Publications for:

pest = Chamaepsila rosae
country = Canada (west)

found 2 publications:

2002

Distribution and seasonal activity of adult carrot rust flies (Diptera: Psilidae)
The Canadian Entomologist (2002) 134 (5), 703-706
publishers website - pestinfo wiki

1994

Factors influencing consistency of a carrot rust fly (Diptera: Psilidae) monitoring program in British Columbia
Environmental Entomology (1994) 23 (3), 579-586
pestinfo wiki