Université de Neuchâtel

Predation of native coccinellids by the invasive alien Harmonia axyridis (Coleoptera: Coccinellidae): detection in Britain by PCR-based gut analysis

Thomas, Alison P ; Trotman, Jamie ; Wheatley, Angela ; Aebi, Alexandre ; Zindel, Renate ; Brown, Peter M.J

In: Insect conservation and diversity, 2013, vol. 6, no. 1, p. 20-27

1. The harlequin ladybird, Harmonia axyridis, is an invasive alien species that arrived in Britain in 2003 and has spread across most of the country. 2. This spread has been accompanied by a decline in some native coccinellid species, in particular, the two spot ladybird Adalia bipunctata and the ten spot ladybird Adalia decempunctata. One reason for this decline...