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The Chamaemyiidae are a small family of acalyptrate flies with less than 200 species described worldwide. The larvae of these small flies are active and predatory and are often used for biological control of aphids, scale insects, and similar pests. Chamaemyiid 
The Chamaemyiidae are small flies 9 (1–5 mm), usually greyish in colour. The frons is wide, with at most two pairs of bristles (often bare). The face is gently concave or strongly receding. Oral vibrissae are absent and the postvertical bristles are convergent or absent. The proboscis is short and the antennae are short. The mesonotum is with or without bristles. Prothoracic bristles are absent and with one sternopleural bristle. The mesopleura are usually bare, rarely setulose. The front femora bear bristles. The tibiae are without preapical bristles. Wings with the subcosta are entire, sometimes touching the first vein before its end. The anal vein does not reach nearly to the wing margin, the anal and second basal cells are always complete, and the costa is not broken. The abdomen is short or slightly elongated.
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fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserve ...
s are poorly represented in amber deposits, but a few examples are known from the Eocene
The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...
epoch onwards.
Description
For terms, see Morphology of DipteraThe Chamaemyiidae are small flies 9 (1–5 mm), usually greyish in colour. The frons is wide, with at most two pairs of bristles (often bare). The face is gently concave or strongly receding. Oral vibrissae are absent and the postvertical bristles are convergent or absent. The proboscis is short and the antennae are short. The mesonotum is with or without bristles. Prothoracic bristles are absent and with one sternopleural bristle. The mesopleura are usually bare, rarely setulose. The front femora bear bristles. The tibiae are without preapical bristles. Wings with the subcosta are entire, sometimes touching the first vein before its end. The anal vein does not reach nearly to the wing margin, the anal and second basal cells are always complete, and the costa is not broken. The abdomen is short or slightly elongated.
Classification
*Subfamily Cremifaniinae **Genus '' Cremifania'' Czerny, 1904 *Subfamily Chamaemyiinae **Tribe Chamaemyiini ***Genus '' Acrometopia'' Schiner, 1862 ***Genus '' Chamaeleucopis'' Gaimari, 2012 ***Genus '' Chamaemyia'' Meigen, 1803 ***Genus '' Hamecamyia'' Gaimari, 2001 ***Genus '' Melametopia'' Tanasijtshuk, 1992 ***Genus '' Melanochthiphila'' Frey, 1958 ***Genus '' Ortalidina'' Blanchard, 1852 ***Genus '' Parapamecia'' Cogan, 1978 ***Genus '' Parochthiphila'' Czerny, 1904 ***Genus '' Plunomia'' Curran, 1934 ***Genus '' Pseudoleucopis'' Malloch, 1925 ***Genus '' Pseudodinia'' Coquillett, 1902 **Tribe Leucopini ***Genus '' Anchioleucopis'' Tanasijtshuk, 1997 ***Genus '' Echinoleucopis'' Gaimari & Tanasijtshuk, 2001 ***Genus '' Leucopis'' Meigen, 1830 ****Subgenus '' Leucopis'' Meigen, 1830 ****Subgenus '' Leucopomyia'' Malloch, 1921 ****Subgenus '' Neoleucopis'' Malloch, 1921 ****Subgenus '' Xenoleucopis'' Malloch, 1933 ***Genus '' Leucopomyia'' Malloch, 1921 ***Genus '' Lipoleucopis'' de Meijere, 1928 ***Genus '' Neoleucopis'' Malloch, 1921References
Further reading
* Tanasiychuk, VN, 1986 ''Fauna USSR: Diptera''. Vol. 14, part 7: ''Mukhi-serebryanki'' (''Chamaeiidae'') Nauka Leningrad. Text Russian 608 text figs, 70 b/w photos. 335pp.External links
*Diptera info
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Family Chamaemyiidae at EOL
{{Authority control Brachycera families