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A note on the occurrence of Ametastegia glabrata (Fallén) in motorway fencing
1976 - IRG/WP 375
During a recent survey of motorway fencing in England, evidence of insect damage caused by one of the species of saw fly Ametastegia glabrata (Fallén) was found in a very small percentage (1.7 per cent) of CCA and creosote-treated posts. The observation is perhaps of more academic than of practical importance, but if control is desired, contact insecticide treatment of posts or selective weed-killer application on sites could be tried.
R Cockcroft, R W Berry