Mycetophilidae
Guides
Acnemia
Acnemia is a genus of fungus gnats in the family Mycetophilidae, established by Winnertz in 1863. The genus contains over 40 described species with an almost cosmopolitan distribution. Species occur across North America, Europe, Asia, and other regions. Acnemia sibirica, described in 1979, was recently redescribed after being overlooked in taxonomic databases due to nomenclatural confusion.
Aglaomyia
Aglaomyia is a genus of fungus gnats in the family Mycetophilidae, established by Vockeroth in 1980. The genus contains at least two described species: A. gatineau (Canada) and A. zhejiangensis (China). Like other members of Mycetophilidae, these flies are associated with fungal habitats.
Boletina
fungus gnats
Boletina is a species-rich genus of fungus gnats in the family Mycetophilidae, characterized by a mainly Holarctic distribution. The genus has historically been taxonomically challenging due to morphological similarities among species and paraphyletic relationships with related genera including Aglaomyia, Coelosia, and Gnoriste. Recent molecular phylogenetic studies and taxonomic revisions have clarified some relationships, though the genus remains under active investigation. Boletina species are particularly diverse in northern Europe, where ongoing research continues to reveal new species.
Brevicornu
Brevicornu is a genus of fungus gnats in the family Mycetophilidae, established by Marshall in 1896. The genus has a cosmopolitan distribution with confirmed records from Europe, including Denmark, Norway, and Sweden. As members of Mycetophilidae, adults are small, delicate flies associated with fungal habitats. The genus includes at least three described species: Brevicornu affinis, B. amplum, and B. foliatum.
Cordyla
Cordyla is a genus of fungus gnats in the family Mycetophilidae, subfamily Mycetophilinae, tribe Exechiini. These small flies are characterized by a hunchbacked body profile, elongate coxae, and relatively long legs compared to similar groups. The genus has been documented from Eocene fossil deposits, including well-preserved specimens from the Green River Formation of Colorado. Species-level identification typically requires examination of eye structure and other subtle morphological features.
Cordyla manca
Cordyla manca is a species of fungus gnat in the family Mycetophilidae, first described by Johannsen in 1912. It belongs to the subfamily Mycetophilinae and tribe Exechiini. Like other members of its genus, it is presumed to be associated with fungal habitats, though specific ecological details remain poorly documented. The species is known from very few observations.
Docosia dichroa
Docosia dichroa is a species of fungus gnat in the family Mycetophilidae, first described by German entomologist Hermann Loew in 1870. The species belongs to the subfamily Leiinae and tribe Leiini, placing it among the more derived lineages of fungus gnats. As with other members of Mycetophilidae, the larvae likely develop in association with fungi, though specific life history details remain poorly documented.
Ectrepesthoneura
Ectrepesthoneura is a genus of fungus gnats comprising more than 20 described species. These small flies belong to the family Mycetophilidae, a diverse group associated with fungal habitats. The genus was established by Enderlein in 1911. Species in this genus are poorly documented in public sources, with limited observational records available.
Eudicrana
Eudicrana is a genus of fungus gnats (Diptera: Mycetophilidae: Sciophilinae) comprising approximately 13 described species. The genus is distinguished by the absence of a mid ocellus, lateral ocelli positioned adjacent to the eye margins, and wing venation where R4 forms an elongated rectangular cell. Four new species were recently described from high Andean ecosystems in Colombia, representing the first records from the extreme northern range of the Andes. Natural history and biology remain poorly documented for most species.
Eudicrana obumbrata
Eudicrana obumbrata is a species of fungus gnat in the family Mycetophilidae, first described by Loew in 1870. It belongs to the subfamily Sciophilinae, a group characterized by larvae that develop in fungal substrates. The species is part of a genus distributed across the Holarctic region.
Exechiini
Exechiini is a tribe of fungus gnats within the family Mycetophilidae, comprising approximately 13 genera and at least 130 described species. Members are small, delicate flies associated with fungal habitats. The tribe represents a moderately diverse lineage within the broader fungus gnat radiation, though many species remain poorly documented.
Exechiopsis
fungus gnats
Exechiopsis is a genus of fungus gnats in the family Mycetophilidae, established by Tuomikoski in 1966. The genus contains approximately 80 described species distributed across the Holarctic region, with particular diversity in Europe and Asia. Several species were formerly placed in the genus Xenexechia, which is now treated as a synonym. Species identification relies primarily on male genitalia morphology.
Gnoriste macra
Gnoriste macra is a species of fungus gnat in the family Mycetophilidae, described by Johannsen in 1912. It belongs to the subfamily Gnoristinae, a group of mycetophilids typically associated with fungal habitats. The species is known from Denmark based on distribution records, though detailed biological information remains limited.
Gnoristinae
fungus gnats
Gnoristinae is a subfamily of fungus gnats within the family Mycetophilidae. As of 2019, over 442 species have been described across more than 30 genera, making it one of the most taxonomically challenging groups in Mycetophilidae with species and generic boundaries subject to frequent revision. The subfamily has been characterized as highly diverse with new taxa described annually from various parts of the world. Members are generally small flies, with some species reaching only 3 mm in body length.
Greenomyia
Greenomyia is a genus of fungus gnats in the family Mycetophilidae, established by Brunetti in 1912. The genus contains at least two described species: G. borealis and G. baikalica. Records indicate presence in boreal and temperate regions of Europe and North America, with distribution data available from Denmark, Norway, and Sweden.
Leia
Leia is a genus of fungus gnats in the family Mycetophilidae, first described by Johann Wilhelm Meigen in 1818. These small, delicate flies are classified within the subfamily Leiinae and tribe Leiini. The genus comprises numerous species distributed across various regions, with larvae typically developing in decaying organic matter and fungi. Adults are generally found in moist, shaded habitats where their larval food sources occur.
Leia bivittata
fungus gnat
Leia bivittata is a species of fungus gnat in the family Mycetophilidae, first described by Thomas Say in 1829. It belongs to the genus Leia, a group of small flies commonly associated with decaying organic matter and fungal habitats. The species epithet "bivittata" refers to two longitudinal stripes or bands, likely describing a distinctive color pattern on the body or wings. Like other members of Mycetophilidae, the larvae are presumed to develop in moist, decomposing substrates.
Leia oblectabilis
Leia oblectabilis is a species of fungus gnat in the family Mycetophilidae, originally described by Loew in 1870 under the basionym Glaphyroptera oblectabilis. The species belongs to the subfamily Leiinae and tribe Leiini. Like other members of this family, it is associated with fungal habitats. Available records are limited, with few documented observations.
Leia sublunata
Leia sublunata is a species of fungus gnat in the family Mycetophilidae. The species was described by Loew in 1870. Like other members of its family, it likely inhabits moist, forested environments where fungal resources are abundant. The genus Leia contains multiple species of small, delicate flies associated with decaying organic matter and fungi.
Leia varia
Leia varia is a species of fungus gnat in the family Mycetophilidae, first described by Walker in 1848. It belongs to the subfamily Leiinae and tribe Leiini. Adults are distinguished by prominent morphological features on their legs.
Leia ventralis
Leia ventralis is a species of fungus gnat in the family Mycetophilidae, described by Thomas Say in 1824. As a member of the genus Leia, it belongs to a group of small flies commonly associated with fungal habitats. The species is part of a diverse family of over 3,000 described species worldwide, though specific ecological details for this particular species remain poorly documented.
Leia winthemii
Leia winthemii is a species of fungus gnat in the family Mycetophilidae, first described by Lehmann in 1822. As a member of this family, it is associated with fungal habitats. The species has been documented through limited observations, with records available on iNaturalist.
Leptomorphus
Leptomorphus is a genus of fungus gnats in the family Mycetophilidae, comprising approximately 45 extant species distributed across multiple biogeographic realms. The genus is monophyletic based on morphological phylogenetic analysis, with four major species groups recognized: the L. ornatus group, L. grjebinei group, L. walkeri group, and L. furcatus group. Species exhibit considerable morphological diversity, with detailed descriptions and illustrations of habitus, wings, and male genitalia available for identification.
Leptomorphus bifasciatus
fungus gnat
Leptomorphus bifasciatus is a species of fungus gnat in the family Mycetophilidae. The species was originally described by Thomas Say in 1824 as Sciophila bifasciatus. A neotype was designated for this species in a 2012 comprehensive taxonomic revision of the genus Leptomorphus, which recognized 37 valid species worldwide. The genus is characterized by distinctive wing venation and male genitalia morphology.
Leptomorphus hyalinus
Leptomorphus hyalinus is a species of fungus gnat in the family Mycetophilidae, tribe Sciophilini. It was described by Coquillett in 1901. A 2012 taxonomic revision synonymized Leptomorphus ypsilon Johannsen with L. hyalinus. The species is one of 37 valid species in a genus-level revision that brought the total extant species of Leptomorphus to 45.
Leptomorphus nebulosus
fungus gnat
Leptomorphus nebulosus is a species of fungus gnat in the family Mycetophilidae, first described by Walker in 1848. The species occurs in North America, with records from both Canada and the United States. Like other members of its family, it is associated with fungal habitats. The genus Leptomorphus belongs to the subfamily Sciophilinae within the diverse fungus gnat family.
Monoclona
fungus gnats
Monoclona is a genus of fungus gnats in the family Mycetophilidae, comprising approximately 18 described species. The genus was established by Mik in 1886 and belongs to the subfamily Sciophilinae. At least one species, Monoclona carambeiensis, has been described from the Neotropical region with complete life cycle documentation. The genus has been recorded in Europe (Denmark, Norway, Sweden) and South America (Brazil).
Monoclona rufilatera
Monoclona rufilatera is a species of fungus gnat in the family Mycetophilidae. It is known from Scandinavian countries including Denmark, Norway, and Sweden. The species is one of relatively few documented observations within its genus.
Mycetophila unipunctata
Mycetophila unipunctata is a species of fungus gnat in the family Mycetophilidae, a diverse group of small flies associated with decaying fungi and organic matter. The species was described by Wiedemann in 1818. Like other members of its genus, it likely inhabits moist forest environments where fungal resources are abundant.
Mycomya
fungus gnats
Mycomya is a large genus of fungus gnats (family Mycetophilidae) containing at least 400 described species. Members are small flies associated with fungal habitats. The genus has a cosmopolitan distribution with records from multiple continents including South America, Australia, New Zealand, and Japan. Some species show cold adaptation and winter activity patterns.
Mycomya dichaeta
Mycomya dichaeta is a species of fungus gnat in the family Mycetophilidae, described by Fisher in 1937. It belongs to the subfamily Mycomyinae. The species epithet "dichaeta" refers to the characteristic two-bristled condition of certain body parts. Like other members of its genus, it is likely associated with fungal habitats, though specific ecological details remain poorly documented.
Mycomya imitans
Mycomya imitans is a species of fungus gnat in the family Mycetophilidae, described by Johannsen in 1910. The species is classified within the subgenus Calomycomya. Like other members of its family, it is likely associated with fungal habitats, though specific ecological details remain poorly documented.
Mycomya obliqua
Mycomya obliqua is a species of fungus gnat in the family Mycetophilidae, described by Thomas Say in 1824. As a member of the subfamily Mycomyinae, it belongs to a diverse group of small flies whose larvae typically develop in decaying organic matter, particularly fungi. The species epithet "obliqua" refers to an oblique or slanted feature of its morphology, though the specific trait referenced is not detailed in available sources. Very few observations of this species have been recorded, with only three documented occurrences in iNaturalist.
Neoempheria
fungus gnats
Neoempheria is a genus of fungus gnats in the family Mycetophilidae, containing at least 140 described species. The genus is particularly diverse in the Neotropical region, with 41 species recorded from Brazil. Larvae develop in association with fungi, making this one of the key groups of fungivorous insects. The first biological association between Neoempheria larvae and fungi in the Neotropical region was documented in 2015 for N. puncticoxa, marking a significant advance in understanding the natural history of this poorly studied group in South America.
Phronia
Phronia is a genus of fungus gnats (Diptera: Mycetophilidae) established by Winnertz in 1863. Species in this genus are found in boreal and arctic regions, with at least one species, Phronia reducta, documented from Salla in Finnish Lapland and Siberia. The genus belongs to the tribe Mycetophilini within the subfamily Mycetophilinae. Like other fungus gnats, members of Phronia are associated with decomposing organic matter and fungal habitats.
Rondaniella
Rondaniella is a genus of fungus gnats (family Mycetophilidae) established by Johannsen in 1909. It contains approximately nine described species distributed across Europe and Asia. The genus belongs to the subfamily Leiinae and tribe Rondaniellini. Most species have been described from East Asia, particularly China, within the last two decades.
Rondaniella dimidiata
Rondaniella dimidiata is a species of fungus gnat in the family Mycetophilidae. It belongs to the subfamily Leiinae and tribe Rondaniellini. The species has been documented in Norway and Sweden. Like other members of its family, it is likely associated with fungal habitats, though specific ecological details remain limited in published sources.
Sceptonia
Sceptonia is a genus of fungus gnats in the family Mycetophilidae, established by Winnertz in 1863. Species in this genus are small, delicate flies associated with forest habitats. The genus occurs across northern Europe and has been documented in Denmark, Norway, and Sweden. As with other Mycetophilidae, larvae are presumed to develop in fungal substrates, though specific life history details for most Sceptonia species remain poorly documented.
Sciophila
fungus gnat
Sciophila is a genus of fungus gnats in the family Mycetophilidae, established by Meigen in 1818. These small flies are characterized by their association with fungal habitats and shadowy environments. The genus includes both widespread Palaearctic species and Neotropical species that have been intercepted as glasshouse contaminants. Species such as Sciophila holopaineni from Finnish Lapland and S. fractinervis from the Neotropics demonstrate the genus's broad geographic range and ecological diversity.
Sciophilinae
fungus gnats
Sciophilinae is a subfamily of fungus gnats within the family Mycetophilidae, comprising at least 40 genera and 340 described species. Members are found in humid environments, often associated with decaying wood and fungi. The subfamily has a global distribution with significant diversity in Neotropical, Nearctic, and Palearctic regions. Natural history information remains limited for most species.
Zygomyia
Zygomyia is a genus of fungus gnats (family Mycetophilidae) established by Winnertz in 1863. The genus comprises at least 80 described species. Members are small, delicate flies associated with fungal habitats.