Bolitophilidae

Winnertz, 1863 [1864]

Genus Guides

1

is a of small fungus gnats within the order Diptera, suborder . The family contains a single , Bolitophila, with approximately 65 valid distributed primarily across the Palaearctic and Nearctic regions, with limited representation in the Oriental region. Species are small, measuring 6–9 mm in length. The family was historically treated as part of Mycetophilidae sensu lato but has been recognized as distinct based on morphological and phylogenetic evidence.

Pronunciation

How to pronounce Bolitophilidae: /ˌboʊ.lɪˈtɒf.ɨl.ɪˌdae/

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Habitat

old-growth forests

Distribution

Holarctic distribution with primary occurrence in the Palaearctic and Nearctic regions; recorded from Finland, Norway, Sweden, Denmark, Russia (Eastern Siberia/Tyva Republic), Morocco, and Taiwan. Fossil specimens documented from the Eocene Green River Formation in Colorado, USA.

Similar Taxa

  • MycetophilidaeHistorically confused with ; separated based on morphological characters including structure and body proportions
  • SciaridaeSimilar small fungus gnat ; distinguished by separation and body size ranges
  • KeroplatidaeClosely related fungus gnat often collected and reported together in faunistic studies

More Details

Taxonomic history

was formerly included within Mycetophilidae sensu lato. Modern treatments recognize it as a distinct within Sciaroidea, though family-level identification of these gnats is considered to require expertise.

Fossil record

Eocene fossils from the Green River Formation have been tentatively associated with this group, though definitive identification to family level is challenging for compressed fossil specimens.

Sources and further reading