A near chromosome-scale genome assembly of the common pine sawfly ( Diprion Pini )

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ID: 313756
2026
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Abstract
The common pine sawfly, Diprion pini, is a widespread defoliator of pine forests across Europe and Asia, with outbreaks causing substantial ecological and economic damages. However, genomic resources for this species have been limited, hindering advances in molecular ecology or pest management. Here, we present a near chromosome-level reference genome for D.pini, generated using PacBio HiFi reads, Oxford Nanopore MionION long reads, and 10× Genomics linked reads. The final assembly is organized into mostly chromosome-sized scaffolds. It spans a length of 268 Mb, comprises 81 scaffolds, and has a scaffold N50 of 18.7 Mb. BUSCO analysis (hymenoptera_odb10) indicates a high genome completeness of 97.2%. With 22,7 kb the mitochondrial genome is unusually large due to an extended non-coding control region (6874 bp). Gene prediction identified 26,335 protein-coding genes, of which 12,769 were functionally annotated. Comparative analyses with other sawflies and Apocrita identified 2472 proteins unique to D. pini, some of which are putatively associated with the processing of plant secondary metabolites. Notably, our genome assembly highlights that, when a closely related, high-quality reference genome is available, chromosome-scale assemblies can be generated without the need of Hi-C sequencing. The genome provides a valuable foundation for the development of improved monitoring and management strategies for D. pini outbreaks and contributes to advancing fundamental research on Hymenoptera evolution.
Reference Key
openalex_W7160846304 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Saskia Wutke, Craig Michell, Carita Lindstedt
Journal journal of heredity
Year 2026
DOI
10.1093/jhered/esag039
URL
https://doi.org/10.1093/jhered/esag039
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