Origin: North and Central America
First finding in Slovenia: 2008
Pathways: brought with infected host plants; secondary spontanuous spreading
Possible to identify: year-round
Status in Slovenia: Found in the surroundings of Bled, Ljubljana, Celje, Kostanjevica na Krki, Čatež. At all these sites eradication actions are carried out. It is possibly spread in the entire Soča valley.
Similar species: Mycosphaerella pini, Cyclaneusma minus, Diplodia pinea, Lophodermium seditiosum.