Pollen Beetles in Oilseed Rape Fields: Spectrum and Distribution in Czech Republic during 2011–2013

Eva Hrudová (), Marek Seidenglanz, Pavel Tóth, Jana Poslušná, Pavel Kolařík and Jiří Havel
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Eva Hrudová: Department of Crop Science, Breeding and Plant Medicine, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic
Marek Seidenglanz: Agritec Plant Research Ltd., 787 01 Šumperk, Czech Republic
Pavel Tóth: Central Institute for Supervising and Testing in Agriculture, 779 00 Olomouc, Czech Republic
Jana Poslušná: Agritec Plant Research Ltd., 787 01 Šumperk, Czech Republic
Pavel Kolařík: Agricultural Research Ltd., 664 41 Troubsko, Czech Republic
Jiří Havel: OSEVA Development and Research Ltd., 756 54 Zubří, Czech Republic

Agriculture, 2023, vol. 13, issue 6, 1-23

Abstract: Oilseed rape is frequently damaged by insect pests. Much attention is paid to the protection of oilseed rape against Brassicogethes aeneus (Coleoptera: Nitidulidae), which is one of the most significant pests of spring and winter oilseed rape. The presence of different pollen beetle species was monitored in the Czech Republic in the years 2011–2013. A minimum of 500 individuals were captured at each site. Morphometric characteristics and the morphology of male and/or female genitalia were used to determine species. B. aeneus , B. subaeneus , B. viridescens and B. coracinus were most abundant. Other species presented in oilseed rape were B. coeruleovirens , B. czwalinai , B. matronalis , B. anthracinus , Boragogethes symphyti , Cychramus luteus , Fabogethes nigrescens , Genistogethes carinulatus , Meligethes atratus , Sagitogethes maurus , and Lamiogethes atramentarius . Our main conclusion is that the reason for the presence of the pollen beetle species associated with their development into non-cruciferous plants in oilseeds is the sufficiency of pollen as food for beetles. In addition, they may occur here incidentally, as they can be transported relatively long distances by air. Accompanying species of pollen beetles probably also have a positive effect on abundance reduction in species considered to be harmful as they are hosts to parasitoids of the oilseed rape pest.

Keywords: Brassicogethes; species spectrum; canola; pests (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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