scented marigold

synonym: Chamomilla recutita; Matricaria recutita, suaveolens L.

organ parasitic mode stage note taxonomic group parasite
stem borer Tortricidae Cochylidia implicitana
flower vagrant Tortricidae Aethes margaritana
flower vagrant Eriophyidae Aceria matricariae
stem borer Syrphidae Cheilosia vernalis
stem borer larva Curculionidae Microplontus melanostigma
flower borer larva Curculionidae Pseudostyphlus pillumus
flower borer larva Apionidae Diplapion detritum
leaf vagrant Aphididae Coloradoa inodorella
fruit borer Tortricidae Gynnidomorpha permixtana
systemic vagrant Aphididae Protaphis terricola
leaf vagrant summer generation Aphididae Aphis fabae fabae
flower borer Tephritidae Trupanea stellata
flower gall Apionidae Omphalapion laevigatum
leaf down Erysiphales Golovinomyces macrocarpus
leaf down Erysiphales Podosphaera erigerontis-canadensis
leaf down Peronosporales Paraperonospora leptosperma
leaf down Peronosporales Peronospora radii
leaf leaf spot Capnodiales Didymaria matricariae
leaf leaf spot Entylomatales Entyloma matricariae
leaf miner Agromyzidae Phytomyza pullula
leaf pustule Albuginales Pustula obtusata
leaf pustule uredinia telia Pucciniales Puccinia matricariae
stem borer Agromyzidae Napomyza lateralis
stem borer Curculionidae Microplontus rugulosus
root gall Apionidae Diplapion confluens
root gall Meloidogynidae Meloidogyne hapla
leaf vagrant summer generation Aphididae Brachycaudus cardui
leaf vagrant summer generation Aphididae Aphis nasturtii
leaf vagrant summer generation Aphididae Brachycaudus helichrysi
leaf vagrant Aphididae Aulacorthum solani
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf vagrant Aphididae Myzus ascalonicus
leaf vagrant Aphididae Aulacorthum circumflexum
leaf vagrant summer generation Aphididae Aphis fabae
root collar vagrant doubtful Aphididae Aphis lindae
root vagrant Aphididae Aphis vandergooti
leaf vagrant Aphididae Macrosiphoniella tapuskae
leaf vagrant Aphididae Aphis gossypii
leaf vagrant summer generation Aphididae Myzus persicae
leaf vagrant Aphididae Myzus ornatus

Organ

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.

PARASITIC MODE

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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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.

 

mod 23.x.2019