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<p>The fig wax scale, <i>Ceroplastes rusci</i> (Linnaeus, 1758), is a polyphagous, globally invasive pest native to Africa, causing severe economic losses. High-quality genomic resources for this species are lacking, limiting molecular research on its biology and management. Here, we report a high-quality chromosome-level genome assembly of <i>C. rusci</i>, with a total length of 426.70 Mb and a scaffold N50 of 24.19 Mb. Hi-C data anchored 99.96% of the assembly into 18 chromosomes. The genome contains 11,587 protein-coding genes (95.71% functionally annotated) with a BUSCO completeness of 95.3% (hemiptera_odb12). Repetitive elements account for 55.48% of the genome, of which 50.61% are unclassified repeats; among classified repetitive elements, LTR retrotransposons represent the dominant category. We also annotated 996 non-coding RNA loci and characterized SSRs and transposable elements. This chromosome-scale genome provides a key resource for studying the evolution, host adaptation, insecticide resistance, reproductive strategies, and symbiotic interactions of scale insects, and will support the development of precise monitoring and sustainable control strategies against this invasive pest.</p>

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Chromosome-level genome assembly of Ceroplastes rusci Linnaeus, 1758 (Hemiptera: Coccidae)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月30日

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  • Yaoguang Qin,
  • Jingyi Zhang,
  • Boyu Zou,
  • Xu-Bo Wang,
  • Jun Deng,
  • Hongliang Li,
  • Ye Chen,
  • Hui Xiao,
  • Yanzhou Zhang

摘要

The fig wax scale, Ceroplastes rusci (Linnaeus, 1758), is a polyphagous, globally invasive pest native to Africa, causing severe economic losses. High-quality genomic resources for this species are lacking, limiting molecular research on its biology and management. Here, we report a high-quality chromosome-level genome assembly of C. rusci, with a total length of 426.70 Mb and a scaffold N50 of 24.19 Mb. Hi-C data anchored 99.96% of the assembly into 18 chromosomes. The genome contains 11,587 protein-coding genes (95.71% functionally annotated) with a BUSCO completeness of 95.3% (hemiptera_odb12). Repetitive elements account for 55.48% of the genome, of which 50.61% are unclassified repeats; among classified repetitive elements, LTR retrotransposons represent the dominant category. We also annotated 996 non-coding RNA loci and characterized SSRs and transposable elements. This chromosome-scale genome provides a key resource for studying the evolution, host adaptation, insecticide resistance, reproductive strategies, and symbiotic interactions of scale insects, and will support the development of precise monitoring and sustainable control strategies against this invasive pest.