Browsing by Subject "TAXONOMY"
Now showing items 1-20 of 31
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A new Costa Rican species of Drosophila visiting inflorescences of the hemi-epiphytic climber Monstera lentii (Araceae)
(Universidad Nacional, Costa Rica, 2018-09)Drosophila monsterae sp. nov. is described from 11 males and 13 females collected from the inside of closed inflorescences of Monstera lentii (Araceae) at 1810 m altitude in the Forest Reserve of Cerro de La Carpintera, ... -
A new dagger nematode, Xiphinema tica n. sp. (Nematoda: Longidoridae), from Costa Rica with updating of the polytomous key of Loof and Luc (1990)
(Springer, 2017-05-15)A new dagger nematode, Xiphinema tica n. sp., is described and illustrated from several populations extracted from soil associated with several crops and wild plants in Costa Rica. The new dagger nematode is characterised ... -
A new giant species of placented worm and the mechanism by which onychophorans weave their nets (Onychophora: Peripatidae)
(Universidad de Costa Rica, 2010)Onychophorans, or velvet worms, are poorly known and rare animals. Here we report the discovery of a new species that is also the largest onychophoran found so far, a 22cm long female from the Caribbean coastal forest of ... -
A new giant velvet worm from Costa Rica suggests absence of the genus Peripatus (Onychophora: Peripatidae) in Central Americ
(Universidad de Costa Rica, 2020-02-03)Introduction: Neotropical onychophoran taxonomy and diversity has been poorly investigated. Recent studies have discovered problems in species classification: they have questioned the accepted genera and the actual number ... -
A New Hybrid of Serpocaulon (Polypodiaceae) from Costa Rica
(Bio One Research Evolved, 2013)A new hybrid Serpocaulon 3 sessilipinnum A. Rojas & J.M. Chaves is described. The new taxon has characters intermediate between S. fraxinifolium (Jacq.) A.R. Sm. and S. ptilorhizon (Christ) A.R. Sm., which are related ... -
A new species of Seticeros from Costa Rica (Coleoptera, Cerambycidae, Prioninae)
(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2011)A new species of Seticeros Perger & Santos-Silva, 2010 (Prioninae: Callipogonini) from San Isidro del General, San José, Costa Rica is described and illustrated. A key to the species of Seticeros is added. -
Annotated checklist of marine molluscs collected during the R. V. Victor Hensen Costa Rica Expedition 1993/1994
(Universidad de Costa Rica, 1995)An annotated checklist of species of marine molluscs from Golfo Dulce, Bahfa Coronado and Golfo de Nicoya. Costa Rica, obtained aI 20-200 m during the Victor Hensen cruise, includes 157 species: 108 Gastropoda and 49 ... -
Brucella evolution and taxonomy
(Elsevier Science B.V, 2002)The genus Brucella contains alpha-Proteobacteria adapted to intracellular life within cells of a variety of mammals. Controversy has arisen concerning Brucella internal taxonomy, and it has been proposed that the DNA–DNA ... -
Camelobaetidius guaycara, a new species of Baetidae (Ephemeroptera) from Costa Rica, Central America
(Magnolia Press, 2018-06-14)The nymphs of a new species of Camelobaetidius (Ephemeroptera: Baetidae) possibly related to the South American species of this genus were found on the Atlantic and Pacific slopes of Costa Rica. Among other characteristics ... -
Cladocera (Crustacea, Branchiopoda) of a temporary shallow pond from northern Colombia
(Universidad Nacional Mayor de San Marcos, 2019)Eighteen species of cladocerans are recorded from a temporary pond in northern Colombia; 12 of these records are new for La Guajira Department: Diaphanosoma brevireme Sars, 1901, D. dentatum Herbst, 1968, Sarsilotona ... -
Comprobación taxonómica de la Famila Urotrygonidae en el Pacífico Norte de Costa Rica utilizando herramientas morfológicas y genéticas
(Universidad Nacional (Costa Rica), 2020)Para establecer medidas de manejo y protección eficaces es primordial identificar de manera correcta las especies. Clasificar erróneamente las especies, podría generar datos incorrectos sobre el estado actual de sus ... -
Determinación de los patrones de orden de genes del genoma mitocondrial del Paropisthopatus sp. con respecto a otros onicóforos y al artrópodo (Limulus polyphemus) por medio de la bioinformática
(Universidad de Nacional (Costa Rica), 2023)Los onicóforos, conocidos también como gusanos de terciopelo presentan un endemismo muy marcado por su historia de vida, pues son considerados como fósiles vivientes debido a su larga trayectoria histórica en el planeta. ... -
Diferencias morfométricas por sexo de tres especies del genero Opisthonema (Psices: Clupeidae) de la Costa del Pacifico, Costa Rica
(Universidad Nacional [Costa Rica], 1990-01-01)Se comparan algunas variables morfométricas en los dos sexos de tres especies de Opisthonema (O. libertate, O. medirastre y O. bullerri) provenientes de las costa Pacífica de Costa Rica. Las hembras como los machos revelaron ... -
Las especies de Trachelomonas (Algas: Euglenophyta) en tres lagunas volcánicas de Costa Rica
(Universidad de Costa Rica, 1995)The algae of three lakes of volcanic origin, Laguna Hule, Congo and Bosque Alegre (740 m. above see leve!) were studied frorn 1989 to 1993. Five Trachelomonas (Euglenophyta ) species and sorne of their varieties are ... -
First Finding Of A Male Aphanolaimus Coomansi (Tsalolichin, 1988) In Tropical Areas
(Universidad Nacional (Costa Rica), 1998)First finding of a male Aphanolaimus coomansi (Tsalolichin, 1988) in tropical ar eas. Nematropica 30:161-166. The rare aquatic nematode Aphanolaimus coomansi Tsalolichin, 1988 was found in some habitats in Costa Rican ... -
First record of Scapholeberis freyi Dumont and Pen- saert, 1983 (Crustacea:Anomopoda: Daphniidae) from Colombia
(Universidad Nacional Mayor de San Marcos, Perú., 2021)From the analysis of plankton samples from a temporary pond of northern Colombia some female specimen of the daphinid cladoceran Scapholeberis freyi Dumont and Pensaert, 1983 was collected. It represents the first report ... -
Five New Species of Diplazium Sw. (Athyriaceae) from Nicaragua, Costa Rica and Colombia
(Universidad Nacional (Costa Rica), 2018-04-13)Five new species are described in the genus Diplazium Sw. from Nicaragua, Costa Rica and Colombia, as results of studies in the Neotropical ferns. The new species are Diplazium chirripoense A. Rojas, Diplazium cornutum ... -
Four New Species and Additional Distributions of Elaphoglossum Section Elaphoglossum (Dryopteridaceae) from the Neotropics
(Universidad Nacional (Costa Rica), 2017-05-19)Four new species of Elaphoglossum sect. Elaphoglossum are described: E. amparoanum A. Rojas, E. chocoense A. Rojas, E. fayorum A. Rojas and E. luciae A. Rojas. The first species is related to E. variolatum Mickel, but ... -
Four new species and five morphospecies of Ficophagus Davies & Bartholomaeus, 2015 (Nematoda: Aphelenchoididae) from Ficus subgenus Urostigma sect. Americana (Moraceae) in Central America
(Brill & The Hague Academy of International Law, 2017-05-02)Four new species of Ficophagus were recovered from the sycones of Ficus spp. from the Subgenus Urostigma section Americana from Central America. The species are described here as Ficophagus bullenei sp. n., F. costaricanus ... -
Free-living nematodes from nature reserves in Costa Rica. 4. Cephalobina
(Brill, 2003)Four species of Cephalobina: Geraldius bakeri, Diastolaimus croca, Trualaimus culeatus and Tricirronema tentaculatum are described and illustrated on the basis of material collected in Costa Rica. A scanning electron ...