organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
leaf | vagrant | Lygaeidae | Nysius immunis | ||
root | scale | Diaspididae | Rhizaspidiotus canariensis | ||
stem | scale | Pseudococcidae | Pseudococcus aridorum | ||
stem | scale | Coccidae | Ceroplastes rusci | ||
stem | borer | Curculionidae | Liparthrum canum | ||
unknown | unknown | Curculionidae | Cyphocleonus armitagei | ||
leaf | vagrant | Kinnaridae | Kinnoccia chromata | ||
leaf | vagrant | Cicadellidae | Sophonia orientalis | ||
leaf | vagrant | Cicadellidae | Empoasca fabalis | ||
leaf | vagrant | Cicadellidae | Asianidia chrysanthemi | ||
leaf | vagrant | Cicadellidae | Empoasca fabalis | ||
flower | borer | Tephritidae | Campiglossa multimaculosa | ||
unknown | unknown | Tephritidae | Campiglossa duplex | ||
unknown | unknown | Tephritidae | Campiglossa reticulata | ||
flower | hidden | Tephritidae | Campiglossa valida | ||
unknown | unknown | doubtful | Tortricidae | Cochylimorpha decolorella | |
leaf | miner | younger larva | Tortricidae | Cnephasia longana | |
flower | hidden | older larva | Tortricidae | Cnephasia longana | |
unknown | borer | larva | Apionidae | Diplapion westwoodi | |
stem | scale | Coccidae | Saissetia oleae | ||
unknown | vagrant | Aphididae | Acyrthosiphon ilka | ||
leaf | vagrant | Aphididae | Macrosiphum euphorbiae | ||
leaf | vagrant | summer generation | Aphididae | Myzus persicae | |
leaf | vagrant | summer generation | Aphididae | Aphis fabae | |
leaf | vagrant | Aphididae | Aphis gossypii | ||
leaf | down | Erysiphales | Golovinomyces cichoracearum | ||
leaf | down | Erysiphales | Golovinomyces macrocarpus | ||
leaf | down | Erysiphales | Golovinomyces orontii | ||
leaf | down | Peronosporales | Paraperonospora leptosperma | ||
leaf | down | Peronosporales | Peronospora radii | ||
leaf | miner | Bucculatricidae | Bucculatrix chrysanthemella | ||
leaf | pustule | uredinia telia | Pucciniales | Puccinia chrysanthemi | |
leaf | pustule | telia | Pucciniales | Puccinia heeringiana | |
stem | gall | Rhizobiales | Agrobacterium tumefaciens | ||
leaf | vagrant | summer generation | Aphididae | Brachycaudus helichrysi | |
leaf | vagrant | Aphididae | Macrosiphoniella tapuskae | ||
leaf | vagrant | Aphididae | Macrosiphoniella oblonga | ||
leaf | vagrant | Aphididae | Macrosiphoniella sanborni |
Organ
the part of the plant that most conspicuously is hit by the parasiteall 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.
PARASITIC MODE
borer: larva living internally, almost no outwards signsdown: 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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IMPORTANT
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 24.iv.2022