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Xylella fastidiosa is a bacterium that causes rapid and widespread decline in plants. In the most severe cases, the leaves and branches may dry up and, ultimately, the entire plant may die. In many host species, the presence of the bacteria does not produce any symptoms, making detection extremely difficult. X.

Xylella fastidiosa is a bacterium that lives in the xylem of plants, preventing the normal flow of water and nutrients. It causes diseases in various economically important crops, depending on the subspecies and genetic group of the bacteria. The most characteristic symptoms are the scorched appearance of leaves and shoots.

Since its detection in mid-2006, it has been the most significant tomato pest due to damage to plants and fruit, difficulty in control, and rapid population growth.

Recommendations for treatments against red palm weevil and other palm borer pests

Paysandisia archon, a lepidopteran of the Castniidae family, is native to South America, whose larvae feed on palm trees. The first detection in Europe was in France and Italy in 1998-99. In Spain, it was first detected in Catalonia in May 2002, and in the Valencian Community in June of that same year.

This document outlines the measures to be taken against non-European tephritid species (non-European fruit flies) with the aim of preventing their emergence. Should any of the species mentioned in this National Contingency Plan appear, it is necessary to act quickly and effectively, determine their distribution, and combat them to prevent their spread.

It is a highly polyphagous and migratory pest, with significant population fluctuations. It has three generations per year, reaching its peak population in September-October.

Scirtothrips aurantii is a pest that affects various crops such as pomegranates, persimmons, citrus fruits, and table grapes. This pest was first detected in Spain in 2020, in the province of Huelva.

Cottony mildew is one of the pests that most concerns the persimmon production sector in the Valencian Community. They feed on the plant's sap, weakening it, and excrete large amounts of honeydew, on which saprophytic fungi develop, forming a characteristic black felt known as "sour patch." Fruits stained with sooty mold lose commercial quality.

The California red scale (Aonidiella aurantii) is one of the pests that most concerns the citrus sector in the Valencian Community since it depreciates the fruit's rind and, having several generations per year, reproduces exponentially throughout the campaign.

Whiteflies are among the pests of greatest concern to the persimmon production sector in the Valencian Community. Within this group of insects, the species most commonly found on persimmons are Dialeurodes citri, Paraleyrodes minei, and Aleurothrixus floccosus.

Whiteflies are the pests that have most concerned both the persimmon and citrus production sectors in the Valencian Community in recent years. Within this group of insects, the species most commonly found are Dialeurodes citri, Paraleyrodes minei, and Aleurothrixus floccosus.

The tomato (Solanum lycopersicum) is one of the most consumed vegetables worldwide, both fresh and processed. Many areas of Spain and the rest of the Mediterranean basin enjoy optimal agro-environmental conditions for its cultivation, making Spain one of the main producers of this vegetable within the European Union.

Citrus gummosis, caused by Phytophthora spp., affects the trunk and main branches of the variety (Figs. 1a and 1b). As its name suggests, it is characterized by the abundant appearance of gum on the affected tissues. If we remove the bark, we can see the internal tissues of the phloem and cambium, which have a very characteristic brown color and watery appearance (Fig. 1b).

Pulvinaria polygonata (Cockerell) is a coccid from the Coccidae family that was found in citrus groves in the Vega Baja del Segura region in 2019, marking the first record in Europe. It is present in other regions of the world, such as Australia, the East, and some countries in the eastern Palearctic zone (China, Japan, and Taiwan).

This document outlines the measures to be taken against the Guatemalan potato moth, Tecia solanivora, with the aim of preventing its appearance and, if it does appear, acting quickly and effectively, determining its distribution and combating it in order to prevent its spread and eradicate it.

This is a nocturnal moth belonging to the Gelechiidae family. It is the pest with the greatest economic impact on potato crops in the Americas. In Europe, the pest has been present in the Canary Islands since 1999, and was detected in Galicia in 2015 and Asturias in 2016.

This document sets out the measures to be taken against the bacterium Xylella fastidiosa, a priority Union quarantine pest, with the aim of preventing its emergence and, if it does appear, acting quickly and effectively, determining its distribution and implementing eradication measures.

Trioza erytreae is a pest regulated in the European Union (EU) by Commission Regulation 2019/2072 and is a major vector of the bacterium that causes Huanglongbing (HLB) or citrus greening. HLB, itself a regulated organism in the EU, deteriorates the quality and flavor of the fruit and can kill the affected tree within a few years.

This document sets out the measures to be taken against the African Citrus Psyllium insect, Trioza erytreae (Order: Hemiptera, Superfamily: Psylloidalea, Family: Triozidae), a pest included in the Union's list of quarantine pests by Regulation 2019/2072 and vector of the bacteria that causes Huanglongbing (HLB) or citrus greening.