The genome sequence of the hemlock woolly adelgid, Adelges tsugae Annand 1924

2025 · doi:10.1101/2025.04.07.644581
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Abstract The genome of the hemlock woolly adelgid (Adelges tsugae) is presented in 10 chromosomal pseudomolecules along with 132 unplaced scaffolds for a combined length of 216.56 Mb. The genome is highly contiguous, with a benchmarking universal single-copy orthologs (BUSCO) completion score of 98.25%, an N50 of 20.54 Mb, and the longest scaffold 37.41 Mb in length. On the basis of chromosomal synteny with other aphid genomes, the hemlock woolly adelgid’s genome is composed of 8 autosomes and two sex (X) chromosomes. Annotation of the assembly identified 11,800 coding genes, 1,930 non-coding genes, and 20,403 mRNA transcripts. The mitogenome is also presented in a single, annotated, circular contig 25,980 bases in length. Species taxonomy Eukaryota; Metazoa; Arthropoda; Hexapoda; Insecta; Pterygota; Neoptera; Paraneoptera; Hemiptera; Sternorrhyncha; Aphidomorpha; Adelgoidea; Adelgidae; Adelges; Annandina; Adelges (Annandina) tsugae Annand, 1924 (NCBI:txid357502) Competing Interest Statement The authors have declared no competing interest.

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