---
title: "Groundbreaking Discovery of New Species of Lace Bug on Japan's Ogasawara Islands"
url: https://newscentral.site/groundbreaking-discovery-of-new-species-of-lace-bug-on-japan/
language: en
publisher: "News Central Site"
section: "Science"
published: 2026-10-19T12:00:01.000Z
updated: 2026-10-20T10:04:11.351Z
id: 6ab5eb84-df26-4538-8c79-5f160adbc1a8
source: "Phys.org https://phys.org/news/2026-10-genomic-uncovers-lace-bug-species.html"
attribution: "Link to https://newscentral.site/groundbreaking-discovery-of-new-species-of-lace-bug-on-japan/ and name News Central Site when you quote or summarize this story."
---

# Groundbreaking Discovery of New Species of Lace Bug on Japan's Ogasawara Islands

Researchers have identified a new species of lace bug through genomic analysis on the remote Ogasawara Islands in Japan.

Researchers have made a groundbreaking discovery on Japan's remote Ogasawara Islands, identifying a new species of lace bug through genomic analysis. The islands, located approximately 900 to 1,000 kilometers south of Tokyo, are renowned for their unique biodiversity, with around 440 endemic insect species.

The Ogasawara Islands have been designated as a UNESCO World Natural Heritage site due to the presence of endemic land snails and plants. However, until now, the insects on these islands had received relatively little attention from scientists. This new study sheds light on the evolutionary history of island insects, revealing that appearances can be deceiving.

A team led by researchers Jun Souma and Naoyuki Nakahama conducted an in-depth analysis of the Omoplax genus, which comprises lace bugs found exclusively on the Ogasawara Islands. The scientists chose to examine 52 specimens using a genetic method known as MIG-seq.

The study revealed that what was previously thought to be a single species, Omoplax desecta, is actually comprised of two distinct species. This discovery was made possible through genetic analysis, which showed significant differences between populations on the Chichijima and Hahajima island groups.

The discovery of Omoplax desecta on Japan's Ogasawara Islands has led researchers to explore its unique characteristics in more detail. One notable aspect of this lace bug species is its diet, which consists of both native and introduced plants.

Souma's interest in Omoplax desecta was sparked by its unusual feeding habits, which set it apart from other lace bugs known for their high host specificity. Typically, these insects feed on a limited range of plant species, but Omoplax desecta has been found to consume multiple types of plants.

The Hahajima population of Omoplax desecta presented a puzzle that required further investigation. Researchers observed that this group fed exclusively on Rhaphiolepis indica var. tashiroi and lacked the dark brown to black pronotum seen in some individuals from other island groups.

Genetic analysis revealed significant differences between populations found on different islands, leading researchers to suspect that they may be distinct species. Closer examination of their physical characteristics confirmed this suspicion, with notable variations observed in each group.

The researchers found that the lace bug species on Japan's Ogasawara Islands has adopted a new host plant, Calophyllum inophyllum, which was introduced by humans. This shift to a new host is believed to have occurred just once and relatively recently.

According to Jun Souma, the introduction of this tree may have contributed to the potential for future speciation among the lace bugs. This is an intriguing finding, suggesting that human activities can influence the evolutionary paths of certain species.

The study also highlights some limitations in the current data. Two rare species were found to be lacking DNA samples, which leaves gaps in our understanding of their history and relationships.

Further research will be necessary to fill these gaps and uncover more about how these lace bugs arrived on the islands and diversified over time, ultimately contributing to a clearer picture of their evolution.

---
Source: [Phys.org](https://phys.org/news/2026-10-genomic-uncovers-lace-bug-species.html)  
Published by News Central Site: https://newscentral.site/groundbreaking-discovery-of-new-species-of-lace-bug-on-japan/