CTENARYTAINA EUCALYPTI PDF

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.

Author: Kigagami Goltijinn
Country: Oman
Language: English (Spanish)
Genre: Art
Published (Last): 21 March 2005
Pages: 424
PDF File Size: 3.23 Mb
ePub File Size: 5.41 Mb
ISBN: 226-6-99771-996-1
Downloads: 20428
Price: Free* [*Free Regsitration Required]
Uploader: Kezilkree

Bulletin of Entomological Research, 92 2: Proximity of two new enemies of Eucalyptus in Spain. Taylor and Burckhardt et al. On some species of Psyllidae in New Zealand. Psyllidaeplaga del eucalipto en Argentina.

In particular, Hodkinson has thoroughly commented on the status of this species as it existed as a pest over the last few years or so prior to The companies pleaded guilty to charges laid… Pre application consultation has begun for a new potential biological control introduction to control Eucalyptus tortoise beetle, Paropsis charybdis Monday, April 09, Background The Farm Forestry Association, and Scion have been collaborating for the last 5 years on a project to get eufalypti new biological control agent into New Zealand to control… New free online forest productivity calculator for small growers Sunday, March 25, A new online calculator for radiata pine and Douglas-fir productivity is now available, free of charge.

Occurrence of Ctenarytaina eucalypti Ctebarytaina Hemiptera: The blue gum psyllid, Ctenarytaina…. Insecticidal sprays were ineffective and costly. Hodkinson suggested that a second major introduction of blue gum psyllid into the British Isles occurred when eucalypts were recently ctenarttaina into Britain directly from Australia for the Liverpool Festival. Ctebarytaina Brazil, this pest has been observed in the state of Parana, and init was found causing damage to plantations of E.

  BANALITATEA RAULUI PDF

In all cases, the generations are continuous and usually overlapping, with apparently no winter diapause. This tends to take on a greyish cast because the white flocculent wax secretions eucalypi produced over the body by glands on the dorsal and lateral surfaces of the abdomen. California plant pest and disease report. The John Hopkins University Press.

Insects to the aid of eucalypts. However, Dahlsten et al. Biological control has been carried out more extensively in Europe. Reperti biologici su Ctenarytaina eucalypti Maskell Homoptera, Psylloidea.

Acclimatation sur la Cote d’Azur d’un auxiliaire prometteur, Psyllaephagus pilosus. Psyllidae and its natural enemy Psyllaephagus pilosus Noyes Hymenoptera: Description Top of page Eggs These are laid singly and randomly in crevices along the leaf petioles, usually perpendicular to the plant surface.

(Psyllidae) Ctenarytaina eucalypti

Australian Journal of Zoology, 3: Biological control of the blue gum psyllid proves economically beneficial. Continuing to use www. This is to ensure that we give you the best experience possible.

Alma A; Arzone A, Rev Chil Entomol Right tree, right place, right purpose”. Photos of insects and people from the gathering in ArizonaJuly Photos of insects and people from the gathering in Alabama Photos of insects and people from the gathering in Iowa Photos from the Workshop in Grinnell, Iowa Photos from the gathering in Washington. Bugguide is hosted by: These two species of eucalypts are commonly grown on commercial plantations for either the cut floral market or for pulpwood, as is the less-planted Eucalyptus cinerea.

Revista Chilena de Entomologia, The Guides are a joint venture between the forest sector and MPI and were initiated as… Scion strategy to Knowledge Bank home Change location. Contributors own the copyright to and are solely responsible for contributed content.

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. Burckhardt, ; EPPO, Biological control of Ctenarytaina eucalypti Hem.: Journal of the Australian Entomological Society, 26 3: Insect damage in Eucalyptus: Bol Serv Plagas 6: Fortunately the major parasite for this species is also able to survive cold conditions Hodkinson, ; Chauzat et al.

  ELASKON 30 PDF

Farm Forestry New Zealand

Environmental Entomology, 30 6: When the blue gum psyllid was introduced, heavy populations and heavy damage resulted. Title Eggs and early instar nymphs Caption Close-up of eggs and early instar nymphs of the blue gum psyllid, C. Eriopis connexa, Vespula germanica, and Camponotus distinguendus in Chile Saiz et al.

On the Psyllidae of New Zealand Homoptera. In addition, the nymphs produce a large amount of honeydew, which interferes with the harvesting, preparation and packaging of the product. A closely related species, Ctenarytaina spatulata, commonly occurs on the same trees, at least in California, USA and Brazil. Please consider a year-end gift to BugGuide! They are spindle-shaped, yellow or cream, and are slightly less than 1 mm long. However, the psyllid is also flourishing in warmer areas, particularly in the temperate areas around the Mediterranean Sea and in California, USA.

Impact Top of page The blue gum psyllid has primarily been a pest in eucalypt plantations outside Australia, where it has been introduced in the absence of natural controls. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world.

Azevedo F; Figo ML,