THROUGHOUT the summer and early autumn, small piles of white bore dust on the surface of the bark of ash, English or imported, are a common sight in timber yards and dispersal sites. As the Forest Products Research Laboratory receives a number of inquiries every year on this type of insect attack, the following information may be useful to all who may be alarmed by its presence in their stock.
Fisher, R.C. (1943), "Ash Bark‐Beetle Damage: An Alarming but Unimportant Type of Insect Attack in Ash", Aircraft Engineering and Aerospace Technology, Vol. 15 No. 8, pp. 244-244. https://doi.org/10.1108/eb031047
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