The Morton Arb

Articles tagged black spot of elm

• June 18, 2010

  | Category: PHC Reports Archive | Tags: Mutinus caninus, Cercospora leaf spot, hollyhock rust, mosaic virus on katsura, black spot of elm, mountain-ash sawfly, Cynipid wasp gall, half-wing caterpillar feeding damage, gouty vein gall
  This issue contains details on many items including: gouty vein gall, half-wing caterpillar feeding damage, Cynipid wasp gall, mountain-ash sawfly, black spot of elm, mosaic virus on katsura, hollyhock rust, Cercospora leaf spot.Fungus of the Week:...