Tachydromia

Tachydromia
	Tachydromia cf. arrogans
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Hybotidae
Subfamily:	Tachydromiinae
Tribe:	Tachydromiini
Genus:	Tachydromia; Meigen, 1803
Type species
	Tachydromia connexa; Meigen, 1822[1]
Synonyms
	Coryneta Meigen, 1800 (suppressed); Sicodus Rafinesque, 1815; Sicus Latreille, 1796 (non Scopoli, 1763: preoccupied); Tachista Loew, 1864; Tachysta (lapsus)

Tachydromia is a genus of hybotid flies. It is widespread around the world, with species found essentially everywhere except the polar regions and some remote islands. They are not very diverse in East and Southeast Asia,[2] or in Africa[3]

Description

Tachydromia are minute, slender flies of shining jet-black color, that are almost devoid of hairs and bristles.[2]

The globular head bears large eyes with large facets. Three ocelli are present. The two-jointed antennae are short. The vertical, rigid proboscis is shorter than the head.[2]

The thorax is longer than broad. The slender legs bear microscopic hairs, but no bristles. The front femora are somewhat thickened. The males of some species have small spines on the middle femora or tibiae beneath.[2]

The wings are narrow, with the costa ending at the fourth vein and sometimes thickened beyond the insertion of the first vein. There is no trace of an anal cell present. Some species show one or two dark bands across the wings.[2]

Species

T. acklandi Chvala, 1973
T. aemula (Loew, 1864)
T. alteropicta (Becker, 1889)
T. annulimana Meigen, 1822
T. arrogans (Linnaeus, 1761)
T. calcanea (Meigen, 1838)
T. calcarata (Strobl, 1910)
T. carpathica Chvala, 1966
T. catalonica (Strobl, 1906)
T. caucasica Chvala, 1970
T. connexa Meigen, 1822
T. costalis (von Roser, 1840)
T. denticulata (Oldenberg, 1912)
T. edenensis Hewitt & Chvala, 2002
T. excisa (Loew, 1864)
T. halidayi (Collin, 1926)
T. halterata (Collin, 1926)
T. incompleta (Becker, 1900)
T. interrupta (Loew, 1864)
T. lundstroemi (Frey, 1913)
T. microptera (Loew, 1864)
T. monserratensis (Strobl, 1906)
T. morio (Zetterstedt, 1838)
T. nigerrima (Bezzi, 1918)
T. obsoleta (Strobl, 1910)
T. ornatipes (Becker, 1890)
T. parva Chvala, 1970
T. productipes (Strobl, 1910)
T. pseudointerrupta Chvala, 1970
T. punctifera (Becker, 1900)
T. rhyacophila Chvala, 1995
T. sabulosa Meigen, 1830
T. schnitteri Stark, 1994
T. smithi Chvala, 1966
T. styriaca (Strobl, 1893)
T. subarrogans Kovalev & Chvala, 1985
T. terricola Zetterstedt, 1819
T. tuberculata (Loew, 1864)
T. umbrarum Haliday, 1833
T. undulata (Strobl, 1906)
T. woodi (Collin, 1926)

References

Chvála, Milan (1975). The Tachydromiinae (Diptera; Empididae) of Fennoscandia and Denmark (PB) |format= requires |url= (help). Fauna Entomologica Scandinavica. 3. Klampenborg: Scandinavian Science Press Ltd. pp. 1–336. ISBN 87-87491-04-4.
A. L. Melander (1910). "The Genus Tachydromia". Psyche. 17 (2): 41–63. doi:10.1155/1910/29732.
Shamshev, I. & Grootaert, P. 2010. The genus Tachydromia Meigen (Diptera: Hybotidae) from the Afrotropics. African Invertebrates 51 (1): 207-218."Archived copy". Archived from the original on 2011-10-04. Retrieved 2011-10-04.CS1 maint: archived copy as title (link)

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[Chvála-1] Chvála, Milan (1975). The Tachydromiinae (Diptera; Empididae) of Fennoscandia and Denmark (PB) |format= requires |url= (help). Fauna Entomologica Scandinavica. 3. Klampenborg: Scandinavian Science Press Ltd. pp. 1–336. ISBN 87-87491-04-4.

[melander1910-2] A. L. Melander (1910). "The Genus Tachydromia". Psyche. 17 (2): 41–63. doi:10.1155/1910/29732.

[3] Shamshev, I. & Grootaert, P. 2010. The genus Tachydromia Meigen (Diptera: Hybotidae) from the Afrotropics. African Invertebrates 51 (1): 207-218."Archived copy". Archived from the original on 2011-10-04. Retrieved 2011-10-04.CS1 maint: archived copy as title (link)