1. Australian Government Bureau of Meteorology Climate averages Available from:http://www.bom.gov.au/climate/averages/(accessed July 2009) .
2. The Ecology of Pierid Butterflies: Dynamics and Interactions
3. Cullen , J.M. , Moore , A.D. 1981 , ‘Preliminary Observations onLongitarsus jacobaeaeIntroduced for the Control of Ragwort in Australia’ , In Proceedings of the V International Symposium on Biological Control of Weeds Brisbane Australia S. Delfosse R.R. Scott 499 505 .
4. Delpachitra , N.D. 1991 , ‘Some Aspects of the Biology of the Ragwort Flea Beetle,Longitarsus jacobaeaeRelating to its Role as a Biological Control Agent in New Zealand’ , MSc dissertation, Lincoln University, Canterbury, New Zealand
5. Longitarsus jacobaeae (Coleoptera: Chrysomelidae), a Flea Beetle for the Biological Control of Tansy Ragwort. Ii. Life History of a Swiss Biotype2