''Chrysotus'' is a genus of

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 ...

in the family

Dolichopodidae Dolichopodidae, the long-legged flies, are a large, cosmopolitan family of true flies with more than 8,000 described species in about 250 genera. The genus '' Dolichopus'' is the most speciose, with some 600 species. Dolichopodidae generally a ...

. It is one of the largest genera in the subfamily

Diaphorinae Diaphorinae is a subfamily of flies in the family Dolichopodidae. Genera *'' Nematoproctus'' Loew, 1857 (Diaphorinae or Rhaphiinae) *'' Nurteria'' Dyte & Smith, 1980 (may belong in Sympycninae) *†'' Palaeoargyra'' Meunier, 1895 *'' Phasmaphle ...

, with more than 460 species. However, the genus is probably

paraphyletic Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...

, and possibly even

polyphyletic A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as Homoplasy, homoplasies ...

, with respect to several related genera such as ''

Achradocera ''Achradocera'' is a genus of flies in the family Dolichopodidae. It is distributed in the Nearctic and Neotropical realms as well as in Polynesia. Several Afrotropical species were also placed in the genus, but in 2018 they were transferred to '' ...

'', ''

Falbouria ''Falbouria'' is a genus of flies in the family Dolichopodidae. It contains only one species, ''Falbouria acorensis'', which is endemic to the Azores. The genus was originally named ''Balfouria'' by Octave Parent in 1933; it was renamed to ''Falbo ...

'' and ''

Lyroneurus ''Lyroneurus'' is a genus of fly, flies in the family Dolichopodidae. It includes 17 species distributed in the Neotropical realm. It was formerly treated as a subgenus of ''Diaphorus''; more recently ''Lyroneurus'' has been treated as a synonym ...

''.

Gallery

File:Chrysotus sp - 2012-07-22.webm, ''Chrysotus'' sp. on coarse woody debris

Subgenera and species groups

The genus has two subgenera: * ''Angiopus'' Meuffels & Grootaert, 1996 – includes only ''C. halteratus'' * ''Chrysotus'' Meigen, 1824 – all other species are placed in this subgenus, split into many species groups and subgroups: ** ''C. albipalpus'' species group ** ''C. cilipes'' species group –

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 ...

** ''C. javanensis'' species group ** ''C. laesus'' species group (22 species) –

Oriental The Orient is a term referring to the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of the term ''Occident'', which refers to the Western world. In English, it is largely a meto ...

*** ''C. adunatus'' species subgroup (1) – includes only ''C. adunatus'' *** ''C. brevicercus'' species subgroup (12) *** ''C. nudisetus'' species subgroup (5) *** ''C. laesus'' species subgroup (3) *** ''C. trapezinus'' species subgroup (1) – includes only ''C. trapezinus'' ** ''C. leigongshanus'' species group (59 species) –

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

*** ''C. apicibifidus'' species subgroup (22) *** ''C. apicirotundus'' species subgroup (9) *** ''C. apicisetosus'' species subgroup (9) *** ''C. chishuiensis'' species subgroup (10) *** ''C. comminus'' species subgroup (2) *** ''C. daozhenus'' species subgroup (3) *** 4 unplaced species ** ''C. longipalpus'' species group (12 species) ** ''C. mediotinctus'' species group (5 species) –

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

** ''C. niger'' (?) species group ** ''C. papuanus'' species group (107 species) –

*** ''C. abatus'' species subgroup (14) *** ''C. abdominus'' species subgroup (88) *** ''C. araeobasus'' species subgroup (3) *** ''C. papuanus'' species subgroup (1) – includes only ''C. papuanus'' *** ''C. zhuae'' species subgroup (1) – includes only ''C. zhuae'' ** ''C. philtrum'' species group

References

{{Taxonbar, from=Q5114971 Dolichopodidae genera Diaphorinae Articles containing video clips Taxa named by Johann Wilhelm Meigen

Gallery

Subgenera and species groups

See also

References