Periscelididae

Periscelididae are small flies, 3–4 mm long. The head is distinctly broader than high and the cheek is broad and bulging posteriorly. The postocellar bristles are present and diverging. The ocellar bristles are present, there are two orbital bristles on each side of frons, the anterior orbital bristle is directed forward and towards the median line. There is one pair of frontal bristles, curving backward. Interfrontal bristles are absent. Vibrissae (a row of vibrissa-like bristles) are well developed. On the mesonotum there are two pairs of dorsoscentral bristles. The costa is continuous (not interrupted), the subcosta is incomplete. The posterior basal wing cell and discoidal wing cell are fused and the anal vein does not reach the margin of the wings. The wing is clear or milky or with infuscated spots. Tibiae are usually banded and without dorsal preapical bristles.

These 12 genera belong to the family Periscelididae:

• Periscelidinae Oldenberg, 1914
• :Diopsosoma Malloch, 1932{{cite journal |last1=Malloch |first1=J. R. |title=A new genus of diopsidlike Diptera (Periscelidae). |journal=Stylops |date=1932 |volume=1 |pages=266–268}} ^{c g}
• :Marbenia Malloch, 1931{{cite journal |last1=Malloch |first1=J. R. |title=Notes on some acalyptrate flies in the United States National Museum. |journal=Proceedings of the United States National Museum |date=1931 |volume=78 |issue=15 |pages=1–32 |doi=10.5479/si.00963801.78-2858.1 |url=https://www.biodiversitylibrary.org/page/7526712#page/747/mode/1up |access-date=23 December 2019}}
• :Neoscutops Malloch, 1926{{cite journal |last1=Malloch |first1=J. R. |title=New genera and species of acalyptrate flies in the United States National Museum |journal=Proceedings of the United States National Museum |date=1926 |volume=68 |issue=21 |pages=1–35 |url=http://www.drosophila.jp/jdd/class/030708/03070845.pdf |access-date=23 December 2019}} ^{c g}
• :Parascutops Mathis & Papp, 1992 ^{c g}
• :Periscelis Loew, 1858 ^{i c g b}
• :Scutops Coquillett, 1904 ^{c g}
• Stenomicrinae Papp, 1984
• :Cyamops Melander, 1913{{cite journal |last1=Melander |first1=A. L. |title=A synopsis of the dipterous groups Agromyzinae, Milichiinae, Ochthiphilinae and Geomyzinae |journal=Journal of the New York Entomological Society |date=1913 |volume=21 |pages=283–300 |url=https://www.biodiversitylibrary.org/page/9142818#page/323/mode/1up |access-date=23 December 2019}} ^{i c g b}
• :Myodris Lioy, 1864 ^g
• :Planinasus Cresson, 1948 ^{c g}
• :Procyamops Hoffeins & Rung, 2005 ^g
• :Stenocyamops Papp, 2006{{cite journal |last1=Papp |first1=L. |last2=Merz |first2=B. |last3=Foldvari |first3=M. |title=Diptera of Thailand. 2006. A summary of the families and genera with references to the species representations |journal=Acta Zoologica Academiae Scientiarum Hungaricae |volume=52 |issue=2 |pages=97–269 |url=http://actazool.nhmus.hu/52/2/thaidipt.pdf |access-date=23 December 2019}} ^{c g}
• :Stenomicra Coquilett, 1900 ^{i c g b}

Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net

• [https://web.archive.org/web/20051031234926/http://www.faunaeur.org/full_results.php?id=10938 West Palaearctic including Russia]
• [https://web.archive.org/web/20190527005729/http://konchudb.agr.agr.kyushu-u.ac.jp/mokuroku/ Japan]
• World list

{{clade

|label1=Opomyzoidea

|1={{clade

|1=Clusioinea (ClusiidaeNello schema di McAlpine, i Clusiidae sono in relazione con il genere Acartophthalmus, che secondo l'analisi cladistica di Buck (2006) va collocato nel clade dei Carnoidea. Vedi Acartophthalmidae.)

|2={{clade

|1=Agromyzoinea (Odiniidae+Fergusoninidae+Agromyzidae)

|2={{clade

|1=Opomyzoinea (Opomyzidae+Anthomyzidae)

|label2=Asteioinea

|2={{clade

|1=Neurochaetidae+Aulacigastridae+Periscelididae

|2={{clade

|1=Teratomyzidae

|2={{clade

|1=Xenasteiidae

|2=Asteiidae

}}

}}

}}

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Morphology of Diptera

{{Reflist|refs=

{{Cite web| title=Periscelididae Report

| url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=144442

| website=Integrated Taxonomic Information System

| access-date=2018-04-21

}}

{{Cite web| title=Browse Periscelididae

| url=http://www.catalogueoflife.org/col/browse/tree/id/6c5804fc62a73580b7230815ebc1d13e

| website=Catalogue of Life

| access-date=2018-04-21

}}

{{Cite web| title=Periscelididae

| url=https://www.gbif.org/species/6161

| website=GBIF

| access-date=2018-04-21

}}

{{Cite web| title=Periscelididae Family Information

| url=https://bugguide.net/node/view/385318

| website=BugGuide.net

| access-date=2018-04-21

}}

}}

• Mc Alpine, J. F. 1987. Chapter 77. Periscelididae. pp. 895–898 in McAlpine, J.F., Peterson, B.V., Shewell, G.E., Teskey, H.J., Vockeroth, J.R. and D.M. Wood (eds.), Manual of Nearctic Diptera. Volume 2. Agriculture Canada Monograph 28: i-vi, 675–1332.
• Stackelberg, A.A. Family Periscelididae in Bei-Bienko, G. Ya, 1988 Keys to the insects of the European Part of the USSR Volume 5 (Diptera) Part 2 English edition. Keys to Palaearctic species but now needs revision. Uncertain family diagnosis.

• {{Wikispecies-inline}}
• Periscelididae in Italian.

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Category:Brachycera families

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