The pale eggar or pale oak eggar (Trichiura crataegi) is a moth of the Lasiocampidae family. It is found in all of Europe (except Iceland), east to Anatolia.
The wingspan is 25–30 mm. Adults are on wing from August to September.
The larvae feed on various plants and trees, including Betula verrucosa, Betula pubescens, Betula nana, Alnus incana, Salix species (including Salix lapponum, Salix hastata, Salix repens, Salix starkeana, Salix caprea and Salix phylicifolia), Populus tremula, Sorbus aucuparia, Crataegus species, Prunus padus, Vaccinium myrtillus and Vaccinium uliginosum.
- Trichiura crataegi crataegi
- ?Trichiura crataegi borealis (northern Fennoscandia)
- Trichiura crataegi lasistana (mountains of north-eastern Anatolia)
- ?Trichiura crataegi anatolica (Anatolia)