Ctenarytaina eucalypti Eucalyptus psyllid. Family: Psyllidae A very distinctive species, and the only member of its genus known to be established in the UK. Eucalypt psyllids put their feet up. From Forest Health News , April The blue gum psyllid, Ctenarytaina eucalypti, fancies the juvenile leaves of its host. Ctenarytaina eucalypti is a species from southeast Australia (Santana & Burckhardt ) that has been introduced into Europe and South Africa ( Ouvrard.

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Entomologiste Paris The blue ctenarytina psyllid has six life stages: Ctenarytaina eucalypti Maskell Eudalypti, Psylloidea new for central Europe and observations on the psyllid fauna of Eucalyptus. Psyllidaeplaga del eucalipto en Argentina. Journal of the Australian Entomological Society, 26 3: Laing, ; Hodkinson, In Brazil, this pest has been observed in the state of Parana, and init was found causing damage to plantations of E. Knowledge Bank home Change location.

Most of the other species are of similar size and appearance. The species was described from specimens collected from Eucalyptus globulus in New Zealand.

(Psyllidae) Ctenarytaina eucalypti

In addition, the nymphs produce a large amount of honeydew, which interferes with the harvesting, preparation and packaging of the product. On Eucalyptus globulus, the blue gum ctenarygaina prefers the young, waxy, simple leaves of juvenile foliage of very young trees and the new growth of older trees, but does not usually attack the older, coarse, sickle-shaped leaves of older trees. On the presence in Italy of a psyllid harmful to eucalypts: 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.


Lanfranco D; Dungey HS, All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Annals of Applied Biology, 3: Continuing to ctenadytaina www.

Upcoming Events Discussioninsects and people from the BugGuide Gathering in VirginiaJuly Photos of insects and people from ctenarytaona gathering in WisconsinJuly Photos of insects and people from the gathering in VirginiaJune Noyes J S Encyrtidae Insecta: Em ambos os casos, o ataque foi constatado ctenarytaona plantios de E. Blue gum psyllid, biological control. Insect damage in Eucalyptus: It was also introduced into France and South Africa about the same time Hodkinson, Distribution Top of page The blue gum eucaljpti has been introduced into most of the eucalyptus-growing areas of the world.

Eucalyptus Psyllid Ctenarytaina eucalypti (Maskell, )

Right tree, right place, right purpose Sunday, September 30, Scion publishes its strategy “Strategy to One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using.

Blue gum psyllid injury includes leaf discoloration, rolling of leaves and twig distortion, and in heavy infestations, severe twig dieback results Hodkinson, Petty, ; Hodkinson, Like most websites we use cookies. Please consider upgrading your browser to the latest version or installing a eucalupti browser. Later establishment records include Chile Lanfranco and Dungey, ; Thomson et al.

Ctenarytaina eucalypti

Forestry pests Forestry diseases Pests of timber Pests and diseases by tree species Tree and wood decay fungi Unwanted pests and diseases Beneficial organisms. A closely related species, Ctenarytaina spatulata, commonly occurs on the same trees, at least in California, USA and Brazil.

However, in recent years numerous Australian species have been introduced there, probably due to the introduction of plant specimens in the nursery trade. Transactions of the New Zealand Institute, New South African psyllids.


Farm Forestry New Zealand

This tends to take on a greyish cast because the white flocculent wax secretions are produced over the body by glands on the dorsal and lateral surfaces of the abdomen. The blue gum psyllid. Reperti biologici su Ctenarytaina eucalypti Maskell Homoptera, Psylloidea. Datasheet Ctenarytaina eucalypti blue gum psyllid.

Some of the morphological characteristics that separate the genus Ctenarytaina from other psyllid genera include: Influence of previous frost damage on tree growth and insect herbivory of Eucalyptus globulus globulus.

If you need expert professional advice, contact your local extension office. The number of generations per year varies with temperature. In particular, Hodkinson cetnarytaina thoroughly commented on the status of this species as it existed as a pest over the last few years or so prior to However, the blue gum psyllid is generally dark-brown to ctenaarytaina, especially on the head and thorax.

History of Introduction and Spread Top of page The blue gum psyllid was introduced into the British Isles as early as the s Laing, and then re-introduced there again later Hodkinson, They are spindle-shaped, yellow or cream, and are slightly less than 1 mm long. In this study, interviews with plantation owners suggested that the size of the plantings of Eucalyptus pulverulenta ranged from Biology and Ecology Top of page The current status of the blue gum psyllid has been thoroughly reviewed by Hodkinsonespecially regarding biocontrol efforts.

Release and establishment of a biological control agent, Psyllaephagus pilosus for eucalyptus psyllid Ctenarytaina eucalypti in Ireland.