Plant Parasites of Europe

leafminers, galls and fungi

Larix kaempferi

japanese larch

synonym: Larix japonica, leptolepis

organparasitic modestagenotetaxonomic groupparasite
leafvagrantMiridaeChlamydatus pullus
leafvagrantSphingidaeSphinx pinastri
flowerborerTorymidaeMegastigmus pictus
flowerborerEurytomidaeEurytoma laricis
flowerborerTortricidaeCydia illutana
fruitborerAnthomyiidaeStrobilomyia melania
fruitborerAnthomyiidaeStrobilomyia infrequens
leafvagrantTenthredinidaeAnoplonyx destructor
leafhiddenPamphilidaeAcantholyda laricis
leafvagrantTenthredinidaeAnoplonyx australis
leafhiddenPamphilidaeCephalcia lariciphila
leafvagrantTenthredinidaePristiphora bufo
leafvagrantTenthredinidaePristiphora wesmaeli
leafvagrantTenthredinidaePristiphora laricis
leafvagrantTenthredinidaePristiphora erichsonii
leafvagrantTenthredinidaePristiphora glauca
fruitborerAnthomyiidaeStrobilomyia laricicola
leafgallsummer generationAdelgidaeSacchiphantes viridis
leafgallsummer generationAdelgidaeAdelges laricis
leafminerColeophoridaeColeophora laricella
leafminerTortricidaeSpilonota laricana
leafpustuleaeciaPuccinialesCaeoma laricis
leafpustuleaeciaPuccinialesMelampsora caprearum
leafpustuleaeciaPuccinialesMelampsora epitea
leafpustuleaeciaPuccinialesMelampsora laricis-epitea
leafpustuleaeciaPuccinialesMelampsora laricis-populina
leafpustuleaeciaPuccinialesMelampsora laricis-tremulae
leafpustuleaeciaPuccinialesMelampsora populnea
leafpustuleaeciaPuccinialesMelampsoridium betulinum
leafpustuleaeciaPuccinialesMelampsoridium hiratsukanum
leafvagrantAphididaeCholodkovskya viridana
stemvagrantAphididaeCinara laricis
stemvagrantAphididaeCinara cuneomaculata
stemvagrantAphididaeCinara kochiana


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 11.iv.2022