Graphiola phoenicis (Mougeot) Poiteau, 1824
Fungi, Basidiomycota, Exobasidiomycetes, Exobasidiales
on Phoenix, etc.
gall
± 2 mm large, black, pustules at either sides of the (especially older, lower) leaves. At maturity a yellow filament is extruded from the tip, where conidia are formed. This finally desintegrated, leaving a tiny black crater.
hostplants
Arecaceae, oligophagous
Phoenix canariensis, dactylifera.
Less often on other palms.
references
Ainsworth & Sampson (1950a), Brandenburger (1985a), Klenke & Scholler (2015a), Mułenko, Piątek, Wołczańska ao (2010a), Unamuno (1941b).
12/05/2017. It is now 15:02