0,65 km/h (0,4 mph)

'n Mens wat loop omtrent 5 km/h (3,1 mph)

die moeite werd om te weet

Feite

It is cannibalistic. Nymphs may prey on each other, and a female may feed on the male after mating.1

It can make a sound by rubbing the tip of its beak in a groove under its thorax. The purpose is unknown, but it may be a way of communicating.1

Nymphs are predators as soon as they hatch, but the wheel only appears after the final moult into adulthood.1

It can prey on useful insects such as lady beetles and honey bees, as well as pests.1

It is one of the largest true bugs in North America.1

In a laboratory test, parasitic wasps attacked 10 of 12 egg clusters, stopping many eggs from hatching normally.1

Vir gifkenners

Wetenskaplike naam: Arilus cristatus
Groep: Ruspes & goggas
Familie: Reduviidae2
Orde: Hemiptera
Kontinente: Noord-Amerika
Babas: After mating in autumn, a female lays 40 to 200 small, brown, cylindrical eggs in a glued cluster on trees, bushes, twigs and other objects. The eggs hatch the following spring.1
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Arilus cristatus (Wikipedia (CC BY-SA 4.0))
Arilus cristatus (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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