Plant Parasites of Europe

leafminers, galls and fungi

genus Thapsia

organ parasitic mode stage note taxonomic group parasite
flower predator Aeolothripidae Aeolothrips intermedius
Aeolothripidae Aeolothrips tenuicornis
flower hidden Thripidae Tenothrips discolor
flower hidden Thripidae Thrips meridionalis
leaf vagrant Lasiocampidae Chondrostega vandalicia
leaf vagrant Miridae Orthocephalus saltator
leaf vagrant Pentatomidae Graphosoma italicum
leaf vagrant Miridae Pachytomella passerinii
leaf pustule aecia Pucciniales Aecidium punicum
stem borer Cerambycidae Agapanthia irrorata
stem borer Cerambycidae Parmena pubescens
stem borer Cerambycidae Parmena cruciata
unknown borer Cerambycidae Agapanthia asphodeli
root borer Buprestidae Anthaxia anatolica
stem borer Buprestidae Acmaeoderella lanuginosa
stem borer Buprestidae Acmaeoderella villosula
flower hidden Thripidae Taeniothrips picipes
flower hidden Thripidae Thrips flavus
leaf hidden Depressariidae Agonopterix thapsiella
root borer Tortricidae Aethes margarotana
leaf miner younger larva Tortricidae Cnephasia stephensiana
leaf hidden older larva Tortricidae Cnephasia stephensiana
flower hidden Elachistidae Depressaria veneficella
flower hidden Crambidae Sitochroa palealis
flower hidden Tortricidae Epinotia thapsiana
stem vagrant Ortheziidae Orthezia urticae
stem vagrant Aphididae Aphis craccivora
flower gall Cecidomyiidae Lasioptera carophila
leaf down Erysiphales Erysiphe heraclei
leaf miner Epermeniidae Epermenia aequidentellus
leaf miner Tephritidae Euleia heraclei
root collar vagrant summer generation Aphididae Anuraphis pyrilaseri
leaf pustule aecia Pucciniales Uromyces graminis
leaf vagrant summer generation Aphididae Aphis fabae
root collar vagrant summer generation Aphididae Anuraphis subterranea
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf vagrant Aphididae Aphis gossypii


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 29.ix.2023