The data of <i>Trichogramma japonicum</i> high-quality chromosome-level genome

<i>Trichogramma japonicum</i> is a commercially available egg parasitoid, holding significant application value for controlling major rice pests <i>Chilo suppressalis</i> and <i>Cnaphalocrocis medinalis</i>. However, the unknown genomic landscape of this species has hindered progress in exploring gene functions to enhance its parasitic efficiency under field conditions. In this study, we comprehensively assembled a high-quality chromosome-level genome of <i>T</i><i>.</i><i> japonicum</i> by Illumina short reads, PacBio HiFi reads, and Hi-C data.