Reference : Characterization of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) overwintering...
Scientific congresses and symposiums : Poster
Life sciences : Entomology & pest control
http://hdl.handle.net/2268/111646
Characterization of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) overwintering sites
English
[fr] Caractérisation des sites d'hivernation d'Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae)
Fassotte, Bérénice mailto [Université de Liège - ULg > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Durieux, Delphine mailto [Université de Liège - ULg > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Haubruge, Eric mailto [Université de Liège - ULg > Services administratifs généraux > Vice-Recteur de Gembloux Agro Bio Tech >]
Verheggen, François mailto [Université de Liège - ULg > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
10-Feb-2012
90x120 cm
Yes
No
National
17th Symposium on Applied Biological Sciences
10 février 2011
Katholieke Universiteit Leuven
Leuven
Belgium
[en] Asian ladybeetles ; Aggregation ; Overwintering sites ; Dwellings ; Invasive species
[en] The invasive multicoloured Asian ladybird, Harmonia axyridis (Pallas), forms large aggregations inside dwellings to overwinter. In order to highlight the specific features of infested houses, we investigated a large number of overwintering sites in Wallonia between 2007 and 2011. These sites were characterized through a survey sent to homeowners confronted to invasion problems. The results indicate that H. axyridis preferentially selects isolated brick houses with red or white fronts to take shelter. Aggregations are mostly located at the first floor, essentially inside south or west oriented rooms. Furthermore, ladybirds generally gathered into wooden windows frames facing south or west, and to a lesser extent, in the upper corners of walls presenting the same orientation.
http://hdl.handle.net/2268/111646

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