Plant Parasites of Europe

leafminers, galls and fungi

Stellaria graminea

lesser stitchwort

organparasitic modestagenotetaxonomic groupparasite
leafvagrantGeometridaeEuphyia biangulata
leafvagrantThripidaeTmetothrips subapterus
leafvagrantChrysomelidaeCassida flaveola
leafvagrantChrysomelidaeGaleruca tanaceti
leafhiddenGelechiidaeCaryocolum cassella
flowerhiddenThripidaeThrips atratus
stemgallGelechiidaeCaryocolum fraternella
flowerborerCecidomyiidaeDasineura on Stellaria graminea
fruitvagrantColeophoridaeColeophora striatipennella
flowergallMicrobotryalesMicrobotryum stellariae
flowergallUrocystidalesThecaphora melandrii
leaf budgallCecidomyiidaeAmetrodiplosis duclosii
leafdownPeronosporalesPeronospora parva
leafgallAphididaeBrachycolus stellariae
leafgallEriophyidaeCecidophyopsis atrichus
leafminerAgromyzidaeAmauromyza flavifrons
leafminerColeophoridaeColeophora chalcogrammella
leafminerDrosophilidaeScaptomyza graminum
leafminerGelechiidaeCaryocolum junctella
leafminerdoubtfulGelechiidaeCaryocolum kroesmanniella
leafminerGelechiidaeCaryocolum petrophila
leafpustuleuredinia teliaPuccinialesMelampsorella caryophyllacearum
leafpustuleteliaPuccinialesPuccinia arenariae
stemgallPsyllidaeAphalara affinis
leafleaf spotCapnodialesRamularia episphaeria
stemvagrantAphididaeMacrosiphum stellariae


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 9.vii.2022