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UMaine Cooperative Extension: Insect Pests, Ticks & Plant Diseases

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Plant Disease Images - Beech – Sooty Mold Pathogen

Scorias spongiosa

Signs/Symptoms Images

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Image Description: Close-up of pseudothecia and a pycnidium in the fungal mass

Image Description: Pseudothecium (left) and pycnidium (right)

Image Description: Apical tip of pycnidium

Image Description: Asci and ascospores

Image Description: Ascus and septate ascospores (left & middle), neck of pycnidium with single-celled conidia (right)

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University of Maine Cooperative Extension

Contact Information

UMaine Cooperative Extension: Insect Pests, Ticks & Plant Diseases
491 College Avenue
Orono, Maine 04473-1295
Phone: 207.581.3880, 800.287.0279 (in Maine) or 800.287.8957 (TDD)E-mail:
The University of Maine
Orono, Maine 04469
A Member of the University of Maine System