Beetle Infestation Threatens Orchards
Gift Cards Offered for Capturing 10 Insects
Japanese orchards are struggling with an outbreak of invasive beetles. Local authorities have even introduced extraordinary measures, offering gift cards in exchange for collecting the insects.
On November 28 (local time), the Asahi Shimbun reported on the situation facing farmers in Ibaraki Prefecture, Japan. Thanks to its mild climate and abundant natural scenery, Ibaraki plays an important role not only in tourism but also in agriculture and livestock industries. The region is especially famous for its orchards, which harvest seasonal fruits such as apples and blueberries.
Cherry tree longhorn beetle clinging to a fruit tree. It is originally a beetle species native to China. Screenshot from Asahi Shimbun website
However, orchards in Ibaraki Prefecture have recently faced a crisis due to an invasion of the cherry tree longhorn beetle, an invasive species. The cherry tree longhorn beetle is a type of longhorn beetle, distinguished by its red neck area. It typically measures about 2.5 to 4 centimeters in length. The beetle mainly feeds on leaves, tree bark, and fruit sap. Generally, larvae hatch in trees and feed on the trunk as they grow over a period of two to three years, eventually emerging as adults from the tree.
The cherry tree longhorn beetle is native to China. It is not known exactly when the species crossed the Pacific and began breeding in Ibaraki Prefecture. However, adult beetles have recently been spotted in several orchards. According to the local government, as many as 3,782 cherry tree longhorn beetles were captured between June and September this year.
Reports of damage caused by the cherry tree longhorn beetle have also surged among farmers. In response, the prefecture recently introduced a reward system for those who capture the beetles. Under this system, anyone who brings in 10 cherry tree longhorn beetles can exchange them for a 500-yen (approximately 4,600 won) gift card. Those who bring in fewer than 10 beetles can exchange them for goods such as badges or eco bags.
In addition, Ibaraki Prefecture is operating a "witness reward" program to prevent damage caused by invasive animals and insects at an early stage. If someone discovers and reports an invasive species that is feared to establish itself in the prefecture, they are eligible for a reward.
Although this system has been in place since May, most of the videos submitted so far have featured native animals such as foxes, raccoons, and rabbits, so no citizens have actually received a reward yet. An official told the Asahi Shimbun, "We believe that invasive animals have not yet established themselves in Ibaraki Prefecture," but added, "We remain vigilant."
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