O. communa density on non-target species. Number of O. communa per plant on non-target species monitored during summer 2015. On the top of each bar is reported the number of observed plants and, in brackets, the plants with O. communa presence. Reference value of O. communa presence on A. artemisiifolia plants (n = 269, 181 with O. communa) are: 1.01 egg batches/plants: 0.69 larvae/plants, 0.21 pupae/plants, 1.99 adults/plants).

 
 
  Part of: Cardarelli E, Musacchio A, Montagnani C, Bogliani G, Citterio S, Gentili R (2018) Ambrosia artemisiifolia control in agricultural areas: effect of grassland seeding and herbivory by the exotic leaf beetle Ophraella communa. NeoBiota 38: 1-22. https://doi.org/10.3897/neobiota.38.23562