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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The blue gum psyllid. Annals of Applied Biology, 3: Psyllidaepest of eucalyptus in Argentina.
Cavalcaselle, ; EPPO, In addition, the nymphs produce a large amount of honeydew, which interferes with the harvesting, preparation and packaging of the product. Numerous authors allude to its occasional devastating effects. Psyllidaeplaga del eucalipto en Argentina. Hodkinson lists 21 susceptible species of eucalypts in the British Isles.
Singular adults like this one found most common on the shoots, with mating pairs mostly found on the leaves. A closely related species, Ctenarytaina spatulata, commonly occurs on the same trees, at least in California, USA and Brazil. Noyes J S Encyrtidae Insecta: However, in recent years numerous Australian species have been introduced there, probably due to the introduction of plant specimens in the nursery trade.
Bugguide is hosted by: The Monterey County Farm Advisor who first collected blue gum psyllid in California in a nursery suggested that some of the affected plants may have come directly from Australia, and that possibly they were in violation of Federal and State quarantine laws.
Handbooks for the Identification of British Insects, 2 5 a: Due to this acclimatization, the psyllid has crenarytaina able to survive in some rather cold places eucalypyi Australia, notably in the British Isles Hodkinson, The psyllids encompass approximately species worldwide. Contributed by Ctenarytainx Mallory on 9 June, – 3: When the blue gum psyllid was introduced, heavy populations and heavy damage resulted.
Insect pests of eucalypts in California: In this study, interviews with plantation owners suggested that the size of the plantings of Eucalyptus pulverulenta ranged from Ferris and Klyver published keys to the New Zealand species, but no keys are available for the Australian species to date Very little upkeep was needed and few pest problems occurred before the blue gum psyllid was introduced.
Several studies have been carried out on niches occupied by the blue gum ctenarytaaina in host trees Brennan et al. In Australia, the blue gum psyllid is usually found in alpine, montane or otherwise cool to cold temperature areas Morgan, Contributors own the copyright to and are solely responsible for contributed content.
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California Agriculture, 52 1: Mitteilungen der Entomologischen Gesellschaft Basel, 48 2: Acclimatation sur la Cote d’Azur d’un auxiliaire prometteur, Psyllaephagus pilosus.
Proximity of two new enemies of Eucalyptus in Spain. The body is yellowish, but the dorsal derm consists of blue-black sclerites over most of the body.
In Brazil, this pest has been observed in the state of Parana, and init was found causing damage to plantations of E. Bol Ctdnarytaina Plagas 5: New records of jumping plant-lice from Hungary Hemiptera: Alma A; Arzone A, Contribution to the knowledge of biology, natural enemies and damage of Ctenarytaina eucalypti Homoptera: This parasitoid has been shown ctenarytina be highly efficient in controlling this psyllid species, making unnecessary the use of any other control method. The distribution in this summary table crenarytaina based on all the information available.
Laing, ; Hodkinson, The species was described from specimens collected from Eucalyptus globulus in New Zealand. Notes on Natural Enemies Top of page In California and elsewhere, the introduction of the natural enemy Psyllaephagus pilosus, an Encyrtid wasp, has resulted in the effective classical biological control of the blue gum psyllid Dahlsten et al.
When the blue gum psyllid was introduced, heavy populations and heavy damage resulted.
Detection and Ctenarjtaina Top of page Good detection methods suggest checking the young juvenile shoots on the preferred hosts for honeydew and sooty mould, along with the readily visible nymphs and their white, cottony secretions.