Plant Parasites of Europe

leafminers, galls and fungi

Phyllosticta sphaeropsoidea

Phyllosticta sphaeropsoidea Ellis & Everhart, 1883

aesculus, guignardia, leaf botch

on Aesculus

Phyllosticta sphaeropsoidea on Aesculus hippocastanum

Aesculus hippocastanum, Hungary, Mosonmagyaróvár, 15.viii.2018 © László Érsek

Phyllosticta sphaeropsoidea on Aesculus hippocastanum

leaf spot, detail

Phyllosticta sphaeropsoidea: pycnidia on Aesculus hippocastanum

numerous pycnidia

Phyllosticta sphaeropsoidea (Guignardia aesculi) on Aesculus hippocastanum

Aesculus hippocastanum, Engeland, SW Yorkshire, VC 63 © Malcolm Storey, bioImages

parasite

Leaf spots with epiphyllous pycnidia. Conidia 9-13 x 10-20 µm, with a gelatinous mantle and an apical, 6-8 µm long, tongue-shaped appendage.

host plants

Sapindaceae, monophagous

Aesculus × carnea, flava, hippocastanum, × neglecta, parviflora, pavia, turbinata.

synonyms

Botryosphaeria aesculi (Peck) Barr, 1972, Guignardia aesculi (Peck) Stewart, 1916; ? Phyllosticta paviae

references

Brandenburger (1985a: 364), Scheuer & Bechter (2012a), Jage, Kruse, Kummer, ao (2013a), Pastirčáková, Pastirčák, Celar & Shin (2009a), Talgø, Spies Perminow, Sletten ao (2012a), Wikee, Udayanga, Crous, ao (2011a).

Last modified 18.x.2022