Black perithecia with orange, sticky ascospore masses at the apex, formed on an Ipomoea storage root.
Ascospore mass, with the characteristic hat-shaped brim visible on some of the spores.
Chalara-type endoconidia and conidiophores and the darker, thick-walled aleurioconidia typical of Thielaviopsis.
Mycelial mats of Ceratocystis fimbriata formed on the cut end of a Theobroma branch.
Cross sections of two infected stems of Platanus showing the characteristic stain caused by C. fimbriata.
Dying copice sprouts of Platanus infected with C. fimbriata. Leaf discoloration is seen on some of the dying sprouts.
Declining Coffea tree infected by C. fimbriata, showing thin crown.
Xylem discoloration in the base of a Coffea tree infected with C. fimbriata.
Xylem discoloration and canker in the stem of Prunus.
Stem of infected Theobroma showing discoloration associated with a wound.
Extruded frass from ambrosia beetles boring into Mangifera infected with C. fimbriata.
Infected wood of Theobroma and galleries made by ambrosia beetles.