Density and phenology of the invasive mealybug Delottococcus aberiae on citrus: implications for integrated pest management

  • Victoria Martínez-Blay
  • Jesica Pérez-Rodríguez
  • Alejandro Tena
  • Antonia Soto
Original Paper
  • 60 Downloads

Abstract

Delottococcus aberiae De Lotto (Hemiptera: Pseudococcidae) is a new invasive citrus pest in Spain. It causes severe fruit distortions and, as a new invasive mealybug, there is a lack of information about its biology. This research aims to examine the seasonal trend of D. aberiae in citrus, using several sampling methods, as a first step to develop an integrated pest management program. Ten citrus orchards from Eastern Spain were periodically sampled during three years using absolute (plant material) and relative (corrugated cardboard band traps and sticky traps) sampling methods. The three sampling methods showed that D. aberiae completes multiple generations per year, two of them being clearly defined and resulting in high populations. D. aberiae peaked between May and June, damaging the developing fruit. Corrugated cardboard band traps were able to detect prepupa and pupa male instars and gravid females, providing a quantitative measurement of D. aberiae density at its first population peak. The use of corrugated cardboard band traps is recommended to monitor population levels and sticky traps to determine male flight periods, representing simple sampling techniques to monitor D. aberiae. These results will improve the sampling protocols and allow for the development of an integrated pest management program.

Keywords

Corrugated and sticky traps Life cycle Sampling protocols D. aberiae Citrus 

Notes

Acknowledgements

We would like to thank the owners of the orchards for allowing us to use their plantations and P. Bru (IVIA) and J. Catalán (IVIA) for their help in sampling. This research was supported by two predoctoral grants (FPU to V. Martínez-Blay and Val I + d to J. Pérez-Rodríguez from the Spanish Ministry of Education, Culture and Sport and Generalitat Valenciana, respectively), the European Grants FP7-IAPP #324475 ‘Colbics’ and FP7-IRSES #612566 ‘Biomodic,’ and a national project provided by INIA (Project No. RTA2014-00067). The authors thank Debra Westall (UPV) for revising the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Victoria Martínez-Blay
    • 1
  • Jesica Pérez-Rodríguez
    • 2
    • 3
  • Alejandro Tena
    • 2
  • Antonia Soto
    • 1
  1. 1.Instituto Agroforestal Mediterráneo (IAM)Universitat Politècnica de ValènciaValenciaSpain
  2. 2.Instituto Valenciano de Investigaciones AgrariasUnidad Asociada de Entomología UJI-IVIAMoncada, ValenciaSpain
  3. 3.Departament de Zoologia, Facultat de Ciències BiològiquesUniversitat de ValènciaValenciaSpain

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