Reference

Gretha Wilhelm, Hans. L. Nemeschkal, John Plant, Hannes F. Paulus (2010): Fitness components in the relationship between Rhopalapion longirostre (Olivier, 1807) (Insecta: Coleoptera: Apionidae) and Alcea rosea (Linnaeus, 1758) (Malvaceae). Analysis of infestation balance of a herbivorous weevil and its host plant – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 57: 55 - 64.