Université de Fribourg

Assessing the ecological risk posed by a recently established invasive alien predator: Harmonia axyridis as a case study

Kenis, Marc ; Adriaens, Tim ; Brown, Peter M. J. ; Katsanis, Angelos ; Martin, Gilles San ; Branquart, Etienne ; Maes, Dirk ; Eschen, René ; Zindel, Renate ; Vlaenderen, Johan Van ; Babendreier, Dirk ; Roy, Helen E. ; Hautier, Louis ; Poland, Remy L.

In: BioControl, 2017, vol. 62, no. 3, p. 341–354

Invasive alien predators are a serious threat to biodiversity worldwide. However, there is no generic method for assessing which local species are most at risk following the invasion of a new predator. The harlequin ladybird, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae), is an alien in Europe and many other parts of the world where it affects other species of ladybirds through...

Université de Neuchâtel

Parasitism of non-target lepidoptera by mass released Trichogramma brassicae and its implication for the larval parasitoid Lydella thompsoni

Kuske, Stefan ; Babendreier, Dirk ; Edwards, Peter ; Turlings, Ted C. J. ; Bigler, Franz

In: BioControl, 2004, vol. 49, no. 1, p. 1-19

The release of high numbers of the eggparasitoid Trichogramma brassicae Bezd.(Hym. Trichogrammatidae) to control the European corn borer (ECB), Ostrinianubilalis Hb. (Lep.: Crambidae) in maize hasraised concerns about potential negativeeffects on native natural enemies. The nativelarval parasitoid Lydella thompsoni Herting (Dipt.: Tachinidae) is the most frequent and...