Plant Parasites of Europe

leafminers, galls and fungi

Piptatherum miliaceum


synonym: Oryzopsis miliacea; Milium, Piptatherum, multiflorum

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Thripidae Bregmatothrips dimorphus
unknown unknown Pseudococcidae Spilococcus halli
stem hidden Pseudococcidae Erimococcus kimmericus
stem hidden Diaspididae Acanthomytilus intermittens
leaf vagrant Nymphalidae Lasiommata megera
leaf vagrant Geometridae Scopula donovani
leaf vagrant Cicadellidae Melillaia desbrochersi
scale Pseudococcidae Chorizococcus rostellum
leaf vagrant Nymphalidae Pararge xiphioides
leaf vagrant Erebidae Sagarriella libyssa
leaf scale Eriococcidae Acanthococcus acutus
unknown scale Eriococcidae Acanthococcus herbaceus
stem scale Pseudococcidae Trionymus aberrans
leaf vagrant summer generation Aphididae Myzus persicae
root vagrant summer generation Aphididae Forda marginata
leaf film Ustilaginales Tranzscheliella hypodytes
leaf vagrant Aphididae Sitobion avenae
leaf vagrant summer generation Aphididae Sitobion fragariae
leaf pustule uredinia telia Pucciniales Puccinia piptatheri
leaf vagrant summer generation Aphididae Melanaphis pyraria
leaf vagrant Aphididae Sipha maydis


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.


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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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.


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