Comparison of different attract‐and‐kill device densities to control the adult population of Popillia japonica (Coleoptera: Scarabaeidae)

Author:

Paoli Francesco1ORCID,Barbieri Francesco1,Iovinella Immacolata1ORCID,Sciandra Chiara12,Barzanti Gian Paolo1,Torrini Giulia1ORCID,Sabbatini Peverieri Giuseppino1ORCID,Mazza Giuseppe1,Benvenuti Claudia1,Sacco Davide3,Martinetti Davide4,Roversi Pio Federico1,Marianelli Leonardo1

Affiliation:

1. CREA Research Centre for Plant Protection and Certification Florence Italy

2. Department of Life Sciences University of Siena Siena Italy

3. CREA Research Centre for Plant Protection and Certification Vercelli Italy

4. UR BIOSP INRAE Avignon France

Abstract

AbstractBACKGROUNDPopillia japonica Newman is a scarab beetle native to Japan that is considered a serious pest outside its native range. It can feed on more than 400 host plants and spread about 10 km per year in invaded territories, therefore it is considered the second most important quarantine pest in Europe. Both chemical and biological insecticides have been used for control, with variable results. Despite ongoing efforts, P. japonica remains a threat in invaded countries, and it is necessary to test more effective and sustainable solutions in the context of integrated pest management. Here we present a study on long‐lasting insecticide‐treated nets (LLINs) assembled in semiochemical‐baited attract‐and‐kill devices (A&Ks) as a means to control adults of P. japonica with low environmental impact. This study complements previous ones in which we first evaluated the effectiveness of the LLINs in the laboratory and then tested both effectiveness and duration in field‐exposed A&Ks against P. japonica. In the present work we compared the effectiveness of three different densities of A&Ks per hectare in areas where the population of P. japonica was numerically homogeneous.RESULTSThe different densities of A&K (1, 2, 4 A&Ks per ha) resulted in an overall reduction of the population of P. japonica by about two thirds in comparison to the control area.CONCLUSIONSThis study suggests that the use of one A&K per hectare, requiring minimal management effort, is an effective ratio for reducing local populations of P. japonica. © 2024 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Funder

H2020 Societal Challenges

Publisher

Wiley

Reference39 articles.

1. Biology and Management of the Japanese Beetle

2. Popillia japonica specie aliena invasiva segnalata in Lombardia;Pavesi M;L'inf Agrar,2014

3. EPPO RS EPPO Reporting Service No. 09. Num. Article 2017/160 First report ofPopillia japonicain Switzerland (2017).https://gd.eppo.int/reporting/article-6128.

4. A nationwide pest risk analysis in the context of the ongoing Japanese beetle invasion in Continental Europe: The case of metropolitan France

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