Hawthorn leaf mining sawfly (Profenusa
Gail Ruhl, Senior Plant Disease Diagnostician,
Department of Botany & Plant Pathology, Purdue Univ.
Do the leaves on your hawthorn trees look blighted?
Have you been watering
the tree because you thought the scorched leaves were due to drought?
need to look more closely at those leaves. Hold a leaf up to the
you will see that they have been 'mined' by a sawfly insect pest
hawthorn leaf miner. Additional images and information are available
at a previous picture of the week article, Hawthorn