Needle cast (Lophodermium pinastri )

• French disease name: Rouge des pins
• Pathogen name: Lophodermium pinastri (Shrad.:Fr.) Chev.
• Kingdom: Fungi
• Phylum: Ascomycota
• Class: Leotiomycetes
• Order: Rhytismatales
• Family: Rhytismataceae
• Partial list of synonyms:
  • Hysterium pinastri Schrad.: Fr
  • Lophodermium laricis Dearn.
  • Lophodermium pinicola Tehon

Distribution

• Western Canada

Damage, symptoms and biology

Oval, black fruiting bodies scattered over dead needles, separated by shiny black, transverse lines.

Other information

In the East, L. pinastri and L. seditiosum are often confused. L. pinastri does not occur in eastern Canada.

Canadian Forest Service Publications

Needle cast (Lophodermium pinastri )

Information on host(s)

Main host(s)

• Eastern white pine
• Jack pine
• Lodgepole pine
• Pines
• Ponderosa pine
• Red pine
• Shore pine

Secondary host(s)

• Western white pine

Photos

Lophodermium sp. on lodgepole pine

Bob Erickson