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Cabbage stem flea beetle

Psylliodes chrysocephala

The cabbage stem flea beetle (CSFB) is a serious pest in winter oilseed rape with variation in abundance and damage between years. It is mainly found in Europe, but also in Canada and Russia

The adult beetles invade fields at the time of crop emergence and cause a mostly minor damage by feeding in the leaves of young plants. The main damage is caused by the larvae mining the petioles and later stems from the autumn to the following spring.

The CSFBs are univoltine and stay in the oilseed rape field most of their cycle. They have two main periods of displacement before summer diapause is to avoid unfavourably high midsummer. The displacement before summer diapause is to avoid unfavourably high temperatures. The beetles move from the fields into cooler and shadier places of higher relative humidity in field margins and hedgerows.

Their flight ability is fairly good. They are able to fly longer distances. After field invasion, their behaviour gradually changes from movement by flight to jumping.

Forecasting is widely based on monitoring the activity density of adult beetles with yellow water traps in the main period of field invasion. There is not always direct correlation between trap catches and subsequent larval density since temperature influences the number of eggs laid as well as the number of eggs hatching in the autumn

The young adult appears in May/June, the female starts to lay in autumn, stops when the temperature falls and start again at the end of the winter, in total they lay up to 150 eggs. There is one generation per year.

Adult attacks on rape seedlings can totally destroy the crop. The plants attached by the larvae become bushy and stunted.

The egg-laying of the CSFB starts in autumn and continues until flowering spring temperatures above 2 degrees. The larvae appear from autumn and overwinter as either first, second or third instars dependent on the start of egg-laying and temperature. In mild winters adults can overwinter. The larvae throughout the winter in petioles and stems of winter oilseed rape and are exposed to a physical environment of a wide range of temperatures from autumn to the following spring, potentially with sub-zero temperatures during winter. The CSFB is adapted to temperate regions with moderately cold winter conditions and is able to withstand sub-zero temperatures during winter.

Key cabbage stem flea beetle resources


Title Year Author(s) Publisher
Integrated pest management strategies for cabbage stem flea beetle (Psylliodes chrysocephala) in oilseed rape. Vol. 14, (3), pp 267-286, DOI: 10.1111/gcbb.12918 2021 Ortega-Ramos, P, Coston DJ, Seimandi-Corda, G, Mauchline AL, Cook SM GCB - Bioenergy
Investigating the status of pyrethroid resistance in UK populations of the cabbage stem flea beetle (Psylliodes chrysocephala) Vol 138, 105316, 2020 Willis CE, Foster SP, Zimmer CT, Elias J, Chang X, Field LM, Williamson MS, Davies TGE Crop Protection
A Global Survey on Diseases and Pests in Oilseed Rape—Current Challenges and Innovative Strategies of Control Volume 2, 2020 Zheng X, Koopmann B, Ulber B, von Tiedemann A Frontiers in Agronomy
Incidence, Spread and Mechanisms of Pyrethroid Resistance in European Populations of the Cabbage Stem Flea Beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae) Vol. 10 (12), e0146045, DOI: 10.1371/journal.pone.0146045 2015 Højland DH, Nauen R, Foster SP, Williamson MS, Kristensen M Public Library Of Science (PLOS)
Target-site resistance to pyrethroid insecticides in German populations of the cabbage stem flea beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae) Vol. 108, pp. 1-7. DOI: 10.1016/j.pestbp.2013.11.005 2014 Zimmer CT, Müller A, Heimbach U, Nauen R Pesticide Biochemistry and Physiology
First steps to analyse pyrethroid resistance of different oil seed rape pests in Germany Vol. 58 (1), pp 1-5 2006 Heimbach U, Müller A, Thieme T Nachrichtenbl. Deut. Pflanzenschutzd

The information provided is based on literature reviews and as such IRAC cannot guarantee or be held accountable for the accuracy of the reports.

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