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. 2025 Jan 14:10:12.
doi: 10.12688/wellcomeopenres.23504.1. eCollection 2025.

The genome sequence of the European Corn Borer, Ostrinia nubilalis Hübner, 1796

Douglas Boyes  1 , David C Lees  2 , Brad S Coates  3 ; University of Oxford and Wytham Woods Genome Acquisition Lab; Natural History Museum Genome Acquisition Lab; Darwin Tree of Life Barcoding collective; Wellcome Sanger Institute Tree of Life Management, Samples and Laboratory team; Wellcome Sanger Institute Scientific Operations: Sequencing Operations; Wellcome Sanger Institute Tree of Life Core Informatics team; Tree of Life Core Informatics collective; Darwin Tree of Life Consortium
Affiliations

The genome sequence of the European Corn Borer, Ostrinia nubilalis Hübner, 1796

Douglas Boyes et al. Wellcome Open Res. .

Abstract

We present a genome assembly from an individual female specimen of Ostrinia nubilalis (European Corn Borer; Arthropoda; Insecta; Lepidoptera; Crambidae). The genome sequence has a total length of 495.50 megabases. Most of the assembly (99.87%) is scaffolded into 32 chromosomal pseudomolecules, including the Z and W sex chromosomes. The mitochondrial genome has also been assembled and is 15.24 kilobases in length. Gene annotation of this assembly on Ensembl identified 16,780 protein-coding genes.

Keywords: European Corn Borer; Lepidoptera; Ostrinia nubilalis; chromosomal; genome sequence.

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Conflict of interest statement

No competing interests were disclosed.

Figures

Figure 1.
Figure 1.. Photograph of the Ostrinia nubilalis (ilOstNubi1) specimen used for genome sequencing.
Figure 2.
Figure 2.. Genome assembly of Ostrinia nubilalis, ilOstNubi1.1: metrics.
The BlobToolKit snail plot provides an overview of assembly metrics and BUSCO gene completeness. The circumference represents the length of the whole genome sequence, and the main plot is divided into 1,000 bins around the circumference. The outermost blue tracks display the distribution of GC, AT, and N percentages across the bins. Scaffolds are arranged clockwise from longest to shortest and are depicted in dark grey. The longest scaffold is indicated by the red arc, and the deeper orange and pale orange arcs represent the N50 and N90 lengths. A light grey spiral at the centre shows the cumulative scaffold count on a logarithmic scale. A summary of complete, fragmented, duplicated, and missing BUSCO genes in the lepidoptera_odb10 set is presented at the top right. An interactive version of this figure is available at https://blobtoolkit.genomehubs.org/view/GCA_963855985.1/dataset/GCA_963855985.1/snail.
Figure 3.
Figure 3.. Genome assembly of Ostrinia nubilalis, ilOstNubi1.1: BlobToolKit GC-coverage plot showing sequence coverage (vertical axis) and GC content (horizontal axis).
The circles represent scaffolds, with the size proportional to scaffold length and the colour representing phylum membership. The histograms along the axes display the total length of sequences distributed across different levels of coverage and GC content. An interactive version of this figure is available at https://blobtoolkit.genomehubs.org/view/GCA_963855985.1/dataset/GCA_963855985.1/blob.
Figure 4.
Figure 4.. Genome assembly of Ostrinia nubilalis ilOstNubi1.1: BlobToolKit cumulative sequence plot.
The grey line shows cumulative length for all scaffolds. Coloured lines show cumulative lengths of scaffolds assigned to each phylum using the buscogenes taxrule. An interactive version of this figure is available at https://blobtoolkit.genomehubs.org/view/GCA_963855985.1/dataset/GCA_963855985.1/cumulative.
Figure 5.
Figure 5.. Genome assembly of Ostrinia nubilalis ilOstNubi1.1: Hi-C contact map of the ilOstNubi1.1 assembly, visualised using HiGlass.
Chromosomes are shown in order of size from left to right and top to bottom. An interactive version of this figure may be viewed at https://genome-note-higlass.tol.sanger.ac.uk/l/?d=DXu8jeAmRwO2saQMFKY0Gg.
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