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<p><i>Cotesia ruficrus</i> is a gregarious larval endoparasitoid of many important agricultural pest moths, such as the fall armyworm, northern armyworm and rice leaffolder. While eight of <i>Cotesia</i> genomes had been reported, high-quality genomic data of <i>C. ruficrus</i> has yet to be performed. This study presents a chromosome-scale genome assembly of <i>C. ruficrus</i>, utilizing both PacBio HiFi-reads and Hi-C reads. The genome size is about 185.3 Mb harboring 10 chromosomes, and 209 unanchored scaffolds with a scaffold N50 length of 15.81 Mb. The anchored rate of sequences to chromosomes is 95.55%. A total of 14,001 genes have been annotated. This work delivers a first high-quality, chromosome-scale genome for <i>C. ruficrus</i>, enriching the datasets for comparative evolutionary studies within the <i>Cotesia</i> genus. Additionally, it offers a valuable genomic resource for future biological and genetic research, as well as for enhancing pest management strategies, such as biological control.</p>

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Chromosome-level genome assembly of an endoparasitoid Cotesia ruficrus

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月26日

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  • Xianxin Zhao,
  • Yuanyuan Liu,
  • Xinhai Ye,
  • Fang Wang,
  • Qi Fang,
  • Gongyin Ye

摘要

Cotesia ruficrus is a gregarious larval endoparasitoid of many important agricultural pest moths, such as the fall armyworm, northern armyworm and rice leaffolder. While eight of Cotesia genomes had been reported, high-quality genomic data of C. ruficrus has yet to be performed. This study presents a chromosome-scale genome assembly of C. ruficrus, utilizing both PacBio HiFi-reads and Hi-C reads. The genome size is about 185.3 Mb harboring 10 chromosomes, and 209 unanchored scaffolds with a scaffold N50 length of 15.81 Mb. The anchored rate of sequences to chromosomes is 95.55%. A total of 14,001 genes have been annotated. This work delivers a first high-quality, chromosome-scale genome for C. ruficrus, enriching the datasets for comparative evolutionary studies within the Cotesia genus. Additionally, it offers a valuable genomic resource for future biological and genetic research, as well as for enhancing pest management strategies, such as biological control.