16 Apr Abstract. Bactericera (Paratrioza) cockerelli (Šulc) (Hemiptera: Triozidae) is a native American psyllid species that was first reported in New. Bactericera cockerelli is found primarily on plants within the family Solanaceae. It attacks, reproduces, and develops on a variety of cultivated and weedy plant. General information about Bactericera cockerelli (PARZCO).

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While this has proven effective in temperate climes, mineral oil photo-degrades under ultraviolet light Hodgkinson et al.

Triozidae and tomato in the United States Hansen et al. In the same year, Murray and Schleifer proposed the category Candidatus for unculturable bacteria that could only be identified by a limited number of characteristics.

Studies upon the Morphology of Paratrioza cockerelli Sulc. Summary of Invasiveness Top of page B. The cockerellli above-ground plant symptoms of infestation by B. This is called honeydew. Ferguson and Shipp, ; Ferguson et al. In North America, B.

However, the tomato potato psyllid is the only psyllid species in New Coc,erelli that breeds on kumara. Initially, the nymphs are orange, but they become yellowish-green and then green as they mature. The two pairs of transparent wings are held over their abdomen.

Tomato potato psyllid eggs can be distinguished from greenhouse whitefly eggs, which are cream coloured when first laid and then turn black. The bacterium, Candidatus Liberibacter solanacearum lives in the phloem of host plants and is transmitted by psyllids. Phytoplasma disease transmission A phytoplasma baactericera caused by Candidatus Phytoplasma australiense may be transmitted to potato crops by its primary vector, Zeoliarus opposites Walker,Hemiptera: Coccinellidae on a lettuce leaf.


EPPO Global Database

Generate a print friendly version containing only the sections you need. A USA study on potatoes showed that if the psyllids are free from the bacterium, the plants will recover when the bctericera are removed. Hypocreales and Tamarixia triozae Burks Hymenoptera: Richards BL;January.

John Anderson for information about the effect of the bacterium bactericfra quality of potato tubers. Psyllid yellows of the Potato. Eggs hatch days after oviposition Pletsch, ; Wallis, ; Capinera, ; Abdullah, As its name suggests, it is commonly found on potato and tomato crops, but has a species range that encompasses over 40 species of solanaceous plants and as many as 20 genera.

New prey records of the predatory native Miridae Sejanus albisignatus and Romna nigrovenosa Hemiptera. One such method may be the utilization of in planta RNA interference RNAiwhere insects can suffer high mortality when feeding on plants producing RNAi constructs targeting essential insect genes.

Eulophidae parasitoid 5 adventive Adalia bipunctata Linnaeus, Two-spotted cocekrelli Beetle Coleoptera: Vertical transmission of Ca. Adults have been shown to migrate en masse to northern western states of the United States and southern Canadian provinces in the spring from the insect overwintering sites in the southwestern United States and northern Mexico a distance of several hundred kilometers.

Check the plants you purchase are free of psyllids and other pests. However, the data by Monger and Jeffries show that haplotype C, D, and E of the pathogen were present long before they became an economic problem. Various management strategies can be used, encompassing the principal components of integrated pest management; cultural, biological, and chemical control.

Triozidae density on zebra chip potato disease incidence, potato yield, and tuber processing quality.

Bactericera cockerelli — Vikipēdija

Coccinellidaeabout 5 mm long. Psyllid Species Associated With Ca. Orius tristicolor Bacteicera Hemiptera: Solanaceae 3 naturalised Christmas cherry, Jerusalem cherry, Madeira winter cherry, Winter cherry Solanum badtericera L.


The male has a complex apparatus at the tip of the abdomen that is used for grasping the female during mating. Field experiments showed seasonal differences in abundance of predators, with greatest abundance in spring and early summer Walker et al. Recent outbreaks of B. Burckhardt D; Lauterer P, Linyphiidae will feed on tomato potato psyllid adults and nymphs and two species of predatory mites, Anystis baccarum Linnaeus, Prostigmata: Use and cost of insecticides to control potato psyllids and zebra chip on potatoes.

Bactericera cockerelli (tomato/potato psyllid)

Solanaceae in potato growing regions of Washington, Idaho, and Oregon. However, not all tomato potato psyllids carry the bacterium. Understanding vector—pathogen—plant host interactions is a critical step towards effective vector management.

Update History 1 June Information on products used to control B. This information is essential, especially for pest management purposes. First report of zebra chip and ‘Candidatus Liberibacter solanacearum’ on potatoes in Nicaragua.

A laboratory study on potato in New Zealand showed that mineral oils were highly repellent to adult B. Parasitoids No parasitoid has been found on wild Tomato potato psyllids, but one species of parasitoid wasp Hymenoptera has parasitized tomato potato psyllid nymphs in captivity. In New Zealand there are to generations per year in the Auckland region.

However, if the bacterium, Candidatus Liberibacter solanacearum infects a plant, the disease symptoms persist even when the psyllids are removed. Naturally occurring predators of Bactericera cockerelli in potatoes.