Coleophora cartilaginella is a moth of the family Coleophoridae. It has a disjunct distribution. It has been recorded from the Iberian Peninsula, northern Russia, Hungary, Ukraine, Serbia and North Macedonia. It is also known from southern Russia, central Asia, Iran and Afghanistan.
Adults are on wing in June.[1]
The larvae feed on Astragalus albicaulis and Medicago species.[2] Larvae can be found from autumn to June of the following year.