1132. The crisis of the cherry blossom. 桜の危機
Speaking of spring, it's cherry blossom viewing.
But many cherry trees have been attacked and killed by insects here and there recently.
It's a kind of longhorn beetle, represented by its red head.
The body length is from 2 to 4 cm.
They live in trees of rose family such as peaches, Japanese apricots, and cherries, and they lay their eggs.
The larvae eat inside trees and cause them to die.
They come from China, and it's designated exotic creatures.
The insect continues to spread the living range.
The cause of this,
1. They can fly about 20 metres.
Their territory is expanding rapidly.
2. Alien species have a high fertility rate.
One female gives birth to one thousand eggs.
3. Disappointed, they have no natural enemies.
It has been checked in Osaka, Nara, Wakayama, and Hyogo, especially, the Yoshino Mountain is worried about the invasion.
rose family バラ科 Japanese apricots 梅 lay 産む larvae 幼虫 designate 指定する
exotic creatures 外来生物 living range 生活範囲 Alien species 外来種 fertility rate 出生率
natural enemies 天敵