cherry plum

organ parasitic mode stage note taxonomic group parasite
stem scale Coccidae Sphaerolecanium prunastri
systemic scale Diaspididae Parlatoria oleae
leaf gall Cecidomyiidae Dasineura tortrix
stem vagrant spring generation Aphididae Brachycaudus divaricatae
leaf gall spring generation Aphididae Myzus persicae
leaf leaf spot Phyllachorales Polystigma rubrum
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant Aphididae Aphis spiraecola
fruit gall Taphrinales Taphrina pruni
leaf bud gall Cecidomyiidae Asphondylia pruniperda
leaf down Erysiphales Erysiphe prunastri
leaf down Erysiphales Podosphaera leucotricha
leaf down Erysiphales Podosphaera tridactyla
leaf gall spring generation rarely Aphididae Brachycaudus cardui
leaf gall spring generation Aphididae Phorodon humuli
leaf gall spring generation Aphididae Rhopalosiphum padi
leaf gall Eriophyidae Phyllocoptes abaenus
leaf gall Psyllidae Cacopsylla pruni
leaf miner Coleophoridae Coleophora anatipenella
leaf miner Coleophoridae Coleophora hemerobiella
leaf miner Gracillariidae Parornix finitimella
leaf miner rarely Gracillariidae Parornix petiolella
leaf miner Gracillariidae Phyllonorycter cerasicolella
leaf miner Gracillariidae Phyllonorycter spinicolella
leaf miner Lyonetiidae Leucoptera malifoliella
leaf miner Lyonetiidae Lyonetia clerkella
leaf miner Lyonetiidae Lyonetia prunifoliella
leaf miner Nepticulidae Ectoedemia atricollis
leaf miner Nepticulidae Ectoedemia mahalebella
leaf miner Nepticulidae Ectoedemia spinosella
leaf miner Nepticulidae Stigmella plagicolella
leaf miner Nepticulidae Stigmella prunetorum
leaf miner Tischeriidae Coptotriche gaunacella
leaf pustule uredinia telia Pucciniales Leucotelium cerasi
leaf pustule uredinia telia Pucciniales Tranzschelia discolor
leaf pustule uredinia telia Pucciniales Tranzschelia pruni-spinosae
leaf vagrant spring generation Aphididae Rhopalosiphum nymphaeae
leaf vagrant Eriophyidae Aculus fockeui
stem borer Agromyzidae Phytobia cerasiferae
stem gall Eriophyidae Acalitus phloeocoptes
stem scale Coccidae Parthenolecanium corni
leaf vagrant spring generation Aphididae Hyalopterus pruni
leaf gall spring generation Aphididae Myzus lythri
leaf gall spring generation Aphididae Brachycaudus prunicola
leaf gall spring generation Aphididae Brachycaudus helichrysi

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 23.xii.2018