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Whiteflies

Whitefly xylosma hibiscus (6)

Whiteflies are typically found on Hibiscus, Xylosma, Myoporum, and Ficus trees.

Whiteflies suck sap from leaf tissue. Excessive feeding or whitefly population’s results in large amounts of residue called sticky ‘honeydew’. The honeydew then turns into black ‘sooty mold’ making leaves black and distorted. Large amounts of sooty mold will reduce plant vigor, slow growth and cause premature leaf drop.

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Whiteflies can make a full life cycle from egg to adult in about 2-3 week period. Treatments should be made after monitoring shows a return in population, every 3-6 weeks depending on populations. Once pest population is at a tolerable level, monitor and treat as needed to keep populations to a minimum.