CINARA CUPRESSI PDF

Cinara cupressi is a brownish soft-bodied insect classified as an aphid. It has been discovered around the world feeding on various trees from. THE EFFICACY OF TREATMENTS WITH WATER EXTRACTS ON Cinara cupressi (Buckton). Conference Paper (PDF Available) ยท August with 34 Reads. Cypress aphid. Cinara cupressi. Cypress aphid | Cinara cupressi. Common name: Cypress aphid. Scientific name: Cinara cupressi. Alternative common names.

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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. One species particularly susceptible to damage by the aphids is Cupressus lusitanicawhich is widely grown in Kenya as a plantation crop. Part of the evidence supporting the separation of this population was the host-plant preferences.

Cypress aphid is a brownish, soft-bodied insect with blackish markings diverging back from the thorax, often with a grey, waxy coating. Lachnidae when bred under laboratory condition. Variation of cypress aphid Cinara cupressi Buckton attack on the family Cupressaceae.

It is on the list of the world’s most invasive species. Distribution Top of page The likely composite character of C. The rostrum is relatively short, although that of the fourth instar nymph first image below is longer in relation to body length than that of the adult.

Adults and juveniles are well camouflaged against tree bark. Click on the name for additional informations. The excess fluid sucked by the aphids is secreted by the aphids as honeydewon which sooty mould often develops, and which attracts ants. As cooler weather approaches, both males and females are found, and eggs are produced instead of live nymphs.

Binazzi, ; Binazzi et al.

Cinara cupressi – Wikipedia

Ants feed on a sugary substance produced by Cinara cupressi and contribute to their diffusion by transferring them from one part of the tree to another, thus creating new areas of infestation. Annali – Accademia Italiana di Scienze Forestali, What Does The Law Say?

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History of Introduction and Spread Top of page The following dates of introduction relate to the countries where the aphids have been reported as causing significant damage or as recent introductions. At least one of the populations within C. Examples of natural enemies that may be explored for use as biocontrol agents are Pauesis cupressobii and P.

It damages commercial and ornamental plantings. Additional species of Aphidoidea in Israel. The authors found that damage decreased over the period of the study.

The subgenus Cupressobium Hemiptera, Aphididae, Lachninae. Cinara sabinae on Juniperus sabina from Arizona, Colorado and Utah; Cinara canadensis on Juniperus virginiana from Ontario; and Cinara cupressi Buckton on Cupressaceae, possibly originating from California Watson et al. The saliva they produce is phytotoxic and leads to necrosis in the phloem which subsequently results in the twig withering see pictures below.

Cypress aphid Cinara cupressi. Countries or multi-country features with distribution records for Cinara cupressi. The aphid Cinara cupressi on the Mexican cypress, Cupressus lusitanica. Further observations on the biology and ecology of the cypress aphid Cinara Cupressobium cupressi Buckton in Tuscany I Lachninae. Ciesla, ; Watson et al. Close Find out more. At the beginning of the summer, when the temperature rises cuprezsi the infestation is at its height, the sap cannot get to its destination the apex of the cuppressi because of the necrosis of its conducting tissues.

In the genus Cupressus, the most cupresxi species cjnara Cupressus torulosa, Cupressus funebris and Cupressus arizonica, whereas the most susceptible were Cupressus benthamii [Cupressus lusitanica var.

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Biogeography of the Cinara cupressi complex Hemiptera: Means of Movement and Dispersal Top cimara page The natural dispersal of cypress aphids is through the flight of the winged forms, which are produced a few times each year in response to overcrowding and environmental cues Kairo and Murphy, Survey for aphid species in Libya.

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Consequently they would cinaara very difficult to reach using topical applications of insecticides. Cypress aphid Scientific name: Lachnus juniperinus on Juniperus communis and Thuja occidentalis was described from Poland, but all these species have since been synonymised with C.

Their multivariate analysis also demonstrated that Cinara sabinae might be partially identifiable using morphology. It was suggested that one cycle of selection might yield a resistant population. They suggested that it probably originated on Cupressus sempervirens in an area between eastern Greece and just south of the Caspian sea Watson cupeessi al.

Observations on the impact of infestation on different tree species in the arboretum indicated that there is a wide range of tolerance between different species Obiri, Annals of Applied Biology, 1: It may be undertaken in hedges or ornamental trees, but is impracticable for large trees, in forests and plantations. The author states that for the treatments to succeed, the first aphid colonies that settle on the tree after hibernation this takes place by the month of March in Italy should be primarily targeted.

In warm regions such as Africa, the aphid does not overwinter as an egg; instead parthenogenetic reproduction continues all year.

Cypress and juniper aphids. A subsequent study found that selection for resistance to aphid damage was unlikely to have adverse effects on economically important traits such as the height and diameter of the trunk Kamunya et al.

The aphids are very difficult to see and can easily be missed at quarantine inspection unless the inspector is alerted to their possible presence. Further details cupresi be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

The population since described as Cinara cupressivora has been recorded causing damage in Colombia and Mauritius Watson et al.