Chao Jung-tai describes the schoolyard incidents as being part of a war between the insects and the plants. The insects mount a massive attack, which the trees are at first unable to fend off. But despite their initial victory, the caterpillars rarely have the last laugh.
趙榮台形容發生在校園的「蟲變」，是一場昆蟲與植物的戰爭，蟲兒大舉進攻，大樹一時不敵，但旗開得勝的毛毛蟲不會得意太久。