design: Pieris latouchei, a polyvoltine pest, has larvae feeding on Cruciferae. Related to P. erutae, it's a species by recent data, with stable, local Yangtze River Delta popns. Library: 2b - RAD five - label tandem. DNA digested by BsaXI, ligated by T4, PCR - amplified with tandem tags. After MinElute, SapI, gel purif., barcodes added. Products barcoded, purified, mixed, sequenced on Illumina NovaSeq 6000 PE150.