| italy | friuli-venezia giulia autonomous region | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 8 | 0 |
| italy | veneto region | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 6 | 0 |
| slovenia | | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 3 | 0 |
| spain | andalusia | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 10 | 0 |
| spain | catalonia | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 4 | 0 |
| spain | galicia | mytilus galloprovincialis | mytilus galloprovincialis | marteilia refringens | marteilia refringens | 10 | 0 |