Striped blister beetle
The striped blister beetle is a slender black and yellow beetle that lives in eastern North America. It is a crop pest that can damage vegetable and field plants. Its body contains a poison that blisters skin and can kill livestock, so it should be left alone.1

Sådan genkender du det
- Adults are 9 to 17 millimetres long, long and slender, with a hairy body.1
- The body is black and yellow.1
- It has two black spots on the head and two black stripes on the thorax (the middle body section).1
- It has two or three black stripes on each wing cover. Northern beetles have two stripes and southern beetles have three.1
- Adults often form swarms that travel together.1
Giftkraft
Dets hud er giftig. Det er farligt at røre ved, slikke på eller spise.
Hvad gør dets gift, hvis man rører ved det eller spiser det?
This beetle is poisonous rather than venomous, as it does not bite or sting. It contains cantharidin, a toxic compound that causes blistering of the skin and mucous membranes. In horses, a dose of about one milligram per kilogram of body weight is toxic, and eating 30 to 50 beetles can be fatal. Symptoms include blisters and ulcers of the mouth, pawing, stretching, diarrhoea, and low blood calcium and magnesium.1
Hvor farligt er det for mennesker?
Fare for mennesker: SmertefuldDet kan gøre rigtig ondt, men det er næsten aldrig alvorligt.Cantharidin has been known to cause deaths, particularly of horses. Even two to five beetles can cause colic in horses, and hay containing crushed beetles can make animals ill. Cattle and sheep are less affected but can still show some symptoms. Frogs that eat these beetles keep the poison, so eating frog legs from beetle-fed frogs could cause poisoning, as little as 200 grams could contain a potentially fatal dose.1
Hvis nogen har rørt ved det eller spist det
- Hvis nogen har spist det eller har symptomer efter at have spist det: Ring straks til dit alarmnummer eller Giftlinjen.
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 du har rørt ved det eller spist det: Gnid ikke øjnene eller munden, vask hænderne, og få lægehjælp.
Det er ikke ude efter dig. Dets gift er der kun, for at intet skal spise det. Mere om sikkerhed
Hvor stort er det?
Hvor langt er det?
kortere end din lillefingerHvor stor er Striped blister beetle i forhold til DIG?
Bare matematik i din browser. Intet bliver gemt eller sendt nogen steder hen.
Hvor hurtigt er det?
Fakta
Frogs can eat blister beetles without harm, but they store the poison in their tissues and mucus, so predators that eat the frogs can be poisoned.1
Its larvae live on grasshopper eggs, which they find and feed on.1
Some ecologists consider it one of the most problematic pest blister beetles in its range, because it feeds voraciously, damages fruit and forms swarms.1
The beetle changes its appearance as it develops. The newly hatched larva is whitish with long legs, and later becomes a reddish-brown grub with shorter legs.1
Predators include robber flies and birds such as the western meadowlark, eastern bluebird and scissor-tailed flycatcher.1
For gifteksperter
- Videnskabeligt navn
- Epicauta vittata
- Gruppe
- Andre passivt giftige dyr
- Familie
- Meloidae2
- Orden
- Coleoptera
- Kontinenter
- Nordamerika
- Unger
- The female lays eggs in masses of 100 to 200 in a chamber a few centimetres deep in the soil, and each egg is about 2 millimetres long. The eggs hatch within 16 days, and there are one or two generations per year.1
- Fare for mennesker
- 2 / 5: Smertefuld3
Hvor fakta kommer fra
- Epicauta vittata (Wikipedia (CC BY-SA 4.0))
- Epicauta vittata (iNaturalist): navne og klassifikation.
- 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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