black medick

organ parasitic mode stage note taxonomic group parasite
root vagrant larva Curculionidae Sitona cinnamomeus
root vagrant larva Curculionidae Sitona inops
root vagrant larva Curculionidae Sitona longulus
root vagrant larva Curculionidae Sitona macularius
root vagrant larva rarely Curculionidae Sitona hispidulus
root vagrant larva Curculionidae Sitona tenuis
root vagrant larva Curculionidae Sitona humeralis
stem borer larva Apionidae Stenopterapion tenue
root collar vagrant Aphididae Aphis medicaginis
stem miner Agromyzidae Ophiomyia ononidis
systemic borer Anguinidae Ditylenchus dipsaci
systemic gall Eriophyidae Aculus acraspis
fruit gall Curculionidae Tychius junceus
flower gall Eriophyidae Aceria plicator
leaf bud gall Apionidae Holotrichapion pisi
leaf bud gall Apionidae Holotrichapion pullum
leaf bud gall Apionidae Protapion filirostre
leaf bud gall Cecidomyiidae Asphondylia lupulinae
leaf bud gall Cecidomyiidae Dasineura lupulinae
leaf down Erysiphales Erysiphe pisi var. pisi
leaf down Peronosporales Peronospora romanica
leaf leaf spot Helotiales Pseudopeziza medicaginis
leaf gall Cecidomyiidae Jaapiella medicaginis
leaf gall Cecidomyiidae Jaapiella jaapiana
leaf miner Agromyzidae Agromyza frontella
leaf miner Agromyzidae Agromyza nana
leaf miner Agromyzidae Liriomyza congesta
leaf miner Gelechiidae Aproaerema anthyllidella
leaf miner Gracillariidae Phyllonorycter insignitella
leaf miner Gracillariidae Phyllonorycter medicaginella
leaf pustule Chytridiales Synchytrium aureum
leaf pustule uredinia telia Pucciniales Uromyces punctatus
leaf pustule uredinia telia Pucciniales Uromyces striatus
stem gall Asterolecaniidae Planchonia arabidis
root collar gall Blastocladiales Physoderma alfalfae
root gall Rhizobiales Rhizobium leguminosarum
root vagrant summer generation Aphididae Pemphigus populi
stem vagrant Aphididae Acyrthosiphon pisum
stem vagrant Aphididae Aphis craccivora
leaf vagrant Aphididae Therioaphis trifolii
root collar vagrant Aphididae Aphis coronillae

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 10.vii.2019