water mint

synonym: >Mentha latifolia Nolte ex Hornem., palustris L.

organ parasitic mode stage note taxonomic group parasite
fruit vagrant Gelechiidae Thiotricha subocellea
stem borer larva Curculionidae Datonychus melanostictus
root borer larva doubtful Apionidae Squamapion cineraceum
root collar borer larva Apionidae Squamapion flavimanum
leaf scale Aleyrodidae Aleyrodes lonicerae
leaf scale Aleyrodidae Trialeurodes vaporariorum
fruit gall Cecidomyiidae Asphondylia menthae
flower down Peronosporales Peronospora stigmaticola
flower gall Eriophyidae Eriophyes menthae
leaf down Erysiphales Golovinomyces monardae
leaf gall Eriophyidae Aceria megacera
leaf gall Eriophyidae Aceria mentharia
leaf miner Agromyzidae Phytomyza petoei
leaf miner Agromyzidae Phytomyza tetrasticha
leaf miner Buprestidae Trachys scrobiculatus
leaf miner Chrysomelidae Dibolia occultans
leaf miner Coleophoridae Coleophora albitarsella
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia uredinia telia Pucciniales Puccinia menthae
stem gall Apionidae Squamapion vicinum
stem pustule Blastocladiales Physoderma menthae
leaf gall summer generation Aphididae Ovatus crataegarius
leaf vagrant summer generation Aphididae Myzus persicae
leaf vagrant Aphididae Ovatus mentharius
leaf gall Aphididae Aphis affinis


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 8.viii.2019