Plant Parasites of Europe

leafminers, galls and fungi

Amelanchier ovalis

snowy mespilus

synonym: Amelanchier rotundifolia, vulgaris; Crataegus rotundifolia

organ parasitic mode stage note taxonomic group parasite
dead wood borer Cerambycidae Glaphyra umbellatarum
dead wood borer Cerambycidae Pogonocherus hispidulus
leaf vagrant Tetranychidae Amphitetranychus viennensis
leaf miner younger larva Tortricidae Cnephasia stephensiana
leaf hidden older larva Tortricidae Cnephasia stephensiana
leaf vagrant Aphididae Aulacorthum circumflexum
leaf vagrant Noctuidae Acronicta psi
leaf vagrant Geometridae Eupithecia insigniata
leaf hidden Geometridae Pasiphila rectangulata
leaf vagrant Papilionidae Iphiclides podalirius
leaf vagrant Pieridae Aporia crataegi
leaf vagrant Zygaenidae Aglaope infausta
fruit borer Torymidae Megastigmus brevicaudis
stem borer Curculionidae Scolytus amygdali
stem borer Curculionidae Scolytus rugulosus
leaf bud hidden Thripidae Taeniothrips inconsequens
fruit borer Tenthredinidae Hoplocampa plagiata
leaf hidden Yponomeutidae Yponomeuta padella
leaf bud borer Yponomeutidae Argyresthia submontana
leaf miner Gelechiidae Recurvaria nanella
leaf vagrant Ypsolophidae Ypsolopha scabrella
leaf hidden Gelechiidae Recurvaria leucatella
leaf leaf spot Pleosporales Ascochyta amelanchieris
leaf bud gall doubtful Eriophyidae Eriophyes calycobius
fruit borer Tephritidae Anomoia purmunda
leaf bud gall Eriophyidae Eriophyes amelancheus
leaf down Erysiphales Phyllactinia mali
leaf down Erysiphales Podosphaera amelanchieris
leaf gall Aphididae Dysaphis parasorbi
leaf gall Eriophyidae Eriophyes aroniae
leaf gall Eriophyidae Eriophyes pyri
leaf gall Psyllidae Cacopsylla breviantennata
leaf miner Coleophoridae Coleophora serratella
leaf miner Coleophoridae Coleophora trigeminella
leaf miner Gracillariidae Parornix anglicella
leaf miner Gracillariidae Parornix anguliferella
leaf miner Gracillariidae Parornix ornatella
leaf miner Gracillariidae Phyllonorycter deschkai
leaf miner Gracillariidae Phyllonorycter mespilella
leaf miner Lyonetiidae Leucoptera malifoliella
leaf miner Nepticulidae Stigmella hybnerella
leaf miner doubtful Nepticulidae Stigmella magdalenae
leaf miner Nepticulidae Stigmella oxyacanthella
leaf pustule aecia Pucciniales Gymnosporangium amelanchieris
leaf pustule aecia Pucciniales Gymnosporangium clavariiforme
leaf pustule uredinia telia Pucciniales Ochropsora ariae
stem gall Santalaceae Viscum album


the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.


borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.


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The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.


Last modified 15.viii.2023