Rubies in Cherry Trees- Wushe Blood spotted Longhorn Beetle


An artificially planted cherry tree was snapped in two at Basianshan National Forest Recreation Area. Meanwhile, at the same place, wushe blood-spotted longhorn beetles were found dismembered and struggled to move their heads before death. Who is the murderer? After Man-Miao Yang, an associate professor at Department of Entomology in National Chung Hsing University, investigated the crime scene, she discovered that the two tragedies were closely related, which makes us to rethink the meaning of life.

The documentary, “Rubies in cherry trees: Wushe blood-spotted longhorn beetles,” is produced by Taiwan Entomological Society and published by the Forestry Bureau. The film introduces the life cycle of a wushe blood-spotted longhorn beetle, from egg, larva, pupa to adult. Do you know how the male beetles fight with each other for carrying on their genetic lineage? How do the losing mates get close to the females by all means? What will the female beetles do after being invaded? How do the blood-spotted longhorn beetle eggs hatch? Through the work of the associate professor Yang’s research team, these answers can be found in the film.

The research team found holes bored by blood-spotted longhorn beetles’ larvae on the cherry tree trunk and discovered dead blood-spotted longhorn beetles under the trees that Taiwan blue magpies live in. Obviously, both protected species are culprits. What measures should we take to protect both protected insect and bird species? In addition, blood-spotted longhorn beetles feed on cherry trees that people love. Facing the dilemma, which one should we guard, the cherry trees or the longhorn beetles?

The film’s last scene is in a classroom of Hsin-Kwang elementary school in Hsinchu County. In order to treat the 70-year-old cherry tree suffered from insect attacks, President Chen invited the associate professor Yang to diagnose and to give an ecological lesson to the pupils. For students, the sick cheery tree is the best teacher to teach them the value of the environment and life.

However, what do we want to teach the students? Is it the great technology developed for prolonging the cheery tree’s life? Or should we teach students to learn from the nature by not breaking the food chain and just appreciate the cherry tree’s beauty while it is still alive?

As for you, from what angles will you observe the creatures in nature? The film may give you some ideas!