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The genome sequence of Zethes insularis Rambur, 1833 (Lepidoptera: Erebidae)
Niklas Wahlberg1, Charlotte J Wright2, Joana I Meier2
1Lund University, Lund, Sweden.
Wellcome Open Research
|March 9, 2026
Summary
We present the genome assembly for the moth *Zethes insularis*, detailing its two haplotypes and chromosomal structure, including the Z sex chromosome. This contributes to understanding Lepidoptera biodiversity through Project Psyche.
Area of Science:
- Genomics
- Zoology
- Entomology
Background:
- The Erebidae family includes numerous moth species, many of which are underrepresented in genomic databases.
- Understanding the genetic makeup of Lepidoptera is crucial for biodiversity assessment and conservation efforts.
Purpose of the Study:
- To generate a high-quality genome assembly for *Zethes insularis*.
- To provide a genomic resource for the Erebidae family as part of Project Psyche.
Main Methods:
- Whole-genome sequencing of a male *Zethes insularis* specimen.
- Bioinformatic analysis for genome assembly and scaffolding.
- Identification and assembly of chromosomal pseudomolecules and the mitochondrial genome.
Main Results:
- A genome assembly comprising two haplotypes (862.07 Mb and 869.20 Mb) was generated.
- Most of both haplotypes (99.0% and 95.76%) were scaffolded into 31 chromosomal pseudomolecules, including the Z sex chromosome.
- The mitochondrial genome was assembled with a length of 15.77 kb.
Conclusions:
- The presented genome assembly provides a valuable resource for *Zethes insularis* and the broader Lepidoptera research community.
- This assembly facilitates future studies on insect evolution, population genetics, and conservation within the Erebidae family.
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