Bucculatrix caspica is a moth in the Bucculatricidae family. It was described by Puplesis and Sruoga in 1991. It is found in Kazakhstan, Uzbekistan, Tadjikistanand the southern part of European Russia. The length of the forewings is 2.9-3-1 mm for males and 3.3 mm for females. The forewings are creamy white with some brown spots. The hindwings are greyish cream to pale brownish. The larvae feed on Ulmus species. They mine the leaves of their host plant. The mine has the form of a long, narrow gallery with black linear frass. Pupation takes place in a whitish cream cocoon.