Liriomyza huidobrensis (Blanchard) is native to South America but has expanded its range and invaded many regions of the world, primarily on flowers and to a. Liriomyza huidobrensis is highly polyphagous and has been recorded from 15 plant families. Host preferences vary according to location, production practices, . There are indications that the entity known as Liriomyza huidobrensis is made up of two sibling species, one from North America, the other from.

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Environmental Entomology, 33 2: A highly polyphagous pest of ornamental and vegetable crops occasionally intercepted at UK points of entry. For this reason, the multiplex PCR method is preferable Scheffer et al.


Proceedings of the Hawaiian Entomological Society Ministerio de Agricultura y Ganaderia, Buenos Aires. Outbreaks have been largely confined to protected crops which allows for effective pest management to be implemented Baker et al. A new biotype has been found in Indonesia, Asia, the Mediterranean region and South America, and this biotype has expanded its range into southern California.

Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent, 56 2a: The average length and range of the mouthparts cephalopharyngeal skeleton in the three larval feeding instars is 0.

Consequently the literature from USA on L. Leafminers in vegetables, ornamental plants and weeds in Indonesia: Spatial and diel activity of the pea leafminer Diptera: Agromyzidaein celery. Pest intensity-crop loss relationships for the leafminer fly Liriomyza huidobrensis Blanchard in different potato Solanum tuberosum L. Agromyzidae in hhuidobrensis tomatoes in southern California. Dawah and Deeming, The first reports came from small farmers.

Liriomyza huidobrensis is native to the cool highlands of South America where it feeds on a variety of crops and wild host plants. In Peru, late maturing cultivars generally compensate for higher injury levels better than huidpbrensis maturing cultivars Mujica and Kroschel Continuous food availability by re-planting hosts crops will favor the abundance of the leafminer fly.


Liriomyza huidobrensis (serpentine leafminer)

Flies feed on the plant secretions caused by oviposition, and also on natural exudates. Distribution Maps Top of page You can pan and zoom the map. Parasitism of a leafminer in managed versus natural habitats. Molecular survey for the invasive leafminer pest Liriomyza huidobrensis Diptera: Further, the pest will develop more generations per year thus increasing its abundance and damage potential. Distribution history and current pest status South America Liriomyza huidobrensis is native to the cool highlands of South America where it feeds on a variety of crops and wild host plants.

In California, Oatman reported a similar host range, but also noted suitability of cucumber, beet, pea, lettuce and many other composites. Liriomyza huidobrensis populations tended to reach very high levels in late August or early September Martin et al. The leafminer had most likely entered Israel from Europe a year or two before the outbreak in the Jordan Valley. Invasive pests and diseases: Overwintering pupae are able to survive in cold field conditions by gradual adaptation as temperatures decline and supercooling; i.

Larvae are often easily visible within the mine where they remove the mesophyll between the surfaces of the leaf. John LaSalle for identification of parasitoids. Thus, pathways for dispersal of Liriomyza species affecting horticulture are a risk for these regions. During that survey, eight parasitoid species were observed using L. Balanced N-fertilization is important as high N-content in leaves promotes leafminer fly development.

From there it has spread within Europe, especially in the Mediterranean area and Eastern Europe, this latter region being surprising because the winters would be expected to be too cold. Muscidaea predator being studied for use in greenhouses. In more recent work by these authors, they looked at the effect of 12 different plants on the size of L.


Polymerase chain reaction-restriction fragment-length polymorphism method to distinguish Liriomyza huidobrensis from Liriomyzs. In the absence of information on the species of leafminers present in Guatemala, automatic detention by USDA PPQ for produce with any presence of leafminers was in effect prior to Salvo A; Valladares G, Toxicity of chemicals commonly used in Indonesian vegetable crops to Liriomyza huidobrensis populations and the Indonesian parasitoids Hemiptarsenus varicornisOpius sp.

Agromyzidae is a hhidobrensis invasive leafmining fly that feeds on hundreds of plant species, including many important fruit, vegetable, and flower crops. For the current climate the pest phenology model estimated 9—12 generations per year for lowland conditions of the Peruvian coast and 6—9 generations for the Andean highlands, which estimations are consistent with reported field data.

This was indeed puzzling as reports from South America consistently showed moderate to severe yield losses due to the leafminer. They also confirmed the value of pupal counts for prediction of adult numbers two weeks later. Often the mine follows the huidobrrnsis or a thick lateral vein for long distances. Bollettino di Zoologia Agraria e di Bachicoltura, 23 2: As a non-native notifiable pest species, its occurence in the United Kingdom should be notified immediately to the Plant Health and Seeds Inspectorate tel: Pnigalio soemius Walker, Western Europe Liriomyza huidobrensis has been intercepted by plant quarantine authorities since the early s.

CIP Peru Program report. Variation in cold hardiness of Liriomyza huidobrensis Diptera: