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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We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. These types of losses have not been reported in California.

Although Euphyllura olivina is common in many olive growing areas in the Mediterranean and Middle East, little is known about its biology in ooivina areas, and its distribution in California is not certain.

The adults overwinter on the host. Adult olive psyllid, Euphyllura olivina Costa. Nymphs secrete a sticky wax similar to that produced by mealybugswhich accumulates on the foliage and stimulates premature flower drop.

Insecticides, should they become necessary, are best used before olive psyllids begin producing their waxy secretions, which can provide protection from chemicals Zalom et al. Euphyllura olivine, the olive psyllid, was discovered in July in the California counties of San Diego and Orange and positively identified in September Likewise, nothing has been reported on natural enemies e.

The adults are about 2.

Agro technical measures to reduce the pest populations and damage to the olives include quality pruning, suckers and watersprouts removal during summer and autumn-winter period, dense planting avoidance, optimum fertilization by nitrogen fertilizers and selection of an appropriate olive pruning system.

Photos of insects and people from the gathering in ArizonaJuly Photos of insects and people from the gathering in Alabama Photos of insects and people from the gathering in Iowa Photos from the Workshop in Grinnell, Iowa Photos eupgyllura the gathering in Washington.


CISR: Olive Psyllid

If Euphyllura olivine is able to establish in the Central Valley, it may be a significant problem for commercial olive producers as well.

Additionally the accumulation of waxy secretions from olive psyllids may reduce yield by causing premature flower drop Johnson et al. Some general predators e. Official Journal of the International Olive Council Host plants need to be monitored for olive psyllid euphjllura to prevent infestations from establishing in new locations. Researchers in California plan to evaluate whether the mealybug destroyer and the green lacewing will be able to control infestations Johnson Plant suckers shoots at the base of the tree, if they have not been removed, should be inspected for olive psyllids M.

Llivina is hosted by: Adult olive psyllids are dull green to gray euphyyllura color with slightly black-mottled forewings. Please consider a year-end gift to BugGuide! This only becomes a problem when olive psyllids are on inflorescences flower clusterswhich ultimately ruphyllura fruit production.

Nymphs Figures 4 and 5 have a flattened, light green and white body and reddish-purple eyes. Maslinina buha – Euphyllura olivina Costa, Hemiptera: Contributors own the copyright to and are solely responsible for contributed content.

EPPO Global Database

Appraising the threat of olive psyllid to California table olives. Olive psyllids are very small insects ranging from 0. The first generation feeds as nymphs beginning in March Alford Olive psyllid, Euphyllura olivina Costanymphs on olive stem.

Euphyllura olivina Costa Hemiptera: Integrated pest management for home gardeners and landscape professionals.

olive psyllid – Euphyllura olivina

Surveys to date in California indicate that Euphyllura eupgyllura is limited to the areas from Huntington Beach, Newport Beach and Irvine all in Orange County in the north to the city of San Diego in the south. Olive psyllid feeds on olive, Russian olive Elaeagnus angustifolia and mock privet Phillyrea latifolia. There are five nymphal stages 0. 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.

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During olive flowering and fruiting, psyllid waxy secretion cause flower and small fruit drop and yield reductions.

Efforts were made to establish colonies of one parasitoid collected in Spain, but these were unsuccessful. Of special importance is evaluating the ability of Euphyllura olivina to survive summer temperatures in the inland valleys. The accumulation of sooty mold can possibly be a problem on olive trees. Contributed by Alex Bairstow on 21 May, – 5: Females lay eggs on the new shoots and buds, with a single female able to lay eggs or more.

When colonies are on inflorescences, the level of sap loss is directly proportional to psyllid numbers and this could affect the amount of fruit that is set. They are found in the Mediterranean Basin and the Middle East. The eggs, which euphylluga one to two weeks to hatch Alfordare oval in shape, light yellow, and about 0.

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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. Additionally, olive psyllid may be able to impact the production of olive oil if it can expand its eu;hyllura distribution along the cooler California coast, where significant amounts of oil are produced.

In southern California, psyllid numbers decline after June, most likely because it is hot. Three insect species are commonly referred to as the olive eyphyllura