Bay sucker can spoil the appearance of a bay tree by causing discoloration and distortion of leaves at the shoot tips.
Common name Bay suckerScientific name Trioza alacrisPlants affected Bay (Laurus nobilis)Main symptoms Leaves develop curled leaf margins that are abnormally thickened and pale yellow. Greyish white insects may be seen under the curled leaf margin. Later the damaged parts of the leaf dry up and turn brownMost active May to October
Bay sucker is a small sap-sucking insect that attacks the foliage during the summer. It is the immature nymphs that cause most of the damage.
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The damage is caused by the nymphal stages of the bay sucker when they suck sap from the young leaves during the summer.
Brown leaves on woody plantsHerbs in containersBay tree (Laurus nobilis)
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