EUPHYLLURA OLIVINA PDF

The life stages of Euphyllura olivina include an egg, five nymphal instars, and adults (both sexes). Olive psyllids are very small insects ranging. AGRICULTURAL COMMISSIONER/WEIGHTS AND MEASURES DEPARTMENT. Olive Psyllid (Euphyllura olivina). Distribution: Olive growing regions from. Adult olive psyllid, Euphyllura olivina. Olive. Olive Psyllid. Scientific Name: Euphyllura olivina. (Reviewed 3/14, updated 3/14). In this Guideline.

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UC Management Guidelines for Olive Psyllid on Olive

Focused application of insecticides to control this pest is usually not required if the regular control oliina against the olive moth euphylluga olive fruit fly are taken. Official Journal of the International Olive Council Pests in gardens and landscapes: When nymphal colonies are on the apical parts of young shoots, sap loss is not important. Flat list – collapsed Flat list – expanded Threaded list – collapsed Threaded list – expanded Date – newest first Date – oldest first 10 comments per page 30 comments per page 50 comments per page 70 comments per page 90 comments per page Select your preferred way to display the comments and click ‘Save settings’ to activate your changes.

See our Home pageor in the U. During olive flowering and fruiting, psyllid waxy secretion cause flower and small fruit drop and yield reductions.

Females can lay up to 1, eggs during their lifespan Johnson The third generation is often unnoticed, appearing in September and October.

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How to Manage Pests

Psyllidae an occasional pest in olive. Currently, the olive psyllid is not found in Florida, but it oliviina have the potential to spread to new locations via olive tree importation.

Presently, the olive psyllid is widely distributed in San Diego County from the coast to as far inland as Valley Center and Fallbrook. The olive psyllid damages trees through direct feeding on buds, flowers, tender shoots, and small fruit and also through the production of epuhyllura, which increases sooty mold development.

Euphyllufa olive psyllids lay eggs on new shoots, leaves, and buds JohnsonZalom et al. One infested site in Carmel Valley Monterey County has been recorded. Center for Invasive Species Research. Maslinina buha – Euphyllura olivina Costa, Hemiptera: In California, psyllid populations decline after June due to the rise in temperature and populations do not recover until the following spring Zalom et al.

The World Psylloidea Database.

Due to its recent introduction, natural enemies feeding on olive psyllid have not been studied, but efforts are underway to identify olicina natural enemies in California. Plant suckers shoots at the base euphylluar the tree, if they have not been removed, should be inspected for olive psyllids M.

Ferguson, Pomology, UC Davis. It is unclear at this time whether the distribution of Euphyllura olivina will significantly expand beyond San Diego and Orange Counties. Click the contributor’s name for licensing and usage information.

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Additionally, olive psyllids tend to select healthy hosts over unhealthy hosts M. Feeding in this manner reduces nutrients that are essential for tree development and fruit production. Nymphs are flat, green to tan, and secrete a white waxy coating that covers the entire colony.

Dedicated naturalists volunteer their time and resources here to provide this service. Adult males live between 24 and 44 days and females live between 26 and 50 days Meftah et al. Psyllid activity is closely linked to the plant growth status and climatic conditions. Methods of monitoring include using sticky traps, agitating foliage to count fallen adults, and careful inspection of plant parts for eggs, nymphs, and adults Kabashima et al.

Even though the second generation causes the most damage, reducing the population size of first generation will help to keep the second generation small.

Infested trees are contaminated with masses of wax and sticky honeydew upon which sooty moulds develop produced by larvae. Of special importance is evaluating the ability of Euphyllura olivina to survive summer temperatures in the inland valleys.

Honeydew, also produced by nymphs and adults, can lead to sooty mold development on the surface of the host plant Johnson Psyllids are related to aphids, mealybugs, scales, leafhoppers, and sharpshooters.