J. Kooijman

The contribution of floral resources and honeydew to the performance of predatory hoverflies (Diptera: Syrphidae).

F. Wäckers, P. Rijn, J. Kooijman, 2013 .

The impact of floral resources on syrphid performance and cabbage aphid biological control

F. Wäckers, P. Rijn, J. Kooijman, 2006 .