Caryocolum fischerella is a moth of the Gelechiidae family. It is found in central and northern Europe. The wingspan is 11–13 mm. The forwewings are mid-brown, mottled with orange-brown, and light orange-brown along the costa. The moths are on wing from June to July depending on the location. The larvae feed on Saponaria officinalis and Saponaria ocymoides. They are gregarious and feed within spun terminal shoots of their host plant. The larvae can be found in May. Pupation takes place in a web between the leaves of the host plant.