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Providing evidence to improve practice

Individual study: Failure of the beetle Haltica carduorum as a biocontrol agent of creeping thistle Cirsium arvense; field trials at Silwood Park, Berkshire, England, and Glamorgan, Wales

Published source details

Baker C.R.B., Blackman R.L. & Claridge M.F. (1972) Studies on Haltica carduorum Guerin (Coleoptera: Chrysomelidae) an alien beetle released in Britain as a contribution to the biological control of creeping thistle, Cirsium arvense (L.) Scop. Journal of Applied Ecology, 9, 819-830


This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Control weeds without damaging other plants in conservation areas Farmland Conservation

A series of replicated experiments in the UK from 1969 to 1971 (Baker et al. 1972) tested the suitability of the non-native herbivorous beetle Haltica carduorum as a biocontrol agent for the injurious weed, creeping thistle Cirsium arvense, and found it unsuitable due to low survival in the UK climate.