>? Poa spec., Belgium, prov. Hainaut, Virelles, Galloway © Sébastien Carbonnelle

detail

gall

Whitish swellings of the roots, usually at their tips. They are spirally twisted or bean-shaped and have cavities in which nematodes live.

hostplants

Poaceae, broadly oligophagous

Agrostis capillaris, stolonifera; Alopecurus geniculatus, pratensis; Anthoxanthum odoratum; Arrhenatherum elatius & subsp. bulbosum; Avena; Avenella flexuosa; Bromopsis erecta, pannonica; Deschampsia flexuosa; Elytrigia repens; Festuca ovina; Holcus lanatus; Hordeum; Leymus arenarius; Lolium perenne; Ochlopoa annua; Phalaroides arundinacea; Phleum pratense; Poa pratensis, trivialis; Puccinellia maritima; Schedonorus pratensis; Secale cereale; Triticum aestivum; Zea mays.

According to Bongers (contra Buhr) not on Lolium perenne.

synonyms

Ditylenchus, Heterodera, radicicola.

references

Balrati (1900a), Bongers (1988a), Buhr (1964b, 1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a).