The Brithys crini, commonly known as the Amaryllis borer or Lily borer, is a significant pest in gardening, particularly affecting plants in the Amaryllidaceae family. This pest’s lifecycle involves transformation from an egg to a larva (caterpillar), then to a pupa, and finally into an adult moth. The most damaging stage is the larval phase, where the caterpillars actively bore into the leaves, stems, and bulbs of plants, causing significant harm.

These borers are predominantly active during the warmer months, often from spring through autumn. During their active months, they lay eggs on the host plants. Once hatched, the larvae immediately start feeding on the plant tissues, tunneling through them, which not only disfigures the plants but can also lead to secondary infections or even plant death if the damage is severe. This life cycle and the damage they cause make the Amaryllis and Lily borers a notable concern for gardeners and plant enthusiasts.