Bolitophilidae

Definition

A family of small flies (order Diptera, superfamily Sciaroidea) containing the single extant genus Bolitophila. Members are typically 6–9 mm in body length and occur primarily in the Palaearctic and Nearctic regions, with a few Oriental species. The family is characterized by reduced wing venation and larvae that develop in decaying wood or fungal fruiting bodies.

Etymology

From the type genus Bolitophila (Greek bolitos, 'lump of dung' or 'fungus,' + philos, 'loving'), referring to the association of larvae with fungal substrates.

Example

Larvae of Bolitophila species mine within bracket fungi or rotting wood, making them useful indicators of old-growth forest continuity in European bioassessment programs.

Related Terms

• Bolitophila
• Sciaroidea
• Mycetophilidae
• Diptera
• fungus gnat
• saproxylic

Usage Notes

Bolitophilidae is sometimes treated as a subfamily (Bolitophilinae) within Mycetophilidae in older classifications; modern phylogenetic studies generally recognize it as a distinct family. The group is distinguished from related sciarioid families by features of the male terminalia and larval habitat specialization. All living species belong to Bolitophila; extinct genera are known from Cretaceous amber.