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The hermaphroditic self-fertilization observed in <jats:italic>I. purchasi<\/jats:italic> is an exceptionally rare reproductive mode among insects. In this study, we successfully assembled a chromosome-level genome sequence for <jats:italic>I. purchasi<\/jats:italic> using PacBio long-reads and the Hi-C technique, resulting in a total size of 1,103.38\u2009Mb and a contig N50 of 12.81\u2009Mb. The genome comprises 14,046 predicted protein-coding genes, with 462,722,633\u2009bp occurrence of repetitive sequences. BUSCO analysis revealed a completeness score of 93.20%. 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