organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
leaf | vagrant | Cicadellidae | Rosenus laciniatus | ||
leaf | vagrant | Douglasiidae | Tinagma dryadis | ||
leaf | vagrant | Gelechiidae | Sophronia gelidella | ||
leaf | vagrant | Tenthredinidae | Empria alpina | ||
leaf | hidden | Tortricidae | Ancylis comptana | ||
unknown | unknown | Gelechiidae | Aristotelia heliacella | ||
leaf | hidden | Tortricidae | Epinotia mercuriana | ||
unknown | unknown | doubtful | Tortricidae | Argyroploce noricana | |
leaf bud | hidden | doubtful | Tortricidae | Cnephasia conspersana | |
leaf bud | hidden | doubtful | Tortricidae | Cnephasia conspersana | |
leaf | hidden | Tortricidae | Acleris aspersana | ||
leaf | hidden | Tortricidae | Argyrotaenia ljungiana | ||
leaf | hidden | Tortricidae | Aphelia viburniana | ||
leaf | vagrant | Eriophyidae | Phyllocoptes lakusici | ||
leaf | vagrant | Eriophyidae | Eriophyes dryadis | ||
unknown | borer | larva | Curculionidae | Anthonomus brunnipennis | |
leaf | down | Erysiphales | Podosphaera volkartii | ||
leaf | leaf spot | Phyllachorales | Isothea rhytismoides | ||
leaf | miner | Coleophoridae | Coleophora derasofasciella | ||
leaf | miner | Coleophoridae | Coleophora nubivagella | ||
leaf | miner | Coleophoridae | Coleophora unigenella | ||
leaf | miner | Gracillariidae | Parornix alpicola | ||
leaf | miner | Nepticulidae | Stigmella dryadella | ||
leaf | pustule | Chytridiales | Synchytrium cupulatum | ||
leaf | vagrant | Aphididae | Acyrthosiphon svalbardicum | ||
root | gall | Actinomycetales | Frankia dryadis | ||
unknown | unknown | doubtful | Nepticulidae | Stigmella tatrica | |
leaf | vagrant | Aphididae | Acyrthosiphon brevicorne |
Organ
the part of the plant that most conspicuously is hit by the parasiteall 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.
PARASITIC MODE
borer: larva living internally, almost no outwards signsdown: 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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IMPORTANT
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 27.i.2021