Animal / parasitoid
Meteorus brevicauda is parasitoid of larva of Zeugophora subspinosa

Animal / parasitoid
Scambus inanis is parasitoid of larva of Zeugophora subspinosa

In Great Britain and/or Ireland:
Animal / predator / stocks nest with
female of Symmorphus connexus stocks nest with larva of Zeugophora subspinosa
Other: sole host/prey

Foodplant / open feeder
adult of Zeugophora subspinosa grazes on leaf of sapling of Populus tremula
Remarks: season: mid 8-9,5-12
Other: major host/prey

Foodplant / open feeder
adult of Zeugophora subspinosa grazes on leaf of sapling of Populus nigra
Remarks: season: mid 8-9,5-12

Foodplant / open feeder
adult of Zeugophora subspinosa grazes on leaf of sapling of Populus alba x tremula (P. x canescens)
Remarks: season: mid 8-9,5-12

Foodplant / open feeder
adult of Zeugophora subspinosa grazes on leaf of sapling of Populus trichocarpa
Remarks: season: mid 8-9,5-12

Foodplant / open feeder
adult of Zeugophora subspinosa grazes on leaf of sapling of Populus alba
Remarks: season: mid 8-9,5-12
Other: uncertain

Foodplant / miner
larva of Zeugophora subspinosa mines leaf of sapling of Salix
Remarks: season: early 6-mid 7

Foodplant / miner
larva of Zeugophora subspinosa mines leaf of sapling of Populus
Remarks: season: early 6-mid 7