Plant Parasites of Europe

leafminers, galls and fungi

Cynoglossum creticum

synonym: Cynoglossum pictum

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Capnodiales Ramularia cynoglossi
root collar borer Cerambycidae Coptosia ganglbaueri
flower borer Cerambycidae Opsilia coerulescens
flower vagrant Tingidae Dictyla nassata
root vagrant Chrysomelidae Longitarsus exsoletus
root vagrant Chrysomelidae Longitarsus sencieri
stem borer larva Curculionidae Mogulones asperifoliarum
unknown unknown Curculionidae Mogulones cingulatus
root borer larva Curculionidae Mogulones crucifer
root borer larva Chrysomelidae Longitarsus anchusae
root vagrant Chrysomelidae Longitarsus aeneus
root vagrant Chrysomelidae Longitarsus truncatellus
root vagrant Chrysomelidae Longitarsus corynthius
root vagrant Chrysomelidae Longitarsus fuscoaeneus
root vagrant Chrysomelidae Longitarsus lateripunctatus
root vagrant Chrysomelidae Longitarsus cerinthes
root collar gall Curculionidae Pachycerus segnis
leaf down Erysiphales Golovinomyces cynoglossi
leaf leaf spot Entylomatales Entyloma cynoglossi
leaf miner Agromyzidae Agromyza abiens
leaf miner Gracillariidae Dialectica scalariella
leaf pustule aecia Pucciniales Puccinia cerinthes-agropyrina
stem gall Curculionidae Rhabdorrhynchus seriegranosus
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant summer generation Aphididae Brachycaudus helichrysi


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 18.vii.2022