engleski

Insect pests on urban greenery in Croatia

Introduction: Urban greenery in is attacked by different insects species. Large population of those pests usually provoke important damages on urban greenery and decrease their ecological, esthetical and other functions. Methods: The pests of the most importance Croatia (Aesculus hippocastanum, Platanus spp., Rosa spp., Acer spp., Buxus spp., Quercus spp. and Robinia pseudoacacia) were researched in Zagreb and Sisak in period 2004-2007. The plant parts with symptoms of attack were evaluated in the laboratories where the pests were identified. The damages provoked by those insects were recorded and systematized. Results: Damages on those plants were present each year. High populations of Cameraria ohridella were recorded each year on leaves of horse chestnuts and high populations of Corythuca ciliata and Phyllonorycter platani on plane trees. Aphids and some other insects attacked different species of roses and maple. Since 2005, total damages on leaves made by Apethymus abdominalis were recorded on many oaks. Small popultions of Monarthoplpus buxi ussusaly attack Buxus spp.Two diffrent Gracilariidae species (Phyllonorycter robiniella and Parectopa robiniella) harms the black locust. Conclusions: Each year high population of different insects provoke large damages on urban greenery. Such large populations must to be controlled by different insecticides.

Cameraria ohridella; Corythuca ciliata; Phyllonorycter

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