Plant Parasites of Europe

leafminers, galls and fungi

Cucumis sativus


synonym: Cucumis sativa

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Thripidae Heliothrips haemorrhoidalis
flower hidden Thripidae Frankliniella occidentalis
unknown unknown Phlaeothripidae Haplothrips minutus
flower hidden Thripidae Frankliniella occidentalis
root gall Pratylenchidae Nacobbus aberrans
leaf vagrant Coccinellidae Henosepilachna elaterii
leaf vagrant Tetranychidae Tetranychus urticae
leaf vagrant Tetranychidae Bryobia watersi
leaf vagrant Tetranychidae Tetranychus ludeni
leaf leaf spot Pleosporaceae Alternaria linariae
leaf leaf spot Pleosporales incertae sedis Phoma cucumeris
systemic pustule Sclerotiniaceae Sclerotinia sclerotiorum
leaf vagrant Miridae Halticus saltator
leaf vagrant Miridae Lygus rugulipennis
root vagrant Noctuidae Agrotis segetum
scale Diaspididae Chrysomphalus aonidum
leaf vagrant Noctuidae Autographa gamma
leaf vagrant Noctuidae Helicoverpa armigera
leaf vagrant Noctuidae Spodoptera exigua
leaf vagrant Cicadellidae Circulifer tenellus
leaf vagrant Ricaniidae Ricania japonica
flower hidden Thripidae Frankliniella intonsa
leaf vagrant Eriophyidae Aceria byersi
leaf down Erysiphales Golovinomyces bolayi
leaf scale Aleyrodidae Aleyrodes proletella
leaf scale Aleyrodidae Bemisia tabaci
leaf scale Aleyrodidae Trialeurodes vaporariorum
leaf miner Agromyzidae Chromatomyia horticola
leaf vagrant Aphididae Aulacorthum solani
leaf vagrant summer generation Aphididae Aphis fabae
systemic borer Anguinidae Ditylenchus dipsaci
leaf down Erysiphales Golovinomyces orontii
leaf down Erysiphales Leveillula taurica
leaf down Erysiphales Podosphaera xanthii
leaf down Peronosporales Pseudoperonospora cubensis
leaf leaf spot Capnodiales Cladosporium cucumerinum
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Agromyzidae Liriomyza strigata
leaf pustule aecia Pucciniales Puccinia isiacae
leaf vagrant Aphididae Aulacorthum circumflexum
root collar gall Actinomycetales Rhodococcus fascians
root borer Longidoridae Xiphinema diversicaudatum
root gall Meloidogynidae Meloidogyne hapla
leaf vagrant Aphididae Aphis gossypii
leaf vagrant Aphididae Myzus ornatus


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 5.xi.2023