Plant Parasites of Europe

leafminers, galls and fungi

Linum usitatissimum

flax

organ parasitic mode stage note taxonomic group parasite
flower hidden Thripidae Isoneurothrips australis
flower predator Aeolothripidae Aeolothrips collaris
flower hidden Thripidae Thrips meridionalis
flower hidden Thripidae Tenothrips frici
flower predator Phlaeothripidae Haplothrips reuteri
unknown unknown Phlaeothripidae Haplothrips plantaginis
flower predator Phlaeothripidae Haplothrips setigeriformis
flower hidden Aeolothripidae Melanthrips pallidior
flower hidden Thripidae Frankliniella occidentalis
flower predator Aeolothripidae Aeolothrips intermedius
leaf hidden Thripidae Thrips tabaci
flower hidden Thripidae Frankliniella intonsa
flower hidden Thripidae Frankliniella tenuicornis
flower hidden Thripidae Chirothrips manicatus
stem vagrant Thripidae Limothrips denticornis
flower hidden Thripidae Limothrips cerealium
leaf vagrant Phlaeothripidae Haplothrips aculeatus
flower hidden Thripidae Thrips atratus
leaf hidden Thripidae Anaphothrips obscurus
flower hidden Phlaeothripidae Haplothrips setiger
leaf vagrant Thripidae Thrips major
flower hidden Thripidae Odontothrips loti
leaf vagrant Thripidae Thrips fuscipennis
flower hidden Thripidae Thrips physapus
flower hidden Thripidae Thrips trehernei
leaf vagrant Thripidae Stenothrips graminum
flower hidden Thripidae Thrips flavus
flower hidden Thripidae Neohydatothrips gracilicornis
leaf vagrant Phlaeothripidae Cephalothrips monilicornis
flower hidden Phlaeothripidae Haplothrips propinquus
flower hidden Thripidae Oxythrips ajugae
flower hidden Phlaeothripidae Haplothrips alpester
flower hidden Thripidae Odontothrips melioti
flower predator Phlaeothripidae Haplothrips angusticornis
stem borer Cerambycidae Phytoecia caerulea
leaf leaf spot Phyllostictaceae Phyllosticta lini
leaf vagrant Noctuidae Heliothis ononis
leaf vagrant Noctuidae Autographa gamma
leaf vagrant Noctuidae Spodoptera exigua
leaf vagrant Tingidae Lasiacantha gracilis
root vagrant Chrysomelidae Longitarsus parvulus
root vagrant Chrysomelidae Aphthona euphorbiae
leaf vagrant Thripidae Thrips linarius
leaf hidden Thripidae Thrips angusticeps
fruit borer Tortricidae Cochylis epilinana
flower hidden Thripidae Thrips nigropilosus
leaf miner Agromyzidae Chromatomyia horticola
systemic borer Anguinidae Ditylenchus dipsaci
leaf bud gall Cecidomyiidae Dasineura sampaina
leaf down Erysiphales Golovinomyces orontii
leaf down Erysiphales Leveillula taurica
leaf down Erysiphales Podosphaera lini
leaf leaf spot Entylomatales Entyloma lini
leaf miner Agromyzidae Liriomyza strigata
leaf miner Agromyzidae Liriomyza xanthocera
leaf miner Psychidae Apterona helicoidella
leaf pustule aecia uredinia telia Pucciniales Melampsora liniperda
root gall Meloidogynidae Meloidogyne hapla

Organ

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.

PARASITIC MODE

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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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 12.xi.2023