Graphocephala confluens(GRCPCF)
Distribution details in United States of America (South Dakota)
Current pest situation evaluated by EPPO on the basis of information dated
1982: Present, no details
* McDaniel B (1982) The Leafhoppers of South Dakota and Additional Distribution Records from 18 States and Canada. Agricultural Experiment Station Technical Bulletins 62. 96 pp.
| Country | State | Status | |
|---|---|---|---|
| Canada | Present, restricted distribution | ||
| Canada | British Columbia | Present, no details | |
| Canada | Alberta | Present, no details |