Grandisol as an attractant for the sugar beet pest Bothynoderes affinis and data on other Lixinae species

Teodora B. Toshova, Miklós Tóth, Dimitar I. Velchev, Massimo Meregalli, Fabio Talamelli, Vasiliy D. Abaev, Zoltán Imrei, Zsófia Lohonyai, Mitko Subchev

Research output: Contribution to journalArticle

Abstract

As a result of field tests in Bulgaria and Hungary, cis-2-isopropenyl-l-methylcyclobutane ethanol (racemic grandisol) is reported for the first time as an attractant for Bothynoderes affinis (Schrank) (Coleoptera: Curculionidae, Lixinae), a member of the pest weevil complex of sugar beet. Dose–response experiments in the field using Csalomon TAL (modified pitfall) traps (Plant Protection Institute, CAR HAS, Budapest, Hungary) showed that catches of B. affinis adults increased with increasing attractant dose. In a subsequent experiment studying the effect of trap color (white, blue, yellow, fluorescent yellow, and transparent) all traps with the lure caught more than non-baited control traps, and the highest number of adults was recorded in transparent and yellow baited traps. Trap color had a significant effect on the number of B. affinis females captured. Transparent TAL traps baited with 1–10 mg grandisol applied on rubber dispensers are recommended for the detection and monitoring of B. affinis. In addition to the target species, 17 other Lixinae species were captured during the field experiments, demonstrating for the first time the possible role of grandisol in the chemical communication systems of some of these species. A second locality of Lixus punctiventris Boheman (Lixinae, Lixini) in Bulgaria is reported. TAL traps baited with grandisol might be a useful tool for surveying Lixinae diversity in different biotopes.

Original languageEnglish
Pages (from-to)794-802
Number of pages9
JournalEntomologia Experimentalis et Applicata
Volume167
Issue number9
DOIs
Publication statusPublished - Sep 1 2019

Keywords

  • Coleoptera
  • Curculionidae
  • cis-2-isopropenyl-l-methylcyclobutane ethanol
  • dose–response assay
  • field attraction
  • monitoring
  • optimal lure
  • pitfall traps
  • species diversity
  • visual cues
  • weevils

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

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  • Cite this

    Toshova, T. B., Tóth, M., Velchev, D. I., Meregalli, M., Talamelli, F., Abaev, V. D., Imrei, Z., Lohonyai, Z., & Subchev, M. (2019). Grandisol as an attractant for the sugar beet pest Bothynoderes affinis and data on other Lixinae species. Entomologia Experimentalis et Applicata, 167(9), 794-802. https://doi.org/10.1111/eea.12832