Center for Systematic Entomology

Predicting the potential distribution of Pseudococcus longispinus (Targioni-Tozzetti) (Hemiptera: Pseudococcidae) in South Korea using a CLIMEX model

HemipteraPseudococcidae

  • Su Bin Kim

    Majors in Plant Resource Sciences and Environment, College of Applied Life Science, SARI, Jeju National University, Jejudo, South Korea 63243

  • Soo-Jung Suh

    Plant Quarantine Technology Center/APQA 167, Yongjeon-ro, Gimcheon-si, Gyeongsangbuk-do, South Korea 39660

ZooBank
urn:lsid:zoobank.org:pub:9E0CBFE6-E1AA-4B55-9E58-70B170E0FBD8
Keywords
Climate change, interception, invasive species, long-tailed mealybug, risk prediction

Abstract

Pseudococcus longispinus (Targioni-Tozzetti) (Hemiptera: Pseudococcidae) is a widely-distributed pest that feeds on many economically important hosts, particularly tropical fruits and ornamentals. The potential distribution of this mealybug pest in South Korea remains a primary concern because of its high incidence of interceptions screened during inspection. Hence, this species prompted a modelling effort to as¬sess its potential risk of introduction. Potential risk maps were developed for this pest with a CLIMEX model based on occurrence records under environmental data. The potential distribution of these pests in South Korea in the 2020s, 2050s and 2090s was projected based on the RCP 8.5 climate change scenario. Results showed that P. longispinus has little potential for invasion in the outdoor environment of South Korea due to high cold stress in the 2020s. However, some locations in Jejudo were predicted to be marginally suitable under future climate factors. In that respect, the results of this model prediction could be used to prepare a risk-based surveying program that improves the probability of detecting early P. longispinus populations.

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