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Aproximadamente 15 registro(s) hasta el momento: (journal)

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A new cryptic species of Leberis Smirnov, 1989 (Crustacea, Cladocera, Chydoridae) from the Mexican semi-desert region, highlighted by DNA barcoding
Elías-Gutiérrez,Manuel - Valdez-Moreno,Martha

Formato:	journal article
Enlaces:	DNA barcoding, based in the sequence of a gene from the mitochondria, the Citochrome C oxidase (CO1), has been proved to be an excellent tool to identify many animal groups from invertebrates to vertebrates. After barcode several Cladocera, we gathered…
Fecha:	2008-03-01
Recurso:	SCIELO

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A new record and redescription of Schizopera (Schizopera) knabeni (Copepoda: Harpacticoida: Miraciidae) from north-western Mexico
Gómez,Samuel - Vargas-Arriaga,Febe Elizabeth

Formato:	journal article
Enlaces:	Specimens of Schizopera Sars, 1905 were found during sampling in 2 brackish systems in central and southern Sinaloa (north-western Mexico). The specimens turned out to belong to Schizopera (Schizopera) knabeni Lang, 1965 which was originally described from Monterey Bay (the…
Fecha:	2008-06-01
Recurso:	SCIELO

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A new rhabdiasid species from Craugastor occidentalis (Anura: Brachycephalidae) from Sierra de Manantlan, Jalisco, Mexico
Martínez-Salazar,Elizabeth A.

Formato:	journal article
Enlaces:	Rhabdias manantlanensis n. sp., parasite of the lungs of Craugastor occidentalis is illustrated and described. Rhabdias manantlanensis differs from related species in the genus by the combination of the following characters: elongated body, cuticle slightly swollen (thin and smooth), 6…
Fecha:	2008-06-01
Recurso:	SCIELO

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First record and redescription of Tisbella pulchella (Copepoda: Harpacticoida) from the eastern tropical Pacific
Morales-Serna,Francisco Neptalí - Gómez,Samuel

Formato:	journal article
Enlaces:	Specimens of the genus Tisbella Gurney, 1927 were found during a series of sampling campaigns in 2 brackish systems in southern Sinaloa (north-western Mexico). The specimens were identified as Tisbella pulchella (Wilson, 1932), a species of harpacticoid copepod originally described…
Fecha:	2008-06-01
Recurso:	SCIELO

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A new species of Temnocephala (Platyhelminthes, Temnocephalida) commensal of Pomella megastoma (Mollusca, Ampullariidae) from Misiones, Argentina
Damborenea,Cristina - Brusa,Francisco

Formato:	journal article
Enlaces:	Temnocephala lamothei n. sp., a commensal of Pomella megastoma (Sowerby, 1825), is described herein from specimens collected at Arroyo Yabotí-Miní (Misiones province, Argentina). Juveniles and adults were removed from the mantle cavity by host relaxation. Distinctive characters of the new…
Fecha:	2008-08-01
Recurso:	SCIELO

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Protoperidinium Bergh (Dinophyceae) of the National Park Sistema Arrecifal Veracruzano, Gulf of Mexico, with a key for identification
Okolodkov,Yuri B.

Formato:	journal article
Enlaces:	The morphology of 46 species of Protoperidinium was studied based on 510 phytoplankton net samples taken from May 2005 through February 2007 at 7 stations in the northwestern part of the National Park Sistema Arrecifal Veracruzano, southern Gulf of Mexico.…
Fecha:	2008-07-01
Recurso:	SCIELO

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Cyathus species (Basidiomycota: Fungi) from the Atlantic Forest of Pernambuco, Brazil: taxonomy and ecological notes
Trierveiler-Pereira,Larissa - Goulart Baseia,Iuri

Formato:	journal article
Enlaces:	Cyathus specimens were collected over a one-year period in 4 remnants of the Atlantic Forest in Pernambuco, Brazil. According to traditional morphological analysis, the following species were identified: C. intermedius, C. montagnei, C. setosus and C. triplex. These 4 species…
Fecha:	2013-03-01
Recurso:	SCIELO

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Seven new species of Allorhogas (Hymenoptera: Braconidae: Doryctinae) from Mexico
Martínez,Juan José - Zaldívar-Riverón,Alejandro

Formato:	journal article
Enlaces:	Seven new Mexican species of the gall associated doryctine genus Allorhogas are described, illustrated and molecularly characterized: A. amuzgo sp. nov., A. coccolobae sp. nov., A. crassifemur sp. nov., A. jaliscoensis sp. nov., A. marshi sp. nov., A. parvus sp.…
Fecha:	2013-03-01
Recurso:	SCIELO

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Taxonomic and nomenclatural status of the Mexican species in the Tillandsia viridiflora complex (Bromeliaceae)
Krömer,Thorsten - Espejo-Serna,Adolfo - López-Ferrari,Ana Rosa - Ehlers,Renate - Lautner,Jürgen

Formato:	journal article
Enlaces:	Based on a systematic study of the Mexican species in the Tillandsia viridiflora complex, the taxonomic and nomenclatural status of these species is clarified. The former synonym T. macropetala is reestablished as a species. An identification key for the complex…
Fecha:	2012-04-01
Recurso:	SCIELO

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10.

Two new species of the bee genus Peponapis, with a key to the North and Central American species (Hymenoptera: Apidae: Eucerini)
Ayala,Ricardo - Griswold,Terry

Formato:	journal article
Enlaces:	Two new species of squash bees, Peponapis pacifica Ayala and Griswold sp. n. and P. parkeri Griswold and Ayala sp. n., are described and illustrated. Peponapis pacifica is oligolectic on flowers of Schizocarpum longisepalum (Cucurbitaceae) endemic to Mexico, where it…
Fecha:	2012-06-01
Recurso:	SCIELO

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11.

New records of green (Chlorophyta) and brown algae (Phaeophyceae) for Cabezo Reef, National Park Sistema Arrecifal Veracruzano, Gulf of Mexico
Robinson,Néstor M. - Galicia-García,Citlalli - Okolodkov,Yuri B.

Formato:	journal article
Enlaces:	Descriptions of 13 green and 12 brown algal species from 20 genera and 15 families collected on Cabezo Reef of the National Park Sistema Arrecifal Veracruzano in the southwestern Gulf of México, which are new records for the reef, are…
Fecha:	2012-10-01
Recurso:	SCIELO

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12.

Corals from the Maastrichtian Ocozocoautla Formation (Chiapas, Mexico) - a closer look
Löser,Hannes

Formato:	journal article
Enlaces:	The small Maastrichtian coral fauna of Ocozocoautla (Chiapas, Mexico) is being taxonomically reviewed. In contrast to an older study, the material is examined by preparing thin sections and carrying out systematic measurements to ensure that any comparisons of the material…
Fecha:	2012-12-01
Recurso:	SCIELO

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13.

Mexican species of Exetastes (Hymenoptera: Ichneumonidae: Banchinae), with description of three new species
Khalaim,Andrey I. - Ruiz-Cancino,Enrique

Formato:	journal article
Enlaces:	Twenty one species and subspecies of Exetastes Grav. are recorded from Mexico. Exetastes arteagus sp. nov., E. gauldi sp. nov. and E. lascivus sp. nov. are described as new. Exetastes pasculus Gauld et Ugalde is recorded for the first time…
Fecha:	2012-06-01
Recurso:	SCIELO

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14.

A new genus of gall-dwelling thrips from Costa Rica (Thysanoptera: Phlaeothripidae: Phlaeothripinae)
Soto-Rodríguez,Gerardo A. - Nishida,Kenji - Retana-Salazar,Axel P.

Formato:	journal article
Enlaces:	A new genus and species of thrips, Fourbethrips fiorella, inhabiting stems, petioles and leaf vein galls of a Melastomataceae from Costa Rica is described. The galls are induced by an unidentified gall midge larva (Cecidomyiidae). This new thrips can be…
Fecha:	2012-09-01
Recurso:	SCIELO

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15.

Diversity and morphology of the species of Pseudo-nitzschia (Bacillariophyta) of the national park Sistema Arrecifal Veracruzano, SW Gulf of Mexico
Parsons,Michael L. - Okolodkov,Yuri B. - Aké-Castillo,José A.

Formato:	journal article
Enlaces:	In order to evaluate the risk for marine ecosystem and human health, the diversity and morphology of diatoms of the genus Pseudo-nitzschia were studied. Weekly sampling was performed at seven geo-referenced sites in the National Park Sistema Arrecifal Veracruzano, SW…
Fecha:	2012-01-01
Recurso:	SCIELO