1. Adriaens T, Branquart E, Maes D (2003) The multicoloured Asian ladybird Harmonia axyridis Pallas (Coleoptera: Coccinellidae), a threat for native aphid predators in Belgium? Belg J Zool 133:195–196
2. Adriaens T, San M, Maes D (2008) Invasion history, habitat preferences and phenology of the invasive ladybird Harmonia axyridis in Belgium. Biocontrol 53:69–88
3. Aebi A, Brown PM, De Clercq P, Hautier L, Howe A, Ingels B, Ravn HP, Sloggett JJ, Zindel R, Thomas A (2011) Detecting arthropod intraguild predation in the field. Biocontrol 56:429–440
4. Alford DV (2002) Pests of ornamental trees, shrubs and flowers. Manson Publishing Ltd., London
5. Alhmedi A, Haubruge E, Francis F (2010) Intraguild interactions implicating invasive species: Harmonia axyridis as a model species. Biotechnol Agron Soc Environ 14:187–201