DIGITALNA ARHIVA ŠUMARSKOG LISTA
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| ŠUMARSKI LIST 13/2011 str. 273 <-- 273 --> PDF |
Šumarski list – Posebni broj (2011), 264-271 The research has lasted for 5 years (2006 to 2010) and potential host plants in continental, submediterranean and mediterranean parts of Croatia were researched. For each invasive species found a prognosis for their future spread and damages is given according to their biology, ecology, researches on natural enemies and data from the literature. Seven (7) insects species from the orders Lepidoptera, Hymenoptera, Diptera and Hemiptera were found and they can be cosidered as alien or invasive species in Croatian forest ecosystems (Table 1). For each insect species a host plant, locality where the insect was found and prognosis of damage on the scale from 1 to 4 (1-no influence on host plant, 4-serious forest pest) is given. Parectopa robiniella, Phyllonorycter robiniella, Phyllonorycter issiki, Obolodiplosis robiniae, Leptoglossus occidentalis, Metcalfa pruinosa, Dryocosmus kuriphilusare alien or invasive insects established in Croatian forests. Introduction and spread of these species and their intensity of occurence has been very similar to the same pattern of spread and occurence in other Euro- paean countries. Several other invasive species on woody ornamental plants in urban areas have also been recorded in Croatia: Phyllonorycter leucographella, Dasineura gleditchiae,Argyresthia thuiella, Cameraria ohridella, Anoplophora chinensis. Knowledge on insect origin, biology, ecology, pathways of introduction and spreading are very important for providing pest risk analysis and making relevant prognosis of dangers that a new pest is posing for forest ecosystems. Key words:Parectopa robiniella, Phyllonorycter robiniella, Phyllonorycter issiki, Obolodiplosis robiniae, Leptoglossus occidentalis, Metcalfa pruinosa, Dryocosmus kuriphilus,damage |