Shen Collection, Middle Volume Radical: Insect (chóng) Zhan Kangxi stroke count: 11 Page 1080, Entry 17 Pronounced ran. Classic of Rites (Erya), section on insects: The insect known as zhan is part of the zhan-si. Commentary: This belongs to the caterpillar family. In the present day, people in Qingzhou call caterpillars zhan-si. Sun Shuran identifies it as an eight-legged stinging insect, but this identification is incorrect. Compendium of Materia Medica (Bencao): The sparrow urn is also known as the zhan-si chamber, or as she, or as the red maiden. Tao Hongjing states: The zhan-si is the oyster-insect, which lives on pomegranate trees; the hairs on its back can sting people. Also pronounced zhan. The meaning is the same.