Opacifrons
{{short description|Genus of flies}}
{{Taxobox
| image =
| image_caption =
| regnum = Animalia
| phylum = Arthropoda
| classis = Insecta
| ordo = Diptera
| familia = Sphaeroceridae
| subfamilia = Limosininae
| genus = Opacifrons
| genus_authority = Duda, 1918{{cite journal|last1=Duda|first1=Oswald|title=Revision der europäischen Arten der Gattung Limosina Macquart (Dipteren)|journal=Abhandlungen der K.k. Zoologisch-botanischen Gesellschaft in Wien|date=1918|volume=10|issue=1|pages=1–240}}
| synonyms = *Bispinicercia (Su & Liu, 2009){{cite journal|last1=Su|first1=Li-Xin|last2=Liu|first2=Guang-Chun|title=A new genus and new species of Diptera (Sphaeroceridae, Limosininae) from China|journal=Oriental Insects|date=2009|volume=43|pages=49–54|doi=10.1080/00305316.2009.10417575|s2cid=84463265}}
| type_species = Limosina coxata
| type_species_authority = Stenhammar, 1855{{cite journal|last1=Stenhammar|first1=C.|title=Skandinaviens Copromyzine granskade och beskrifne|journal=Kongliga Vetenskaps-Akademiens Handlingar|date=1855|volume=1853|pages=257–442}}
}}
Opacifrons is a genus of flies belonging to the family Lesser Dung flies.{{cite book|last1=Rohček|first1=Jindřich|last2=Marshall|first2=Stephen A.|last3=Norrbom|first3=Allen L.|last4=Buck|first4=Matthias|last5=Quiros|first5=Dora Isabel|last6=Smith|first6=Ian|editor1-last=Rohček|editor1-first=Jindřich|title=World Catalog of Sphaeroceridae (Diptera)|date=2001|publisher=Slezské Zemské Muzeum|location=Opava|isbn=978-8086224213|pages=1–414|url=http://www.uoguelph.ca/debu/catalog.htm|accessdate=3 September 2017}}{{cite journal|last1=Marshall|first1=Stephen A.|last2=Roháček|first2=Jindřich|last3=Dong|first3=Hui|last4=Buck|first4=Matthias|title=The state of Sphaeroceridae (Diptera: Acalyptratae): a world catalog update covering the years 2000–2010, with new generic synonymy, new combinations, and new distributions|journal=Acta Entomologica Musei Nationalis Pragae|date=2011|volume=51|issue=1|pages=217–298|url=http://www.aemnp.eu/PDF/51_1/51_1_217.pdf|accessdate=24 October 2017|issn=0374-1036}}
Species
- O. aequalis (Grimshaw, 1901){{cite book|last1=Grimshaw|first1=P. H.|title=Diptera. In Sharp, D. (ed.): Fauna Hawaiiensis or the zoology of the Sandwich (Hawaiian) Isles ..., Part 1|volume=3|date=1901|publisher=University Press|location=Cambridge|pages=1–78}}
- O. bisecta (Malloch, 1914){{cite journal|last1=Malloch|first1=John Russell|title=Costa Rican Diptera collected by Philip P. Calvert, Ph.D., 1909-1910|journal=Transactions of the American Entomological Society, Philadelphia|date=1914|volume=40|pages=1–36|url=https://www.biodiversitylibrary.org/page/6467919#page/25/mode/1up|accessdate=7 November 2017}}
- O. brevisecunda Papp, 1991{{cite journal|last1=Papp|first1=L|title=Oriental Limosininae: new species and records (Diptera, Sphaeroceridae)|journal=Acta Zoologica Hungarica|date=1991|volume=37|pages=225–251}}
- O. brevistylus Marshall & Langstaff, 1998{{cite journal|last1=Marshall|first1=S. A.|last2=Langstaff|first2=R.|title=Revision of the New World species of Opacifrons Duda (Diptera, Sphaeroceridae, Limosininae)|journal=Contributions in Science, Natural History Museum of Los Angeles County|date=1998|volume=474|pages=1–27|url=https://www.biodiversitylibrary.org/page/52137343#page/281/mode/1up|accessdate=20 November 2017}}
- O. convexa (Spuler, 1924){{cite journal|last1=Spuler|first1=A|title=North American species of the subgenera Opacifrons Duda and Pteremis Rondani of the genus Leptocera Olivier (Diptera, Borboridae)|journal=Psyche: A Journal of Entomology|date=1924|volume=31|issue=3–4|pages=121–135|url=http://downloads.hindawi.com/journals/psyche/1924/019606.pdf|accessdate=30 October 2017|doi=10.1155/1924/19606|doi-access=free}}
- O. coxata (Stenhammar, 1855)
- O. cubita Marshall & Langstaff, 1998
- O. differentialis Su, Liu & Xu, 2013{{cite journal|last1=Su|first1=Li-Xin|last2=Liu|first2=Guang-Chun|last3=Xu|first3=Jie|title=Opalimosina (Diptera: Sphaeroceridae) from China with descriptions of two new species|journal=Entomologica Fennica|date=2013|volume=24|issue=1|pages=94–99|doi=10.33338/ef.8344|url=http://ojs.tsv.fi/index.php/entomolfennica/article/download/8344/6314|accessdate=20 November 2017|doi-access=free}}
- O. digna (Roháček, 1982){{cite journal|last1=Roháček|first1=Jindřich|title=Leptocera (Opacifrons) digna sp.n. (Diptera, Sphaeroceridae) from Bulgaria, with a key to Palaearctic species of the subgenus|journal=Acta Entomologica Bohemoslovaca|date=1982|volume=79|pages=64–72}}
- O. distorta Marshall & Langstaff, 1998
- O. dupliciseta (Duda, 1925){{cite journal|last1=Duda|first1=Oswald|title=Die außereuropäischen Arten der Gattung Leptocera Olivier - Limosina Macquart (Dipteren) mit Berücksichtigung der europäischen Arten|journal=Archiv für Naturgeschichte, Berlin, Abteilung A|date=1925|volume=90|issue=(11)(1924|pages=5–21|url=http://www.zobodat.at/pdf/Archiv-Naturgeschichte_90A_11_0001-0215.pdf|accessdate=21 October 2017}}
- O. elbergi (Papp, 1979){{cite journal|last1=Papp|first1=László|title= New species and records of Sphaeroceridae (Diptera) from the USSR|journal= Annales Historico-Naturales Musei Nationalis Hungarici|url=http://www.drosophila.jp/jdd/class/070401/07040122.pdf|accessdate=22 October 2017|volume=71|pages=219–230}}
- O. ghesquierei Vanschuytbroeck, 1951{{cite journal|last1=Vanschuytbroeck|first1=P.|title=Contribution à l'Ètude des Sphaeroceridae africains (Diptera Acalyptratae) (3me note)|journal=Bulletin. Institut Royal des Sciences Naturelles de Belgique, Bruxelles|date=1951|volume=27|issue=41|pages=1–20}}
- O. inornata Marshall & Langstaff, 1998
- O. liupanensis (Su & Liu, 2009)
- O. maculifrons (Becker, 1907){{cite journal|last1=Becker|first1=Theodor|title=Collections recueillies par M. Maurice de Rothschild dans l'Afrique orientale anglaise. Insectes dipteres nouveaux|journal=Bulletin du Muséum National d'Histoire Naturelle|date=1909|volume=15|pages=113–121|url=https://www.biodiversitylibrary.org/page/5032952#page/137/mode/1up|accessdate=8 October 2017}}
- O. mirabilis (Papp, 1973){{cite journal|last1=Papp|first1=László|title=Sphaeroceridae (Diptera) from Mongolia|journal=Acta Zoologica Academiae Scientiarum Hungaricae|date=1973|volume=19|pages=369–425}}
- O. moravica (Roháček, 1975){{cite journal|last1=Roháček|first1=Jindřich|title=Leptocera (Opacifrons) moravica sp.n. from Czechoslovakia (Diptera, Sphaeroceridae)|journal=Acta Entomologica Bohemoslovaca|date=1975|volume=72|pages=262–265}}
- O. niveohalterata (Duda, 1925)
- O. obunca Marshall & Langstaff, 1998
- O. orbicularis (Becker, 1920){{cite journal|last1=Becker|first1=Theodor|title=Diptères brachycères|journal=Mission du Service Géographique de l'Armée Pour la Mesure d'un Arc de Méridien Equatorial en Amérique du Sud, 1899-1906|date=1920|volume=10|issue=2|pages=163–215}}
- O. parabisecta Marshall & Langstaff, 1998
- O. pavicula Marshall & Langstaff, 1998
- O. prominentia Su, Liu & Xu, 2013
- O. pseudimpudica (Deeming, 1969){{cite journal|last1=Deeming|first1=J. C|title=Diptera from Nepal. Sphaeroceridae|journal=Bulletin of the British Museum (Natural History), Entomology|date=1969|volume=23|pages=53–74|doi=10.5962/bhl.part.15132|url=https://www.biodiversitylibrary.org/part/15132 |doi-access=free}}
- O. quadrispinosa Marshall & Langstaff, 1998
- O. quarta Marshall & Langstaff, 1998
- O. redunca Marshall & Langstaff, 1998
- O. rubrifrons (Vanschuytbroeck, 1950)
- O. simplisterna Marshall & Langstaff, 1998
- O. spatulata Marshall & Langstaff, 1998
- O. triloba Marshall & Langstaff, 1998