Anguina agrostis (Steinbuch, 1799)
bentgrass nematode
on Poaceae
Ochlopoa annua, Belgium, prov. Liège, Baelen, Maas Vallei, 3.vii.2022 © Sébastien Carbonelle
detail
Phleum phleoides, galled floret external and section (from Houard, 1908a)

Festuca rubra, Leiden © Koen van Zoest
gall
The nematodes live in the slender bottle-shaped ovaries, that often are coloured violet red. De outer parts of the floret are 3-5 times their normal length.
host plants
Poaceae, oligophagous
Agrostis capillaris, stolonifera; Apera spica-venti; Calamagrostis canescens, lapponica; Elytrigia repens; Festuca rubra; Hordeum vulgare; Koeleria glauca, pyramidata; Leymus arenarius; Ochlopoa annua; Phalaris arundinacea; Phleum phleoides, pratense; Poa alpina, nemoralis, palustris, pratensis; Rostraria cristata; Secale cereale; Trisetum flavescens; Triticum aestivum.
Dauphin & Aniotsbehere (1997a), Redfern & Shiley (2011a), and Roskam (2009a) indicate Agrostis in the first place.
synonyms
Anguina poophila Kirjanova, 1952; Tylenchus phalaridis (Steinbuch) Filipjev, 1936; Tylenchus agrostidis (Steinbuch, 1799).
notes
often found associated with the fungus Dilophospora alopecuri.
references
Bongers (1988a), Buhr (1964a, 1965a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Fleming, Maule, Martin ao (2015a), Houard (1908a), Jensen, Howell & Courtney (1958a), Redfern & Shirley (2011a), Roskam (2009a), Stănescu (2009a), Tomasi (2003a, 2012a, 2014a).