Plant Parasites of Europe

leafminers, galls and fungi

Ligustrum ovalifolium

garden privet

synonym: Ligustrum medium

organ parasitic mode stage note taxonomic group parasite
root vagrant larva Curculionidae Otiorhynchus aurifer
leaf vagrant adult Curculionidae Otiorhynchus meridionalis
leaf vagrant Noctuidae Acronicta rumicis
leaf vagrant Noctuidae Craniophora ligustri
leaf vagrant Geometridae Menophra abruptaria
leaf bud vagrant Eriophyidae Aceria ligustri
leaf hidden Crambidae Palpita vitrealis
leaf vagrant Noctuidae Lithophane semibrunnea
leaf vagrant adult Curculionidae Otiorhynchus smreczynskii
leaf scale Coccidae Lichtensia viburni
leaf vagrant Thripidae Dendrothrips ornatus
leaf vagrant summer generation Aphididae Aphis fabae
leaf bud gall Eriophyidae Aceria loewi
leaf down Erysiphales Erysiphe syringae
leaf leaf spot Capnodiales thedgonia ligustrina
leaf gall Aphididae Myzus ligustri
leaf miner Coleophoridae Coleophora siccifolia
leaf miner Gracillariidae Caloptilia cuculipennella
leaf miner Gracillariidae Gracillaria syringella
leaf pustule aecia Pucciniales Puccinia isiacae
leaf vagrant Eriophyidae Aculus ligustri
leaf vagrant Eriophyidae Shevtchenkella ligustri

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.

 

Last modified 20.xii.2021