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The Lemon Tree Borer, Oemona hirta, is a common agricultural pest that damages grape vines in vineyards and citrus trees. Thus it serves a vital horticultural purpose and is responsible for keeping the Lemon Tree Borer populations contained. In Auckland alone nearly 10–20% of the Lemon Tree Borer's have been found to host the wasp's larvae. [11]
Oemona hirta, the lemon tree borer, also known as the whistling beetle or the singing beetle, is a longhorn beetle endemic to New Zealand. [1] Its larvae are generalist feeders, boring into the wood of a wide variety of trees, native and introduced.
Alternaria leaf spot of rough lemon Alternaria citri: Alternaria stem-end rot Alternaria citri: Anthracnose = wither-tip Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Areolate leaf spot Thanatephorus cucumeris = Pellicularia filamentosa Rhizoctonia solani [anamorph] Black mold rot Aspergillus niger: Black root rot Thielaviopsis ...
Lepidosaphes beckii also known as purple scale, mussel scale, citrus mussel scale, orange scale, comma scale and mussel purple scale [2] is a scale insect that is a pest of Citrus trees. The small insects attach themselves to leaves, fruits and small branches and cause injury by sucking the tree's sap. [3]
10. Keep an eye out for pests and diseases. Check your lemon tree weekly for pests, such as aphids, spider mites, scale, and fungal diseases.
Aphids, mealybugs, and scale insects are particularly fond of lemon cypress trees, but these pests are treatable. Organic soap sprays applied every 7-10 days work wonders against mealybugs and ...
"That means better fruit, and less of those shady hiding spots for pests.” Pruning a lemon tree also has aesthetic value. “A pruned lemon tree can also be more pleasing to the eye [since it's ...
Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas (X.axonopodis; X. campestris).Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit.