giant cane

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Eriophyidae Aceria arundinis
leaf vagrant Aphididae Macrosiphum euphorbiae
stem vagrant Aclerdidae Aclerda berlesii
leaf vagrant summer generation Aphididae Rhopalosiphum padi
leaf vagrant Aphididae Rhopalosiphum maidis
leaf vagrant Aphididae Melanaphis donacis
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf vagrant Aphididae Takecallis arundicolens
leaf vagrant Aphididae Takecallis arundinariae
leaf gall Cecidomyiidae Lasioptera donacis
leaf miner Agromyzidae Agromyza graminicola
leaf miner Agromyzidae Cerodontha denticornis
leaf miner Agromyzidae Cerodontha phragmitophila
leaf pustule uredinia telia Pucciniales Puccinia magnusiana
leaf pustule uredinia telia Pucciniales Puccinia phragmitis
leaf vagrant summer generation main Aphididae Hyalopterus pruni
stem gall Eurytomidae Tetramesa romana
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.


mod 28.ix.2019