Wayne N. Mathis - Academia.edu (original) (raw)

Papers by Wayne N. Mathis

Research paper thumbnail of A Review Of The Shore fly Genus Polytrichophora Cresson From Asia

Proceedings of the Biological Society of Washington., 1989

Asian shore flies of the genus Polytrichophora Cresson are re- viewed. Included are four previous... more Asian shore flies of the genus Polytrichophora Cresson are re- viewed. Included are four previously described species (P. brunneifrons (Mei- jere), P. canora Cresson, P. duplosetosa (Becker), and P. pollinosa Miyagi). The tribe Discocerinini is characterized and a key to Asian discocerinine genera is provided; the monophyly of Polytrichophora is established, and a key to species occurring in the Palearctic and Oriental regions is presented, including P. orbitalis (Loew), which was reported to occur in north Africa (we have not seen specimens of this species from the Old World, however, and doubt its occurrence there). Polytrichophora luteicornis Cresson is determined to be a junior synonym of P. canora Cresson. All Asian species treated are redescribed, and characters of the male genitalia are illustrated.

Research paper thumbnail of Hydrellia wirthiana, new species of the pakistanae species group reared from Hydrilla (Diptera: Ephydridae)

Hydrellia wirthiana, new species of the pakistanae species group reared from Hydrilla (Diptera: Ephydridae)

Research paper thumbnail of Studies of Psilopinae (Diptera, Ephydridae)

Studies of Psilopinae (Diptera, Ephydridae)

Smithsonian Institution Press eBooks, 1986

Research paper thumbnail of New Synonym And Lectotype Designation In Ephydridae (Diptera)

New Synonym And Lectotype Designation In Ephydridae (Diptera)

Proceedings of the Entomological Society of Washington, 1977

Research paper thumbnail of A review of the beach-fly genus Isocanace Mathis (Diptera: Canacidae)

A review of the beach-fly genus Isocanace Mathis (Diptera: Canacidae)

Proceedings of the Entomological Society of Washington., 1999

... The latter species belongs to the Isocanace briani group, which previously comprised three Af... more ... The latter species belongs to the Isocanace briani group, which previously comprised three Afrotropical species: I. australis Mathis (Kenya, South Africa), I. briani Mathis (Al-dabra ... I3 Feb I998 [.1 Wayne N. Mathis." The holotype is double mounted tminuten in it block el' plttsti-Cl. ...

Research paper thumbnail of Natural History And Life Cycle Stages Of Notiphila carinata Diptera Ephydridae

Natural History And Life Cycle Stages Of Notiphila carinata Diptera Ephydridae

Proceedings of the Biological Society of Washington., 1979

Research paper thumbnail of Australian Beach Flies (Diptera: Canacidae)

Australian Beach Flies (Diptera: Canacidae)

Proceedings of the Biological Society of Washington, 1996

Research paper thumbnail of A revision of the shore-fly genus Hecamede haliday

A revision of the shore-fly genus Hecamede haliday

Smithsonian Institution Press eBooks, 1993

Research paper thumbnail of A cladistic analysis of the Neotropical genus Sepedonea Steyskal (Diptera: Sciomyzidae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2006

A cladistic analysis of the 13 known species of Sepedonea Steyskal, 1973, is presented and a new ... more A cladistic analysis of the 13 known species of Sepedonea Steyskal, 1973, is presented and a new species, Sepedonea giovana sp. n., is described. The monophyly of the genus is confirmed, as is the genus' sister-group relationship to Sepedomerus Steyskal, 1973. The cladistic analysis was done using NONA and a matrix of 27 adult morphological characters, including structures of the male and female terminalia. The relationships in parenthetic notation are: (S. guatemalana (S. veredae (S. lindneri (S. isthmi (S. lagoa ((S. barbosai+ S. canabravana) ((S. neffi (S. giovana+S. guianica))(S. telson (S. incipiens+S. trichotypa))))))))).

Research paper thumbnail of A Revision Of The Nearctic Aulacigaster Macquart With Notes On A-Leucopeza (Meigen) From The Palearctic Region (Diptera, Aulacigastridae)

A Revision Of The Nearctic Aulacigaster Macquart With Notes On A-Leucopeza (Meigen) From The Palearctic Region (Diptera, Aulacigastridae)

Proceedings of the Entomological Society of Washington., 1994

Research paper thumbnail of An Adventive Species of Brachydeutera Loew in North America (Diptera: Ephydridae)

An Adventive Species of Brachydeutera Loew in North America (Diptera: Ephydridae)

Journal of The New York Entomological Society, 1986

... Wirth, 1964:7 [revision]; Ramachandra Rao, 1970:354; Cogan and Wirth, 1977:337 [Oriental cata... more ... Wirth, 1964:7 [revision]; Ramachandra Rao, 1970:354; Cogan and Wirth, 1977:337 [Oriental catalog]; Mathis and Ghor pade, 1985:15-18 [revision]. Diagnosis. ... Talbot Co., Wittman (at black light near open fields, mixed forest and tidal creek), Aug. ...

Research paper thumbnail of A new species of Cyamops Melander (diptera: Periscelididae) from Brazil, with distributional notes on another species

A new species of Cyamops Melander (diptera: Periscelididae) from Brazil, with distributional notes on another species

Proceedings of the Entomological Society of Washington., 1996

Research paper thumbnail of A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

Research paper thumbnail of A New Species Of Limnellia Malloch (Diptera, Ephydridae) From Mt Rainier, Washington

A New Species Of Limnellia Malloch (Diptera, Ephydridae) From Mt Rainier, Washington

Entomological News, 1980

Research paper thumbnail of A revision of the genus Oedoparena Curran (Diptera: Dryomyzidae: Dryomyzinae)

A revision of the genus Oedoparena Curran (Diptera: Dryomyzidae: Dryomyzinae)

Proceedings of the Entomological Society of Washington., 1980

... follows: Oregon: Clatsop Co., Cannon Beach (intertidal zone, rock crevices), I8 Mar 1956, JD ... more ... follows: Oregon: Clatsop Co., Cannon Beach (intertidal zone, rock crevices), I8 Mar 1956, JD Lattin (1 <5, 3 92; OSU); Lincoln Co., Cape Perpetua, 29 Mar I975, WN Mathis (3 6 ... In Smith RI and JT Carlton, eds., Light's manual: Intertidal invertebrates of the central California coast. ...

Research paper thumbnail of Notes on neotropical species of Tethina haliday (Diptera: Tethinidae)

Notes on neotropical species of Tethina haliday (Diptera: Tethinidae)

Proceedings of the Entomological Society of Washington., Jul 1, 2000

Abstract.—Neotropical beach-fly species (Diptera: Tethinidae) not included in a previous faunal re... more Abstract.—Neotropical beach-fly species (Diptera: Tethinidae) not included in a previous faunal revision of the Caribbean, Gulf of Mexico, and Bermuda are reviewed, including description of the following new species (type locality in parenthesis): Tethina robusta ( ...

Research paper thumbnail of Two new neotropical genera of the shore-fly tribe Ephydrini Zetterstedt (Diptera: Ephydridae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2008

Two new shore-fly genera, Paraephydra gen. nov. and Neoephydra gen. nov., from the Neotropical Re... more Two new shore-fly genera, Paraephydra gen. nov. and Neoephydra gen. nov., from the Neotropical Region are described. Paraephydra is revised and includes P. freitasi (Oliveira), comb. nov. and P. stauros, sp. nov. For the genus Neoephydra, N. araucaria, sp. nov., is described and new combinations are made for most Neotropical species previously placed in Dimecoenia. The tribe Ephydrini is characterized and a key to the genera of this tribe is presented.

Research paper thumbnail of Coetzeemyia, a new subgenus of Aedes, and a redescription of the holotype female of Aedes (Coetzeemyia) fryeri (Theobald) (Diptera: Culicidae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2010

Coetzeemyia, a new subgenus of Aedes Meigen (in the broad traditional sense, pre-Reinert 2000), i... more Coetzeemyia, a new subgenus of Aedes Meigen (in the broad traditional sense, pre-Reinert 2000), is characterized and diagnosed. Aedes fryeri (Theobald) is removed from the subgenus Levua Stone and Bohart (genus Levua of ) and placed in the new monotypic subgenus Coetzeemyia as its type species by present designation. Recognition of Coetzeemyia is based in part on a cladistic analysis of 16 species: seven outgroup species (four non-Aedini species and 3 aedine species) and nine within group species, including the three species that had been included in Levua and six other species belonging to three related subgenera in Aedes (Geoskusea Edwards, Rhinoskusea Edwards, and Ochlerotatus Lynch Arribalzaga). The type female and the male genitalia of Ae. fryeri are redescribed and illustrated. Its affinity to other subgenera of the genus Aedes is discussed. Information on the type data, distribution, bionomics, medical importance, and taxonomy of this species are presented. Some morphological characteristics of adults of the subgenera Ochlerotatus and Levua of Aedes are tabulated. Based on this cladistic analysis, it is evident that Levua is a monotypic lineage represented by a single known species, Ae. geoskusea. Aedes dufouri is transferred back to the subgenus Ochlerotatus and is distinguished from other congeners of this subgenus.

Research paper thumbnail of Bibliography for Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America

Bibliography for Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America

Zootaxa, Aug 5, 2021

<jats:p>The ongoing usefulness of Table 1 in the Zootaxa paper Comprehensive taxonomic, fau... more <jats:p>The ongoing usefulness of Table 1 in the Zootaxa paper Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America (Murphy et al. 2018) is compromised by impermanent literature-citation numbering. To secure Table 1 as a permanent resource for the study of Sciomyzidae, provided herein are bibliographic data for the 59 works cited in that paper by Bibliography of Sciomyzidae ("ScioBiblio") number only. Details are provided regarding the history of the ScioBiblio and plans to reorganize and publish it.&#x0D; </jats:p>

Research paper thumbnail of Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States

Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2016

The Neotropical genera and species of the tribe Ephydrini are revised and include nine genera and... more The Neotropical genera and species of the tribe Ephydrini are revised and include nine genera and 33 species. Of the nine genera, Setacera Cresson, Cirrula Cresson, Dimecoenia Cresson, Paracoenia Cresson and Ephydra Fallen are mostly temperate in distribution, primarily in the Northern Hemisphere. The other four genera, which are exclusively Neotropical, include two, Austrocoenia and Notiocoenia, that were treated previously in the tribe Scatellini, and two recently described genera: Paraephydra (type species: Paraephydra freitasi (Oliveira)) and Neoephydra (type species: Neoephydra araucaria Mathis). New species described herein are: Neoephydra neotropica (Chile), N. dasycephala (Argentina and Peru), N. mallonota (Argentina, Bolivia, and Chile), N. shewelli (Argentina, Bolivia, and Chile), N. inca (Argentina, Bolivia, Peru), N. penai (Chile) and N. trichina (Argentina and Chile). New synonyms are (cited in their original combinations): Ephydra densepilosa Hendel = E. ciligena Rondani, Dimecoenia grumanni Oliveira = E. ciligena Rondani, D. coltaensis Cresson = D. zurcheri Hendel, D. carrerai Oliveira = D. zurcheri Hendel, D. lopesi = E. ciligena Rondani, D. travassosi Mello and Oliveira = E. prionoptera Thomson. A neotype is designated for E. caesia Wulp, and the following lectotype designations have also been made to better stabilize nomenclature (here cited in their original combination): Ephydra chilensis Macquart, Ephydra densepilosa Hendel, Ephydra pravoneura Hendel, Ephydra prionoptera Thomson, and Dimecoenia zurcheri Hendel. Dimecoenia venteli Oliveira is listed as a species inquirenda , as the type series includes only female specimens that we cannot presently recognize. Although the genera and subgenera are fairly easily distinguished, the included species are frequently difficult to separate, and we have generally relied on characters of the male terminalia to determine a species identity. Illustrations of male terminalia and distribution maps are included for each species and keys to all taxa have been provided.

Research paper thumbnail of A Review Of The Shore fly Genus Polytrichophora Cresson From Asia

Proceedings of the Biological Society of Washington., 1989

Asian shore flies of the genus Polytrichophora Cresson are re- viewed. Included are four previous... more Asian shore flies of the genus Polytrichophora Cresson are re- viewed. Included are four previously described species (P. brunneifrons (Mei- jere), P. canora Cresson, P. duplosetosa (Becker), and P. pollinosa Miyagi). The tribe Discocerinini is characterized and a key to Asian discocerinine genera is provided; the monophyly of Polytrichophora is established, and a key to species occurring in the Palearctic and Oriental regions is presented, including P. orbitalis (Loew), which was reported to occur in north Africa (we have not seen specimens of this species from the Old World, however, and doubt its occurrence there). Polytrichophora luteicornis Cresson is determined to be a junior synonym of P. canora Cresson. All Asian species treated are redescribed, and characters of the male genitalia are illustrated.

Research paper thumbnail of Hydrellia wirthiana, new species of the pakistanae species group reared from Hydrilla (Diptera: Ephydridae)

Hydrellia wirthiana, new species of the pakistanae species group reared from Hydrilla (Diptera: Ephydridae)

Research paper thumbnail of Studies of Psilopinae (Diptera, Ephydridae)

Studies of Psilopinae (Diptera, Ephydridae)

Smithsonian Institution Press eBooks, 1986

Research paper thumbnail of New Synonym And Lectotype Designation In Ephydridae (Diptera)

New Synonym And Lectotype Designation In Ephydridae (Diptera)

Proceedings of the Entomological Society of Washington, 1977

Research paper thumbnail of A review of the beach-fly genus Isocanace Mathis (Diptera: Canacidae)

A review of the beach-fly genus Isocanace Mathis (Diptera: Canacidae)

Proceedings of the Entomological Society of Washington., 1999

... The latter species belongs to the Isocanace briani group, which previously comprised three Af... more ... The latter species belongs to the Isocanace briani group, which previously comprised three Afrotropical species: I. australis Mathis (Kenya, South Africa), I. briani Mathis (Al-dabra ... I3 Feb I998 [.1 Wayne N. Mathis.&quot; The holotype is double mounted tminuten in it block el&#x27; plttsti-Cl. ...

Research paper thumbnail of Natural History And Life Cycle Stages Of Notiphila carinata Diptera Ephydridae

Natural History And Life Cycle Stages Of Notiphila carinata Diptera Ephydridae

Proceedings of the Biological Society of Washington., 1979

Research paper thumbnail of Australian Beach Flies (Diptera: Canacidae)

Australian Beach Flies (Diptera: Canacidae)

Proceedings of the Biological Society of Washington, 1996

Research paper thumbnail of A revision of the shore-fly genus Hecamede haliday

A revision of the shore-fly genus Hecamede haliday

Smithsonian Institution Press eBooks, 1993

Research paper thumbnail of A cladistic analysis of the Neotropical genus Sepedonea Steyskal (Diptera: Sciomyzidae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2006

A cladistic analysis of the 13 known species of Sepedonea Steyskal, 1973, is presented and a new ... more A cladistic analysis of the 13 known species of Sepedonea Steyskal, 1973, is presented and a new species, Sepedonea giovana sp. n., is described. The monophyly of the genus is confirmed, as is the genus' sister-group relationship to Sepedomerus Steyskal, 1973. The cladistic analysis was done using NONA and a matrix of 27 adult morphological characters, including structures of the male and female terminalia. The relationships in parenthetic notation are: (S. guatemalana (S. veredae (S. lindneri (S. isthmi (S. lagoa ((S. barbosai+ S. canabravana) ((S. neffi (S. giovana+S. guianica))(S. telson (S. incipiens+S. trichotypa))))))))).

Research paper thumbnail of A Revision Of The Nearctic Aulacigaster Macquart With Notes On A-Leucopeza (Meigen) From The Palearctic Region (Diptera, Aulacigastridae)

A Revision Of The Nearctic Aulacigaster Macquart With Notes On A-Leucopeza (Meigen) From The Palearctic Region (Diptera, Aulacigastridae)

Proceedings of the Entomological Society of Washington., 1994

Research paper thumbnail of An Adventive Species of Brachydeutera Loew in North America (Diptera: Ephydridae)

An Adventive Species of Brachydeutera Loew in North America (Diptera: Ephydridae)

Journal of The New York Entomological Society, 1986

... Wirth, 1964:7 [revision]; Ramachandra Rao, 1970:354; Cogan and Wirth, 1977:337 [Oriental cata... more ... Wirth, 1964:7 [revision]; Ramachandra Rao, 1970:354; Cogan and Wirth, 1977:337 [Oriental catalog]; Mathis and Ghor pade, 1985:15-18 [revision]. Diagnosis. ... Talbot Co., Wittman (at black light near open fields, mixed forest and tidal creek), Aug. ...

Research paper thumbnail of A new species of Cyamops Melander (diptera: Periscelididae) from Brazil, with distributional notes on another species

A new species of Cyamops Melander (diptera: Periscelididae) from Brazil, with distributional notes on another species

Proceedings of the Entomological Society of Washington., 1996

Research paper thumbnail of A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

Research paper thumbnail of A New Species Of Limnellia Malloch (Diptera, Ephydridae) From Mt Rainier, Washington

A New Species Of Limnellia Malloch (Diptera, Ephydridae) From Mt Rainier, Washington

Entomological News, 1980

Research paper thumbnail of A revision of the genus Oedoparena Curran (Diptera: Dryomyzidae: Dryomyzinae)

A revision of the genus Oedoparena Curran (Diptera: Dryomyzidae: Dryomyzinae)

Proceedings of the Entomological Society of Washington., 1980

... follows: Oregon: Clatsop Co., Cannon Beach (intertidal zone, rock crevices), I8 Mar 1956, JD ... more ... follows: Oregon: Clatsop Co., Cannon Beach (intertidal zone, rock crevices), I8 Mar 1956, JD Lattin (1 &amp;amp;lt;5, 3 92; OSU); Lincoln Co., Cape Perpetua, 29 Mar I975, WN Mathis (3 6 ... In Smith RI and JT Carlton, eds., Light&amp;amp;#x27;s manual: Intertidal invertebrates of the central California coast. ...

Research paper thumbnail of Notes on neotropical species of Tethina haliday (Diptera: Tethinidae)

Notes on neotropical species of Tethina haliday (Diptera: Tethinidae)

Proceedings of the Entomological Society of Washington., Jul 1, 2000

Abstract.—Neotropical beach-fly species (Diptera: Tethinidae) not included in a previous faunal re... more Abstract.—Neotropical beach-fly species (Diptera: Tethinidae) not included in a previous faunal revision of the Caribbean, Gulf of Mexico, and Bermuda are reviewed, including description of the following new species (type locality in parenthesis): Tethina robusta ( ...

Research paper thumbnail of Two new neotropical genera of the shore-fly tribe Ephydrini Zetterstedt (Diptera: Ephydridae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2008

Two new shore-fly genera, Paraephydra gen. nov. and Neoephydra gen. nov., from the Neotropical Re... more Two new shore-fly genera, Paraephydra gen. nov. and Neoephydra gen. nov., from the Neotropical Region are described. Paraephydra is revised and includes P. freitasi (Oliveira), comb. nov. and P. stauros, sp. nov. For the genus Neoephydra, N. araucaria, sp. nov., is described and new combinations are made for most Neotropical species previously placed in Dimecoenia. The tribe Ephydrini is characterized and a key to the genera of this tribe is presented.

Research paper thumbnail of Coetzeemyia, a new subgenus of Aedes, and a redescription of the holotype female of Aedes (Coetzeemyia) fryeri (Theobald) (Diptera: Culicidae)

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2010

Coetzeemyia, a new subgenus of Aedes Meigen (in the broad traditional sense, pre-Reinert 2000), i... more Coetzeemyia, a new subgenus of Aedes Meigen (in the broad traditional sense, pre-Reinert 2000), is characterized and diagnosed. Aedes fryeri (Theobald) is removed from the subgenus Levua Stone and Bohart (genus Levua of ) and placed in the new monotypic subgenus Coetzeemyia as its type species by present designation. Recognition of Coetzeemyia is based in part on a cladistic analysis of 16 species: seven outgroup species (four non-Aedini species and 3 aedine species) and nine within group species, including the three species that had been included in Levua and six other species belonging to three related subgenera in Aedes (Geoskusea Edwards, Rhinoskusea Edwards, and Ochlerotatus Lynch Arribalzaga). The type female and the male genitalia of Ae. fryeri are redescribed and illustrated. Its affinity to other subgenera of the genus Aedes is discussed. Information on the type data, distribution, bionomics, medical importance, and taxonomy of this species are presented. Some morphological characteristics of adults of the subgenera Ochlerotatus and Levua of Aedes are tabulated. Based on this cladistic analysis, it is evident that Levua is a monotypic lineage represented by a single known species, Ae. geoskusea. Aedes dufouri is transferred back to the subgenus Ochlerotatus and is distinguished from other congeners of this subgenus.

Research paper thumbnail of Bibliography for Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America

Bibliography for Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America

Zootaxa, Aug 5, 2021

<jats:p>The ongoing usefulness of Table 1 in the Zootaxa paper Comprehensive taxonomic, fau... more <jats:p>The ongoing usefulness of Table 1 in the Zootaxa paper Comprehensive taxonomic, faunistic, biological, and geographic inventory and analysis of the Sciomyzidae (Diptera: Acalyptratae) of the Delmarva region and nearby states in eastern North America (Murphy et al. 2018) is compromised by impermanent literature-citation numbering. To secure Table 1 as a permanent resource for the study of Sciomyzidae, provided herein are bibliographic data for the 59 works cited in that paper by Bibliography of Sciomyzidae ("ScioBiblio") number only. Details are provided regarding the history of the ScioBiblio and plans to reorganize and publish it.&#x0D; </jats:p>

Research paper thumbnail of Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States

Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States

Zenodo (CERN European Organization for Nuclear Research), Dec 31, 2016

The Neotropical genera and species of the tribe Ephydrini are revised and include nine genera and... more The Neotropical genera and species of the tribe Ephydrini are revised and include nine genera and 33 species. Of the nine genera, Setacera Cresson, Cirrula Cresson, Dimecoenia Cresson, Paracoenia Cresson and Ephydra Fallen are mostly temperate in distribution, primarily in the Northern Hemisphere. The other four genera, which are exclusively Neotropical, include two, Austrocoenia and Notiocoenia, that were treated previously in the tribe Scatellini, and two recently described genera: Paraephydra (type species: Paraephydra freitasi (Oliveira)) and Neoephydra (type species: Neoephydra araucaria Mathis). New species described herein are: Neoephydra neotropica (Chile), N. dasycephala (Argentina and Peru), N. mallonota (Argentina, Bolivia, and Chile), N. shewelli (Argentina, Bolivia, and Chile), N. inca (Argentina, Bolivia, Peru), N. penai (Chile) and N. trichina (Argentina and Chile). New synonyms are (cited in their original combinations): Ephydra densepilosa Hendel = E. ciligena Rondani, Dimecoenia grumanni Oliveira = E. ciligena Rondani, D. coltaensis Cresson = D. zurcheri Hendel, D. carrerai Oliveira = D. zurcheri Hendel, D. lopesi = E. ciligena Rondani, D. travassosi Mello and Oliveira = E. prionoptera Thomson. A neotype is designated for E. caesia Wulp, and the following lectotype designations have also been made to better stabilize nomenclature (here cited in their original combination): Ephydra chilensis Macquart, Ephydra densepilosa Hendel, Ephydra pravoneura Hendel, Ephydra prionoptera Thomson, and Dimecoenia zurcheri Hendel. Dimecoenia venteli Oliveira is listed as a species inquirenda , as the type series includes only female specimens that we cannot presently recognize. Although the genera and subgenera are fairly easily distinguished, the included species are frequently difficult to separate, and we have generally relied on characters of the male terminalia to determine a species identity. Illustrations of male terminalia and distribution maps are included for each species and keys to all taxa have been provided.