Table 1. Monitoring method, monitoring period, and degree of occurrence of major pest in Arboretum of CNU

Scientific name Monitoring method Monitoring period(Number of times/month) Degree of occurrence(Number of insects/branch)
Hyphantria cunea (Drury) Larvae stage,3 branch per host plant April-November, 2018-2020(3-4 per month ) Low (+): 1-10Medium (++): 11-20Severe (+++): 21 or more
Lycorma delicatula Pupa-Imago stage,3 branch per host plant April-November, 2018-2020(3-4 per month ) Low (+): 1-10Medium (++): 11-20Severe (+++): 21 or more
Ricania shantungensis Pupa-Imago stage,3 branch per host plant April-November, 2018-2020(3-4 per month ) Low (+): 1-10Medium (++): 11-20Severe (+++): 21 or more
CNU, Chonnam National University.