Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 1251 to 1300 of 1618 works
A new species of Centris (Centris) (Fabricius) from northeastern Brazil, with taxonomic notes on C. (C.) pulchra Moure,…
We describe a new species of the bee genus Centris, C. (C.) byrsonimae Mahlmann & Oliveira sp. n., whose name has appeared as a nomen nudum in the literature since 1985. Further, …
Two new genera and species of the termite symbiont lineage Termitohospitini (Coleoptera, Staphylinidae, Aleocharinae) f…
Coptotermocola clavicornis gen. & sp. n. and Neotermitosocius bolivianus gen. & sp. n. of the termite inquilinous tribe Termitohospitini are described from peninsular Malaysia and…
A new species of Lathrolestes (Hymenoptera, Ichneumonidae) from Ecuadorian Amazonia, with a key to the Neotropical spec…
Here we describe and illustrate a new parasitoid wasp species, Lathrolestes gauldi sp. n. from the lowland rainforest of eastern Ecuador and provide a key to the Neotropical speci…
A new species of Bembidion (Ecuadion) from Ecuador (Coleoptera, Carabidae, Bembidiini), with a key to members of the ge…
A new species of ground beetle, Bembidion ricei, is described from the Andes mountains of Ecuador east of Quito. It belongs to the georgeballi species group of subgenus Ecuadion, …
A new species of Rhytidognathus (Carabidae, Migadopini) from Argentina
The Migadopini are a small tribe of Carabidae with 47 species that occur in South America, Australia, and New Zealand, in the sub-Antarctic areas. In South America, most of the ge…
Reptiles from Lençóis Maranhenses National Park, Maranhão, northeastern Brazil
We are presenting a list of the reptile species from Lençóis Maranhenses National Park (LMNP), Maranhão, Brazil, obtained during 235 days of field work. The study area is located …
A new species of blunt-headed vine snake (Colubridae, Imantodes) from the Chocó region of Ecuador
We describe a new species of Imantodes from the Chocó region of northwestern Ecuador. The new species differs most significantly from all other congeners in lacking a loreal scale…
Synopsis of the Argentinian scarab genus Pseudogeniates Ohaus (Coleoptera, Scarabaeidae, Rutelinae)
The scarab beetle genus Pseudogeniates Ohaus (Scarabaeidae: Rutelinae: Rutelini) is endemic to Argentina. The genus includes three species: P. cordobaensis Soula, P. intermedius O…
Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion)
Among the thousands of non-tetractinellid (monaxonid) Demospongiae species, less than twenty possess polyactine (usually three- or four-claded) megascleres. These are currently as…
The first hypothelminorheic Crustacea (Amphipoda, Dogielinotidae, Hyalella) from South America
Most of known troglobiotic species occur in caves and subterranean environments from great depths. However, recently more attention has been given to other subterranean environmen…
Two new species of Phrynopus (Anura, Strabomantidae) from high elevations in the Yanachaga-Chemillén National park in P…
We describe two new species of Phrynopus from a cloud forest of the Cordillera Yanachaga, Yanachaga-Chemillén National Park in Peru and describe and document the first clutch and …
Tabanidae (Diptera) of Maranhão state, Brazil. V. Description of Protosilvius gurupi sp. n. (Pangoniinae, Pangoniini) a…
Protosilvius gurupi sp. n. (Tabanidae, Pangoniinae) is described and illustrated based on seven female and 53 male specimens collected in the Amazonian region at Reserva Biológica…
Paridris Kieffer of the New World (Hymenoptera, Platygastroidea, Platygastridae)
Paridris in the New World is revised (Hymenoptera: Platygastridae). Fifteen species are described, of which 13 are new. Paridris aenea (Ashmead) (Mexico (Tamaulipas) and West Indi…
A revision of the new world species of Polytrichophora Cresson and Facitrichophora, new genus (Diptera, Ephydridae)
The New World species of Polytrichophora Cresson and Fascitrichophora new genus, are revised. Fifteen new species are described (type locality in parenthesis): Fascitrishophora at…
Revision, cladistic analysis and biogeography of Typhochlaena C. L. Koch, 1850, Pachistopelma Pocock, 1901 and Iridopel…
Three aviculariine genera endemic to Brazil are revised. Typhochlaena C. L. Koch, 1850 is resurrected, including five species; Pachistopelma Pocock, 1901 includes two species; and…
Systematics of the Osteocephalus buckleyi species complex (Anura, Hylidae) from Ecuador and Peru
We present a new phylogeny, based on DNA sequences of mitochondrial and nuclear genes, for frogs of the genus Osteocephalus with emphasis in the Osteocephalus buckleyi species com…
A revision of the genus Planinasus Cresson (Diptera, Periscelididae)
The genus Planinasus Cresson is revised and includes 18 extant and one fossil species. We clarify the status of the three previously described species and describe 15 new species …
Description of a new species of Calliostoma (Gastropoda, Calliostomatidae) from Southeastern Brazil
Calliostoma tupinamba is a new species from Southeastern Brazil, ranging from southern Rio de Janeiro to northern São Paulo, and found only on coastal islands, on rocks and sessil…
Doryctopambolus Nunes & Zaldívar-Riverón (Braconidae), a new neotropical doryctine wasp genus with propodeal spines
The new Neotropical doryctine genus Doryctopambolus gen. n. is erected to contain D. pilcomayensis (van Achterberg & Braet, 2004), comb. n., which was previously placed within Pam…
A new marine gastrotrich from the State of São Paulo (Brazil), with a key to species of Pseudostomella (Gastrotricha, T…
In previous papers, faunistic and preliminary taxonomic data on the gastrotrich communities along the coastline of the Brazilian states of São Paulo and Rio de Janeiro were report…
Three new cryptic species of Euglossa from Brazil (Hymenoptera, Apidae)
Three new species of orchid bees are described and figured from the Amazon and Atlantic forests of Brazil. Euglossa clausi sp. n., E. moratoi sp. n., and E. pepei sp. n. are disti…
Review of the species level taxonomy of the neotropical butterfly genus Oenomaus (Lycaenidae, Theclinae, Eumaeini)
Seven new species of the Neotropical hairstreak genus Oenomaus are described: O. mancha Busby & Faynel, sp. n. (type locality Ecuador); O. gwenish Robbins & Faynel, sp. n. (type l…
A taxonomic contribution to the genus Dolichomitus Smith (Hymenoptera, Ichneumonidae, Pimplinae) from Brazil
In the present study, two new species of Pimplinae, Dolichomitus jatai sp. n. and D. moacyri sp. n. are described, and the distribution range of Dolichomitus annulicornis (Cameron…
Revision of the Plant Bug Genus Tytthus (Hemiptera, Heteroptera, Miridae, Phylinae)
The phyline plant bug genus Tytthus Fieber, previously containing 19 species, is revised. Isoproba Osborn and Drake, 1915, incorrectly placed in the subfamily Bryocorinae, tribe D…
A comparison of two common flight interception traps to survey tropical arthropods
Tropical forests are predicted to harbor most of the insect diversity on earth, but few studies have been conducted to characterize insect communities in tropical forests. One maj…
A revision of the genus Mecistostethus Marseul (Histeridae, Histerinae, Exosternini)
We revise the genus Mecistostethus Marseul, sinking the monotypic genus Tarsilister Bruch as a junior synonym. Mecistostethus contains six valid species: M. pilifer Marseul, M. lo…
A new species of Apechoneura Kriechbaumer (Hymenoptera, Ichneumonidae, Labeninae) from Colombia
A new species of the ichneumonid subfamily Labeninae, Apechoneura seminigra sp. n., is described. Specimens were collected from the Amazon Rainforest of Colombia.
A world checklist of Onychophora (velvet worms), with notes on nomenclature and status of names
Currently, the number of valid species of Onychophora is uncertain. To facilitate taxonomic work on this understudied animal group, we present an updated checklist for the two ext…
A new genus of oak gallwasps, Zapatella Pujade-Villar & Melika, gen. n., with a description of two new species from the…
A new genus of cynipid oak gallwasp, Zapatella Pujade-Villar & Melika, gen. n. (Hymenoptera: Cynipidae: Cynipini), with two new species, Zapatella grahami Pujade-Villar & Melika, …
Notes about morphological features of the Western Hemisphere subtribe Ardistomina, and revision of genus Semiardistomis…
Comparisons of structural features (principally mouthparts, elytral-abdominal locking mechanism, and female genitalia) of the ardistomine genera (Aspidoglossa Putzeys, Ardistomis …
Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil
Three new species of Atopsyche Banks (Hydrobiosidae) from Brazil are described and illustrated: Atopscyhe (Atopsaura) blahniki sp. n., Atopsyche (Atopsyche) parauna sp. n., and At…
Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species
The species of the water scavenger beetle genus Berosus Leach occurring in Venezuela are reviewed. Thirty-six species are recorded, including fifteen new species, fourteen of whic…
A new species of Oxelytrum Gistel (Coleoptera, Silphidae) from southern Argentina, with a key to the species of the gen…
A new species of the forensically interesting genus Oxelytrum Gistel (Coleoptera, Silphidae), O. selknan, is described from Santa Cruz and Tierra del Fuego provinces, Argentina. T…
A new species of Caligus (Copepoda, Siphonostomatoida) from the plankton of the Caribbean coast of Venezuela with a key…
During a survey of the zooplankton community of Bahía Amuay, Venezuelan Caribbean, specimens of an undescribed species of Caligus Müller were collected. It resembles C. xystercus …
Taxonomy and species-groups of the subgenus Crematogaster (Orthocrema) in the Malagasy region (Hymenoptera, Formicidae)
The species-level taxonomy of the subgenus Crematogaster (Orthocrema) in the Malagasy region is evaluated with both morphological data from worker and queen ants, and genetic data…
New systematic assignments in Gonyleptoidea (Arachnida, Opiliones, Laniatores)
As part of an ongoing revision of the family Gonyleptidae, we have identified many species that are synonyms of previously described species or misplaced in this family. This arti…
Ethanol fuel improves arthropod capture in pitfall traps and preserves DNA
We tested the value of ethanol fuel as a killing solution in terms of sampling efficiency (species richness and accumulated abundance) and DNA preservation of Ensifera ground-dwel…
Three new species of Sesioctonus Viereck (Hymenoptera, Braconidae, Agathidinae) from Peru
Three new species of Sesioctonus (Braconidae: Agathidinae) are described and illustrated, i.e., Sesioctonus huggerti, S.wayquecha, and S. bina. Two new Peruvian species records fo…
A new Chlerogelloides from northeastern Brazil and French Guiana, with a key to the species (Hymenoptera, Halictidae)
A third species of the rare augochlorine bee genus Chlerogelloides Engel et al. (Halictinae, Augochlorini) is described and figured. Chlerogelloides nexosa sp. n. is most similar …
New species and records of Hydroptilidae (Trichoptera) from Venezuela
Eight new species of Hydroptilidae (Trichoptera) from Venezuela are described: Acostatrichia digitata sp. n., Hydroptila cressae sp. n., Metrichia botrychion sp. n., Ochrotrichia …
New Neotropical species of Chimarra (Trichoptera, Philopotamidae)
Ten new Neotropical species of Chimarra are described in the subgenera Chimarra, Chimarrita, and Otarrha. New species in the subgenus Chimarra include, in the C. ortiziana group: …
A remarkable new species of Euragallia from Peru (Insecta, Hemiptera, Cicadellidae, Agalliini), including the descripti…
A new species of Euragallia Oman, 1938 from Peru (Pasco Department) is described and illustrated. Euragallia batmani sp. n. can be distinguished from the other species of the genu…
Loxosceles niedeguidonae (Araneae, Sicariidae) a new species of brown spider from Brazilian semi-arid region
A new species of recluse spider, Loxosceles niedeguidonae sp. n., is described from the Parque Nacional Serra da Capivara, State of Piauí, Brazil. This is the first endemic specie…
The Ochodaeidae of Argentina (Coleoptera, Scarabaeoidea)
The Ochodaeidae (Coleoptera: Scarabaeoidea) of Argentina are revised. Previously, two species of Ochodaeinae were known from the country, both in the genus Parochodaeus Nikolajev:…
New distributional data on Oxysternon pteroderum Nevinson, 1892 (Scarabaeidae, Scarabaeinae, Phanaeini) and its possibl…
New distributional data are reported on the rare phanaeine dung beetle, Oxysternon pteroderum Nevinson, 1892, based on five specimens recently collected between 1985 and 2010. Bef…
Description of a new species of Haemogamasus (Mesostigmata, Laelapidae, Haemogamasinae) from Chubut, Río Negro and Neuq…
A new species of Haemogamasus mites is described from Chubut, Neuquén and Río Negro Provinces, Argentina. It was collected primarily from rodents of the genus Abrothrix (65 of 77 …
A new species of Geotrigona Moure from the Caribbean coast of Colombia (Hymenoptera, Apidae)
A new species of the Neotropical stingless bee genus Geotrigona Moure from the Caribbean coast of Colombia is described and figured. Geotrigona joearroyoi sp. n. belongs to the fu…
A pair of new sister species of Loneura (Psocodea, ‘Psocoptera’, Ptiloneuridae) from Valle del Cauca, Colombia, represe…
Two sister species of Loneura, from Valle del Cauca, Colombia, are here described and illustrated. They constitute a new species group that modifies the scheme of classification, …
A new species of Andean semiaquatic lizard of the genus Potamites (Sauria, Gymnophtalmidae) from southern Peru
We describe a new lizard species of the genus Potamites from the montane forests of the Cordillera de Vilcabamba (Cusco region) and Apurimac River valley (Ayacucho region), betwee…
Description of the species of Dicoelothorax Ashmead (Chalcidoidea, Eucharitidae) and biology of D. platycerus Ashmead
Descriptions of the adults of the two species of Dicoelothorax Ashmead, D. parviceps and D. platycerus, and the eggs, planidia and pupae of D. platycerus Ashmead are provided. Fem…