Aspen Populus tremula is food for the following moths:

0023 Ectoedemia argyropeza
0261 Leucoptera sinuella
0288 Caloptilia stigmatella
0333 Phyllonorycter viminiella
0335 Phyllonorycter salicicolella
0853 Anacampsis populella
0878 Batrachedra praeangusta
1086 Hedya salicella
1123 Ancylis laetana
1152 Epinotia maculana
1168 Gypsonoma sociana
1270 Cydia corollana
1594 Large Tortoiseshell Nymphalis polychloros
1654 Figure of Eighty Tethea ocularis
1655 Poplar Lutestring Tethea or
1755 Chevron Eulithis testata
1789 Scallop Shell Hydria undulata
1795 November Moth Epirrita dilutata
1879 Seraphim Lobophora halterata
1887 Clouded Border Lomaspilis marginata
1908 Dark Bordered Beauty Epione vespertaria
1930 Oak Beauty Biston strataria
1956 Common Wave Cabera exanthemata
1981 Poplar Hawk-moth Laothoe populi
1995 Puss Moth Cerura vinula
1997 Sallow Kitten Furcula furcula
1998 Poplar Kitten Furcula bifida
2003 Pebble Prominent Notodonta ziczac
2007 Swallow Prominent Pheosia tremula
2008 Coxcomb Prominent Ptilodon capucina
2011 Pale Prominent Pterostoma palpina
2017 Small Chocolate-tip Clostera pigra
2031 White Satin Leucoma salicis
2158 Pale-shouldered Brocade Lacanobia thalassina
2185 Lead-coloured Drab Orthosia populeti
2262 Brick Agrochola circellaris
2278 Poplar Grey Subacronicta megacephala
2312 Olive Ipimorpha subtusa
2313 Angle-striped Sallow Enargia paleacea
2318 Dun-bar Cosmia trapezina
2451 Clifden Nonpareil Catocala fraxini
2452 Red Underwing Catocala nupta
2469 Herald Scoliopteryx libatrix