1. Identity, distribution, and seasonal phenology of parasitoids of the swede midge, Contarinia nasturtii (Kieffer) (Diptera: Cecidomyiidae) in Europe
2. Barnes H. F. 1946. Gall midges of economic importance, vol. I: Gall midges of root and vegetable crops. Crosby, Lockwood & Son, London, United Kingdom.
3. (CFIA) Canadian Food Inspection Agency. 2009. RMD-08-03: Review of the pest status of the swede midge (Contarinia nasturtii) in Canada. (http://www.inspection.gc.ca/plants/plant-pests-invasive-species/directives/risk-management/rmd-08-03/eng/1304794114305/1304822057238, accessed 1 August 2016).
4. Canadian General Standards Board. 2015. Organic Production Systems – Permitted Substances Lists. CAN/CGSB-32.311, National Standard of Canada.
5. Impact of Soil Type, Moisture, and Depth on Swede Midge (Diptera: Cecidomyiidae) Pupation and Emergence