The Ditomyiidae are a small (90 species)

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

flies Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced m ...

(Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian and

Neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In bioge ...

realms. There are only two genera in Europe ''

Ditomyia ''Ditomyia'' is a genus of fungus gnats in the family Ditomyiidae The Ditomyiidae are a small (90 species) family of flies (Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian and N ...

'' Winnertz, 1846 and ''

Symmerus ''Symmerus'' is a genus of fungus gnats and gall midges in the family Ditomyiidae. There are about five described species in ''Symmerus''. Species *'' S. akikoae'' Saigusa, 1973 *'' S. annulatus'' ( Meigen, 1830) *'' S. antennalis'' Okada, 1936 * ...

'' Walker, 1848 ''Ditomyia'' is found in Central Europe ''Symmerus'' in Northern Europe ''Symmerus'' is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to the

Palaearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

Genera

*''

Asioditomyia ''Asioditomyia'' is a genus of fungus gnats in the family Ditomyiidae The Ditomyiidae are a small (90 species) family of flies (Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian a ...

'' Saigusa, 1973 *''

Australosymmerus ''Australosymmerus'' is a genus of fungus gnats in the family Ditomyiidae. Species *'' A. aculeatus'' ( Edwards, 1921) *'' A. acutus'' Munroe, 1974 *'' A. anthostylus'' Colless, 1970 *'' A. basalis'' (Tonnoir, 1927) *'' A. bifasciatus'' ( Willi ...

'' (Freeman, 1951) *''

'' Winnertz, 1846 *''

Neocrionisca ''Neocrionisca'' is a genus of fungus gnats in the family Ditomyiidae The Ditomyiidae are a small (90 species) family of flies (Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian an ...

'' Papavero, 1977 *''

Nervijuncta ''Nervijuncta'' is a genus of fungus gnats in the family Ditomyiidae The Ditomyiidae are a small (90 species) family of flies (Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian an ...

'' Marshall, 1896 *''

Rhipidita ''Rhipidita'' is a genus of fungus gnats in the family Ditomyiidae The Ditomyiidae are a small (90 species) family of flies (Diptera).They are found worldwide (except in the Afrotropical Region), most species are found in the Australasian and ...

Edwards Edwards may refer to: People * Edwards (surname) * Edwards family, a prominent family from Chile * Edwards Barham (1937-2014), a former member of the Louisiana State Senate * Edwards Pierrepont (1817–1892), an American attorney, jurist, and or ...

, 1940 *''

Walker Walker or The Walker may refer to: People * Walker (given name) *Walker (surname) * Walker (Brazilian footballer) (born 1982), Brazilian footballer Places In the United States *Walker, Arizona, in Yavapai County *Walker, Mono County, California ...

, 1848 *'' Burmasymmerus''

Burmese amber Burmese amber, also known as Burmite or Kachin amber, is amber from the Hukawng Valley in northern Myanmar. The amber is dated to around 100 million years ago, during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period. The ...

, Myanmar, Late Cretaceous (

Cenomanian The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in ...

)

References

Nematocera families Articles containing video clips {{Sciaroidea-stub