Distribution details in Switzerland
From NPPO: Absent, invalid record
See also EPPO Reporting Service 516/15 (1991-10-01).
EPPO Reporting Service (1992/17)
Reporting Service 525/15 of 1992-07: now considered established in southern Switzerland.
EPPO Reporting Service (1994/110) : very low densities, only in region of Lugano (Ticino canton). Swiss authorities may decide to eradicate.
EPPO Reporting Service (2010/127) : recent studies showed that all records of R. indifferens in Switzerland were based on misidentifications of R. cingulata.
* NPPO of Switzerland (1994-03, 2010-08).