Leymus chinensis (Trin.) Tzvelev

are eaten by

• Global Biotic Interactions: Stiropis nigrifrons (Kusnezov 1929)
• Global Biotic Interactions: Mocuellus (Mocuellus) pseudagropyri Emeljanov 1966
• Global Biotic Interactions: Eurybregma (Bregmodes) pseudagropyri Emeljanov 1966
• Global Biotic Interactions: Mocuellus (Mocuellus) pseudagropyri Emeljanov 1966
• Global Biotic Interactions: Eurybregma (Bregmodes) pseudagropyri Emeljanov 1966

are host of

• Global Biotic Interactions: Didymella glomerata (Corda) Q. Chen & L. Cai 2015
• Global Biotic Interactions: Parastagonospora nodorum (Berk.) Quaedvl., Verkley & Crous 2013
• Global Biotic Interactions: Urocystis agropyri-campestris (Massenot) H. Zogg 1986
• Global Biotic Interactions: Phyllachora graminis (Pers.) Fuckel 1870
• Global Biotic Interactions: Puccinia coronata Corda 1837 (Crown rust of oats)

have pathogen

• Global Biotic Interactions: Pseudomonas syringae