Swiss Invasive Species?
What is the name of this insect?
Der asiatische Marienkäfer
What is the german name of the marbled tree bug?
Die marmorierte Baumwanze
How do invasive species spread?
By human and natural causes.
Who introduced the majority of invasive species?
Humans
Why is an invasive specie a threat to the environment?
They outcompete the native species and can cause their extinction
Take over an area --> causes or carries diseases --> prevents reproduction or kills the young native species.
What is the name of this plant?
Flieder
Who is the enemie of the marbled tree bug?
The samurai wasp
What plant is not common anymore and can be found in Bern or Zurich?
Amerikanischer Stinktierkohl
How did the zebra mussel travel to Lake Erie?
By cargo ships.
What makes a animal a good invader?
They don't need such features.
What is the name of this insect?
asiatischer Laubholzbockkäfer
How did the marbled tree bug travel to Switzerland?
The rooftiles are from a factory in Peking and got delivered to Zurich in 1998 and with those tiles the marbled tree bug travelled also to Switzerland.
What is the definition of invasive species?
Are animals or plants which can cause economic damages, harm human, livestock or plant health or if they spread at the cost of native species.
Why were rabbits introduced to Australia?
To hunt them
What are the three control methods?
Chemical control, biological control, mechanical control
What is the name of this plant and why should we get rid of them?
Drüsiges Springkraut and it is a threat to the biodiversity.
When were they first found in Switzerland?
In 2004
How many rabbits where brought to Australia orignally?
13
What was the usage of the kudzu vine?
For porch decoration, feed cattle and to fight soil erosion.
How big is the mortality rate of the virus for the rabbits?
90%
What is the name of this insect? Where in Switzerland are they found?
Japanische Esskastanien-Gallwespe
In the southern parts of Switzerland.
What problems does the marbled tree bug cause?
It spreads very quickly. It destroys foods.
What kind of method is giving the rabbits a virus? What is a problem with it?
biological control
They can get resistant of it.
How are species naturally introduced to a new habitat?
natural factors --> storms, ocean currents or climate shifts.
What is mechanical control? Explain it with an example.
Remove each plant of kill each animal individually.