More than 8 billion trees in North America are at risk of disappearing because of a true invasive bug

Many plants in North America are facing the risk of extinction due to an invasive beetle destroying their populations, greenery conservation experts warn.

According to the researchers, more than 8 billion trees of the ash genus may be wiped out because of insects called emerald ash borer . The bug was only brought to Michigan from Asia in the late 1990s, through infected packages and spread throughout the forests of the United States and Canada.

Five of the most valuable ash trees were listed by the International Union for Conservation of Nature and Natural Resources (IUCN) as the most endangered and threatened species, one steps before the risk of extinction.

This tiny bug is the cause of a serious decline in popular plants in North America.

The condition of the ash species in North America is the clearest example showing that the main threat to wildlife is invasive pests due to human activities.

Epidemic stem borers are spreading rapidly in North America and kill most of the tree population of the upper frequency of under 6 years old. The spread of this species also shows the danger of climate change. North America used to have a very cold climate, making it impossible for beetles to survive and thrive, but now the climate is warmer and helps them thrive and spread.

The most endangered ash trees are currently a population of 9 billion trees in the US forests, which have an extremely important economic and environmental value.

"Human activities are pushing species to the brink of extinction so quickly that nature conservationists cannot judge the decline in practice. Even the species we think are many and safe. All as African or antelope in the US are now facing the risk of extinction, " said Inger Andersen, IUCN's Director General.