Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Elachista flammula is a moth of the Elachistidae family. It is found in the Australian Capital Territory. The wingspan is 9-10.3 mm for males and 6.9-9.3 mm for females. The forewings are yellow, powdered with dark brownish grey-tipped scales in males. The hindwings are grey. The larvae feed on Carex polyantha. They mine the leaves of their host plant. The mine is straight and reaches a length of about 150 mm. Several larvae may be found on a single leaf. Pupation takes place outside of the mine, along the fold of the leaf.