Marasmius Siccus

This is a mournfulthyrsi, a colorful, day-flying moth found in forests throughout the eastern US. As caterpillars, they feed only on the leaves ofgreenbrier (Smilax), a thorny vine that often irritates hikers. It’s fun to associate an attractive day-flying moth like this with the thorny plant that many curse.

Scuttle flies are likely among the most ecologically diverse families of all arthropods. The diversity of habits is staggering. Although some scuttle flies specialize on ants, even killing them in interesting ways, these individuals are likely just seeking to snack on an already-dead ant, before scuttling on their way