organ parasitic mode stage note taxonomic group parasite
flower vagrant Pterophoridae Merrifieldia tridactyla
leaf hidden Crambidae Pyrausta aurata
leaf hidden Pyralidae Moitrelia obductella
leaf hidden Elachistidae Depressaria pulcherrimella
leaf hidden Tortricidae Clepsis senecionana
leaf hidden Tortricidae Argyrotaenia ljungiana
flower borer Pterophoridae Amblyptilia acanthadactyla
root collar borer larva Apionidae Squamapion flavimanum
stem gall Apionidae Squamapion alpinum
leaf vagrant summer generation rarely Aphididae Cryptomyzus heinzei
leaf miner Agromyzidae Chromatomyia horticola
root borer Sesiidae Chamaesphecia aerifrons
leaf miner Chrysomelidae Dibolia occultans
stem miner Agromyzidae Ophiomyia labiatarum
leaf vagrant Aphididae Myzus ornatus
leaf vagrant Aphididae Aphis gossypii
leaf vagrant Aphididae Aphis clinopodii
flower gall Cecidomyiidae Asphondylia calaminthae
leaf down Erysiphales Neoërysiphe galeopsidis
leaf down Peronosporales Peronospora calaminthae
leaf miner Agromyzidae Phytomyza nepetae
leaf miner Agromyzidae Phytomyza obscura
leaf miner Buprestidae Habroloma triangulare
leaf miner Chrysomelidae Apteropeda globosa
leaf miner Chrysomelidae Apteropeda orbiculata
leaf miner Chrysomelidae Dibolia depressiuscula
leaf miner Coleophoridae Coleophora albitarsella
leaf miner Elachistidae Stephensia brunnichella
leaf miner Elachistidae Stephensia cedronellae
leaf miner Nepticulidae Glaucolepis saturejae
leaf miner Psychidae Apterona helicoidella
leaf pustule Chytridiales Synchytrium aureum
leaf pustule Chytridiales Synchytrium globosum
leaf pustule aecia uredinia telia Pucciniales Puccinia menthae
leaf vagrant Eriophyidae Aculops clinopodii
leaf vagrant Eriophyidae Aculops hamatus
stem borer Agromyzidae Ophiomyia curvipalpis
stem gall doubtful Apionidae Squamapion vicinum
stem gall Asterolecaniidae Planchonia arabidis
leaf vagrant Aphididae Ovatomyzus boraginacearum
leaf vagrant Aphididae Ovatomyzus chamaedrys
stem vagrant Aphididae Aphis calaminthae
leaf vagrant summer generation Aphididae Aphis frangulae
leaf gall Aphididae Aphis origani


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.


mod 4.i.2020