1. Bracken G. K . A damage index for estimating yield loss in sunflowers caused by sunflower midge. Can. J. Plant Sci. 1990, 71:81–85.
2. Brewer G. J . 2002. Prospects for managing sunflower midge. Proceedings: 24th Annual Sunflower Research Workshop, National Sunflower Association, Bismarck, ND, 17-18 January 2002, pp. 30–38.
3. Charlet L. D . 2000. Sunflower midge: history, biology, and damage, pp. 15-21. Proceedings, 11th Great Plains Sunflower Insect Workshop, 13-14 April 2000, Fargo, ND.
4. Charlet L. D Brewer G. J . Management strategies for insect pests of sunflower in North America. Recent research developments in entomology. Trivandrum, India, Research Signpost. 1997, 215–229.
5. Charlet L. D Brewer G. J . 1998. Update on sunflower midge research, pp. 76-83. Proceedings, 20th Annual Sunflower Research Workshop, National Sunflower Association, 15-16 January 1998, Bismarck, ND.