Shen Collection, Middle Volume. Radical: Insect (chóng). Character: Dú. Kangxi stroke count: 15. Page 1091, Entry 14. According to Collected Rimes (Jiyun) and Treasury of Rimes (Yunhui), the pronunciation is du (level tone). Dúchú refers to what is currently known as a spider. According to Sub-commentary on the Erya (Erya Shu), the Regional Languages (Fangyan) states: The zhūmáo (spider) is called dúchú in the region between Northern Yan and the Choson Lishui River. Also pronounced dài (falling tone). It is identical to the character dài. See the entry in the Jade (yù) radical section for details.