Université de Neuchâtel

Detecting arthropod intraguild predation in the field

Aebi, Alexandre ; Brown, Peter M. J ; De Clercq, Patrick ; Hautier, Louis ; Howe, Andy ; Ingels, Brecht ; Ravn, Hans-Peter ; Sloggett, John J ; Zindel, Renate ; Thomas, Alison

In: BioControl, 2011, vol. 56, no. 4, p. 429-440

The process of biological control carries a distinct risk that an alien biological control agent (BCA) will become established as an invasive alien species with an associated threat to the local ecosystem biodiversity. It is imperative that a wide-ranging environmental risk assessment (ERA) is performed before the release of any BCA. This should include considering various potential but difficult...

Université de Neuchâtel

Molecular analysis of the gut contents of Harmonia axyridis (Coleoptera: Coccinellidae) as a method for detecting intra-guild predation by this species on aphidophagous predators other than coccinellids

Ingels, Brecht ; Aeby, Alexandre ; Hautier, Louis ; Van Leeuwen, Thomas ; De Clerc, Patrick

In: European Journal of Entomology, 2013, vol. 110, no. 4, p. 567-576

Several studies have demonstrated that the invasive ladybird Harmonia axyridis is a strong intra-guild predator of native species of ladybird. Laboratory studies have shown that H. axyridis can be an intra-guild predator of aphid predators other than coccinellids, including the hoverfly Episyrphus balteatus and lacewing Chrysoperla carnea. However, little is known about...