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A revision of the New World species of Gymnoclasiopa Hendel (Diptera, Ephydridae).

ABSTRACT: Species of the shore-fly genus Gymnoclasiopa Hendel from the New World are revised, including Gymnoclasiopa grecorumsp. n. (Alaska. Juneau: Gastineau Channel, Thane Road (S Juneau; 58°16.9'N, 134°22.4'W)) and Gymnoclasiopa matanuska sp. n. (Alaska. Matanuska-Susitna: Palmer (Matanuska River; 61°36.5'N, 149°04.1'W)). We also clarify the status of previously described species, including those now discovered to have Holarctic distributions and/or for which sexual dimorphism was not appreciated and the species was described twice, including Gymnoclasiopa montana (Cresson) as a syn. n. of Gymnoclasiopa bohemanni (Becker). Two species, Gymnoclasiopa bella (Mathis), comb. n., and Gymnoclasiopa chiapas (Mathis), comb. n., are transferred from Ditrichophora to Gymnoclasiopa, and Gymnoclasiopa cana Cresson stat. rev. and Ditrichophora canifrons Cresson, stat. rev. are returned to Ditrichophora, the genus in which Cresson originally described them. A neotype is designated for Gymnoclasiopa tacoma to stabilize the nomenclature of this species. The two excluded species, Ditrichophora cana and Ditrichophora canifrons, are diagnosed and distributional data are also provided. For all known New World species of Gymnoclasiopa, structures of the male terminalia are described for the first time and are fully illustrated. Detailed locality data and distribution maps are also included. To provide context and also to facilitate identification, diagnoses are included for the tribe Discocerinini and genus in addition to a key to the genera and species occurring in the New World.

SUBMITTER: Mathis WN

PROVIDER: S-EPMC3520135 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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A revision of the New World species of Gymnoclasiopa Hendel (Diptera, Ephydridae).

Mathis Wayne N WN Zatwarnicki Tadeusz T

ZooKeys 20121205 248

Species of the shore-fly genus Gymnoclasiopa Hendel from the New World are revised, including Gymnoclasiopa grecorumsp. n. (Alaska. Juneau: Gastineau Channel, Thane Road (S Juneau; 58°16.9'N, 134°22.4'W)) and Gymnoclasiopa matanuska sp. n. (Alaska. Matanuska-Susitna: Palmer (Matanuska River; 61°36.5'N, 149°04.1'W)). We also clarify the status of previously described species, including those now discovered to have Holarctic distributions and/or for which sexual dimorphism was not appreciated and ...[more]

PMID: 23275757

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Project description:A revision of the shore-fly genus Hydrochasma Hendel. The species of the genus Hydrochasma Hendel are revised, including 27 new species (type locality in parenthesis): H. andeum (Ecuador. Guayas: Boliche (02°07.7'S, 79°35.5'W)), H. annae (United States. Utah. Grand: Swasey Beach (15.3 km N Green River; 39°07'N, 110°06.6'W; Green River; 1255 m)), H. capsum (Ecuador. Orellana: RíoTiputini (0°38.2'S, 76°8.9'W)), H. castilloi (Ecuador. Loja: Catamayo (03°59'S, 79°21'W)), H. crenulum (Peru. Cuzco: Paucartambo, Atalaya (Río Alto Madre de Dios; 12°53.3'S, 71°21.6'W; 600 m)), H. denticum (Ecuador. Orellana: Río Tiputini (0°38.2'S, 76°8.9'W)), H. digitatum (Peru. Madre de Dios: Diamante (Río Alto Madre de Dios; 12°19.9'S, 70°57.5'W; 400 m)), H. distinctum (Costa Rica. Limón: Parque Nacional Barbilla, Sector Casas Negras, (10°0.8'N, 83°28.1'W; 300 m)), H. dolabrutum (Dominican Republic. Barahona: Barahona (18°12'N, 71°5.3'W)), H. edmistoni (Dominican Republic. Azua: near Pueblo Viejo (18°24.8'N, 70°44.7'W)), H. falcatum (Peru. Madre de Dios: Río Manu, Erika (near Salvación; 12°50.7'S, 71°23.3'W; 550 m)), H. glochium (Dominican Republic. Peravia: San José Ocoa (10 km NE; 18°35'N, 70°25.6'W)), H. kaieteur (Guyana. Kaieteur Falls (05°10.5'N, 59°26.9'W)), H. lineatum (Trinidad and Tobago. Trinidad. St. George: Filette (1 km SE; 10°47'N, 61°21'W)), H. miguelito (Honduras. Cortés: San Pedro Sula (8 km S; 15°25.7'N, 88°01.4'W)), H. octogonum (Ecuador. Manabí: Pichincha (01°02.7'S, 79°49.2'W)), H. parallelum (Trinidad and Tobago. Trinidad. St. Andrew: Lower Manzanilla (16 km S; 10°22'N, 61°01'W)), H. peniculum (Dominican Republic. Pedernales: Pedernales (18°01.8'N, 71°44.7'W)), H. rictum (Honduras. Cortés: San Pedro Sula (8 km S; 15°25.7'N, 88°01.4'W)), H. robustum (Brazil. São Paulo. Ubatuba, Praia Puruba (23°21'S, 44°55.6'W; beach)), H. sagittarium (Trinidad and Tobago. Tobago: St. John: Parlatuvier (creek; 11°17.9'N, 60°35'W)), H. simplicum (Costa Rica. Limón: Parque Nacional Barbilla, Sector Casas Negras, (10°01.2'N, 83°26.2'W; 300 m)), H. sinuatum (Belize. Stann Creek: Mullins Creek (17 km N Dangriga; 17°06.2'N, 88°17.8'W)), H. spinosum (Costa Rica. Limón: Westfalia (4 km S; 09°54.5'N, 82°59'W; beach)), H. urnulum (Dominican Republic. Puerto Plata: Río Camu (14 km E Puerto Plata; 19°41.9'N, 70°37.5'W)), H. viridum (Guyana. Karanambo, Rupununi River (ox bow; 03°45.1'N, 59°18.6'W)), H. williamsae (Belize. Stann Creek: Mullins River (17 km N Dangriga; 17°06.2'N, 88°17.8'W)). All known species are described with an emphasis on structures of the male terminalia, which are fully illustrated. Detailed locality data and distribution maps for all species are provided. A lectotype is designated for Discocerina incisum Coquillett and Hydrochasma zernyi Hendel. For perspective and to facilitate genus-group and species-group recognition, the tribe Discocerinini is diagnosed and a key to included genera in the New World is provided.

Project description:The New World species of Polytrichophora Cresson and Facitrichophora new genus, are revised. Fifteen new species are described (type locality in parenthesis): Facitrichophora atrellasp. n. (Costa Rica. Guanacaste: Murciélago [10°56.9'N, 85°42.5'W; sandy mud flats around mangrove inlet]), Facitrichophora carvalhorumsp. n. (Brazil. São Paulo: Praia Puruba [23°21'S, 44°55.6'W; beach]), Facitrichophora manzasp. n. (Trinidad and Tobago. Trinidad. St. Andrew: Lower Manzanilla (12 km S; 10°24.5'N, 61°01.5'W), bridge over Nariva River), Facitrichophora panamasp. n. (Panama. Darien: Garachine [8°04'N, 78°22'W]), Polytrichophora adarcasp. n. (Barbados. Christ Church: Graeme Hall Nature Sanctuary [13°04.2'N, 59°34.7'W; swamp]), Polytrichophora arnaudorumsp. n. (Mexico. Baja California. San Felipe [31°01.5'N, 114°50.4'W]), Polytrichophora barbasp. n. (Cuba. Sancti Spiritus: Topes de Collantes [21°54.4'N, 80°01.4'W, 670 m]), Polytrichophora flavellasp. n. (Peru. Madre de Dios: Rio Manu, Pakitza [11°56.6'S, 71°16.9'W; 250 m]), Polytrichophora marinoniorumsp. n. (Brazil. Paraná: Antonina [25°28.4'S, 48°40.9'W; mangal]), Polytrichophora rostrasp. n. (Peru. Madre de Dios: Rio Manu, Pakitza [11°56.6'S, 71°16.9'W; 250 m]), Polytrichophora sinuosasp. n. (Trinidad and Tobago. Trinidad. St. Andrew: Lower Manzanilla [12 km S; 10°24'N, 61°02'W]), Polytrichophora mimbressp. n. (United States. New Mexico. Grant: Mimbres River [New Mexico Highway 61 & Royal John Mine Road; 32°43.8'N, 107°52'W; 1665 m]), Polytrichophora salixsp. n. (United States. Alaska. Matanuska-Susitna: Willow Creek [61°46.1'N, 150°04.2'W; 50 m]), Polytrichophora sturtevantorumsp. n. (United States. Tennessee. Shelby: Meeman Shelby State Park [Mississippi River; 35°20.4'N, 90°2.1'W; 98 m]), Polytrichophora prolatasp. n. (Belize. Stann Creek: Cockscomb Basin Wildlife Sanctuary [16°45'N, 88°30'W]). All known New World species of both genera are described with an emphasis on structures of the male terminalia, which are fully illustrated. Detailed locality data and distribution maps for all species are provided. For perspective and to facilitate recognition, the tribe Discocerinini is diagnosed and a key to included genera is provided.

Project description:The New World species of the subgenera Allotrichoma Becker and Neotrichoma (new subgenus) are revised, including a phylogenetic analysis of the species groups and subgenera within the genus Allotrichoma. For phylogenetic perspective and to document the monophyly of the genus Allotrichoma and its included subgenera and species groups, we also provide a cladistic analysis of genera within the tribe Hecamedini. The ingroup included seven exemplar congeners from within Allotrichoma. Outgroup sampling included exemplars of other genera within Hecamedini and from the putative sister group, Lipochaetini, and to root the analysis, we used an exemplar of the tribe Discocerinini. Analyses with successive weighting and implied weighting recovered a monophyletic Allotrichoma and indicated clades within the genus. Eight new species are described (type locality in parenthesis): Allotrichoma bifurcatum (Utah. Utah: Lake Shore (40°06.9'N, 111°41.8'W; 1370 m)), Allotrichoma dynatum (Oregon. Benton: Finley National Wildlife Refuge (44°24.6'N, 123°19.5'W)), Allotrichoma occidentale (Oregon. Lake: Lakeview (44 km E; Drake Creek; 42°11'N, 119°59.3'W)), Allotrichoma robustum (California. Kern: Kern River (35°16.1'N, 119°18.4'W)), Allotrichoma sabroskyi (New Mexico. Sandoval: La Cueva (Junction of Highways 126 and 4; 35°52'N, 106°38.4'W; 2342 m)), Allotrichoma wallowa (Oregon Baker: Goose Creek (35 km E Baker City; 44°49.2'N, 117°27.79'W; 825 m)), Allotrichoma baliops (Florida. Monroe: Key West (Willie Ward Park; 24°32.9'N, 81°47.9'W)), and Allotrichoma insulare (Dominica. Cabrits Swamp (15°35'N, 61°29'W)). Within Allotrichoma, we recognize three subgenera of which one, Neotrichoma (type species: Allotrichoma atrilabre), is newly described. All known species from the New World are described with an emphasis on structures of the male terminalia, which are fully illustrated. Detailed locality data and distribution maps for the New World species are provided. A lectotype is designated for Discocerina simplex Loew and a neotype is designated for Allotrichoma bezzii Becker. Allotrichoma filiforme Becker, Allotrichoma trispinum Becker, and Allotrichoma dahli Beschovski are reported as new synonyms of Allotrichoma simplex (Loew) and Allotrichoma yosemite Cresson is a new synonym of Allotrichoma atrilabre Cresson. We also clarify the status of previously described species, including those with Holarctic distributions. For perspective and to facilitate genus-group and species-group recognition, the tribe Hecamedini is diagnosed and a key to included genera is provided.

Dataset Information

A revision of the New World species of Gymnoclasiopa Hendel (Diptera, Ephydridae).

Publications

A revision of the New World species of Gymnoclasiopa Hendel (Diptera, Ephydridae).

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