# A New Threat to Conifer Cones: Cydia kamijoi (Oku, 1968) (Lepidoptera, Tortricidae), a New Record for China, Based on Morphological and DNA Barcoding Analyses

## TL;DR

A new moth species, Cydia kamijoi, previously found only in Japan, has been discovered in China and is damaging pine cones.

## Contribution

First documentation of Cydia kamijoi in China with morphological and DNA barcoding data.

## Key findings

- Cydia kamijoi is now recorded in China, expanding the genus' known diversity there.
- Larvae of C. kamijoi feed on Pinus koraiensis pine cones, threatening their health.
- DNA barcoding and phylogenetic analysis confirm the species' identity and relationships.

## Abstract

The genus Cydia (Lepidoptera: Tortricidae), a taxon of significant entomological interest, encompasses approximately 255 species with a cosmopolitan distribution. Within the geographic confines of China, 15 species within this genus have been documented, to date. Through comprehensive morphological analysis, the present study formally documents Cydia kamijoi (Oku, 1968) as a newly recorded species within the Chinese fauna, thereby expanding the known diversity of the genus in this region.

Cydia kamijoi (Oku, 1968) (Lepidoptera, Tortricidae) is a pest of conifer cones. It was first found in Hokkaido, Japan and was considered to be an endemic species of Hokkaido, which was rarely reported. Here, we report C. kamijoi in China for the first time, whose larvae feed on Pinus koraiensis pine cones. Descriptions of the larval and adult morphology of C. kamijoi, along with the COI DNA barcoding data available and the phylogenetic analysis are provided for this species for the first time. The emergence of C. kamijoi has severely threatened the health of P. koraiensis cones. This work may have important implications for the pest control of P. koraiensis cones in Northeast China.