Non-brachycera
Guides
Symmerus lautus
Symmerus lautus is a Holarctic species of fungus gnat in the family Ditomyiidae (subfamily Ditomyiinae). The species was originally described as Plesiastina lauta by Loew in 1869 and has been known under the synonyms S. tristis and S. dilutus. The genus Symmerus belongs to a group of non-brachyceran Diptera commonly referred to as fungus gnats, though specific biological details for S. lautus remain poorly documented.