The Ditomyiidae are a small (90 species)

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

flies Flies are insects of the Order (biology), order Diptera, the name being derived from the Ancient Greek, Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwin ...

(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 biogeogra ...

realms. There are only two genera in Europe '' Ditomyia'' Winnertz, 1846 and '' Symmerus'' Walker, 1848 ''Ditomyia'' is found in Central Europe ''Symmerus'' in Northern Europe ''Symmerus'' is

endemic Endemism is the state of a species being found only 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 foun ...

to the

Palaearctic The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. Th ...

Genera

*'' Asioditomyia'' Saigusa, 1973 *'' Australosymmerus'' (Freeman, 1951) *'' Ditomyia'' Winnertz, 1846 *'' Neocrionisca'' Papavero, 1977 *'' Nervijuncta'' Marshall, 1896 *'' Rhipidita'' Edwards, 1940 *'' Symmerus'' Walker, 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. Th ...

, Myanmar, Late Cretaceous (

Cenomanian The Cenomanian is, in the International Commission on Stratigraphy's (ICS) geological timescale, the oldest or earliest age (geology), age of the Late Cretaceous epoch (geology), Epoch or the lowest stage (stratigraphy), stage of the Upper Cretace ...

)

References

Nematocera families Articles containing video clips {{Sciaroidea-stub