Year: 2024
Type: article
Abstract: Lycorma delicatula was recorded from 16 sites in Toyama Prefecture. This includes a photographic record taken in Tonami City in 2020, which is the oldest record in the prefecture. The records were somewhat biased from the central to the western side of Toyama. Previous studies have suggested that this species tends to expand more slowly to the north than to the south, and it is possible that it took longer to expand to the northeast side of Toyama. A number of individuals were found in the Kureha-kyûryô Hills and the Jinzû-gawa River basin, suggesting that this species has become established in these areas. Additionally, several nymphs were presumed to have suckled from Juglans mandshurica var. mandshurica at Kiritani, Yatsuo, Toyama City. Sucking on J. mandshurica var. mandshurica has already been reported in Korea, and it was suggested that L. delicatula sucks on this tree in Japan as well.
DOI: 10.60387/0002000771
Authors: Sawada, Kenta, Iwata, Tomofumi
Language: Japanese
Topic: Hemiptera Insect Studies
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7207569677