garden pea

organ parasitic mode stage note taxonomic group parasite
leaf miner Agromyzidae Chromatomyia horticola
leaf vagrant Aphididae Macrosiphum euphorbiae
root borer Curculionidae Hylastinus obscurus
leaf vagrant summer generation Aphididae Myzus persicae
stem miner Agromyzidae Ophiomyia orbiculata
leaf vagrant summer generation Aphididae Aphis fabae
stem vagrant Aphididae Aphis craccivora
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall summer generation Cecidomyiidae Contarinia pisi
fruit gall Curculionidae Tychius quinquepunctatus
leaf down Erysiphales Erysiphe pisi var. pisi
leaf down Peronosporales Peronospora pisi
leaf miner Agromyzidae Agromyza lathyri
leaf miner Agromyzidae Liriomyza congesta
leaf miner Agromyzidae Liriomyza huidobrensis
leaf miner Agromyzidae Liriomyza pisivora
leaf miner Agromyzidae Liriomyza strigata
leaf miner Drosophilidae Scaptomyza flava
leaf pustule aecia uredinia telia Pucciniales Uromyces viciae-fabae
leaf pustule uredinia telia Pucciniales Uromyces pisi
leaf pustule uredinia telia Pucciniales Uromyces striatus
stem gall spring generation Cecidomyiidae Contarinia pisi
root gall Meloidogynidae Meloidogyne hapla
stem vagrant Aphididae Acyrthosiphon pisum

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.

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 5.i.2019