Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 651 to 700 of 1618 works
Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae
A faunal overview is presented of the molluscan families Amphibulimidae, Megaspiridae, Odontostomidae, Orthalicidae, Simpulopsidae in Bolivia, Ecuador, and Peru. These Central And…
A new termite (Isoptera, Termitidae, Syntermitinae, Macuxitermes) from Colombia
A new species of termite, Macuxitermes colombicus Postle & Scheffrahn is described from soldiers and workers collected from Departamento Magdalena, Colombia. The soldier of M. col…
Position of the dentifera-group in the Coronatella-branch and its relocation to a new genus: Magnospina gen. n. (Crusta…
Magnospina gen. n. was created to relocate species of the dentifera-group from Alona sensu lato (Crustacea: Cladocera) and include Magnospina dentifera comb. n. and Magnospina sia…
Redescription and designation of a neotype for Caecum floridanum (Littorinimorpha, Truncatelloidea, Caecidae) with a ch…
After an extensive search for the type specimens of Caecum floridanum Stimpson, 1851, we believe that these specimens may have been either lost or destroyed in the Chicago fire (1…
Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporin…
The Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) is revised. Thirty species are recognized. The following …
Stream ichthyofauna of the Tapajós National Forest, Pará, Brazil
The fish fauna of freshwater streams in the Tapajos National Forest was surveyed and a list of species is presented. The sampling was conducted from 2012 to 2013 during the dry se…
A new large species of Myloplus (Characiformes, Serrasalmidae) from the Rio Madeira basin, Brazil
Myloplus zorroi sp. n. is described from the Rio Madeira Basin in Amazonia. The new species had been treated as an undescribed Tometes species because of the absence of a marked a…
Culicoides hildebrandoi, a new species of the reticulatus species group from the Brazilian Amazon Region (Diptera, Cera…
A new species of biting midge (Diptera: Ceratopogonidae), Culicoides hildebrandoi sp. n., is described and illustrated based on female and male specimens from the states of Amazon…
A new species of Peckoltia from the Upper Orinoco (Siluriformes, Loricariidae)
A new species of the suckermouth armored catfish genus Peckoltia is described from the lower Ventuari River, a tributary of the upper Orinoco River in Amazonas State, Venezuela. S…
Three new genera of Neotropical Mimallonidae (Lepidoptera, Mimallonoidea, Mimallonidae) with descriptions of three new …
Three new genera of Mimallonidae are described. The monotypic genus Tostallo gen. n. is erected to contain “Perophora” albescens Jones, 1912, which was previously placed in the pr…
Revision of the genus Menevia Schaus, 1928 (Lepidoptera, Mimallonoidea, Mimallonidae) with the description of 11 new sp…
The Neotropical genus Menevia Schaus, 1928 is revised to include 18 species, 11 of which are new. Two species, M. ostia comb. n. and M. parostia comb. n. are transferred from Pame…
First description of the female of the jumping spider Balmaceda nigrosecta Mello-Leitão (Salticidae, Dendryphantini, Ma…
The female of Balmaceda nigrosecta Mello-Leitão, 1945 is described and illustrated for the first time. In addition, this paper further illustrates the male, and provides the first…
Uncovering the diversity in the Amazophrynella minuta complex: integrative taxonomy reveals a new species of Amazophryn…
A new species of the genus Amazophrynella (Anura, Bufonidae) is described from the departments of Madre de Dios, Cusco and Junin in Peru. An integrative taxonomy approach is used.…
Review of the South American leafhopper genus Parandanus (Hemiptera, Cicadellidae, Deltocephalinae)
The South American leafhopper genus Parandanus Linnavuori & DeLong (Deltocephalinae: Deltocephalini) is reviewed and four of its six species are illustrated and male genital chara…
Morphology of juvenile stages of Kuschelina bergi (Harold) with biological information (Coleoptera, Chrysomelidae, Alti…
Kuschelina bergi (Harold, 1881) is being studied to be evaluated as a natural enemy of Phyla nodiflora var. minor (Hook.) N. O’Leary & Múlgura (Verbenaceae), an invasive weed in A…
A revision of Megalocraerus Lewis, 1902 (Coleoptera, Histeridae: Exosternini)
The formely monotypic Neotropical genus Megalocraerus Lewis is revised to include five species, known from southeastern Brazil to Costa Rica: M. rubricatus Lewis, M. mandibularis …
A new species of Liolaemus related to L. nigroviridis from the Andean highlands of Central Chile (Iguania, Liolaemidae)
The Liolaemus nigroviridis group is a clade of highland lizards endemic to Chile. These species are distributed from northern to central Chile, and currently there are no cases of…
Denopelopia amicitia, a new Tanypodinae from Brazil (Diptera, Chironomidae)
A new species of Denopelopia from Brazil is described based on adult male and pupa. The male of the new species can be distinguished from all other species of the genus by the gen…
Two new species of spotted Hypancistrus from the Rio Negro drainage (Loricariidae, Hypostominae)
Two new species, Hypancistrus phantasma and Hypancistrus margaritatus, are described based on material from the Rio Negro drainage. Both species are distinguished from congeners b…
Phylogenetic placement of the unusual jumping spider Depreissia Lessert, and a new synapomorphy uniting Hisponinae and …
The relationships of the unusual salticid spider Depreissia from central Africa and Borneo have been difficult to resolve, obscured by its highly modified ant-like body. Phylogene…
Biology and phenology of three leaf beetle species (Chrysomelidae) in a montane forest in southeast Brazil*
The population phenology of the cassidines, Coptocycla arcuata and Omaspides trichroa, and the chrysomeline, Platyphora axillaris, was studied at Serra dos Órgãos National Park, S…
Description and phylogeny of three new species of Synophis (Colubridae, Dipsadinae) from the tropical Andes in Ecuador …
The discovery of three new species of Synophis snakes from the eastern slopes of the tropical Andes in Ecuador and Peru is reported. All previous records of S. bicolor from easter…
Butterflies of the Bodoquena Plateau in Brazil (Lepidoptera, Papilionoidea)
Butterflies and moths are found in all terrestrial environments and require efforts for a better understanding of its mega-diversity. These taxa have been the subject of several s…
Lepidasthenia loboi sp. n. from Puerto Madryn, Argentina (Polychaeta, Polynoidae)
Among polychaetes, polynoids have the highest number of symbiotic species found living with a wide variety of marine invertebrates, including other polychaetes. Lepidasthenia Malm…
Systematics and biology of Xylocopa subgenus Schonnherria (Hymenoptera, Apidae) in Argentina
Biological information on the species of the large carpenter bee Xylocopa subgenus Schonnherria occurring in Argentina is revised. Based on the appraisal of museum specimens, the …
Systematics of Nothopsini (Serpentes, Dipsadidae), with a new species of Synophis from the Pacific Andean slopes of sou…
Within Dipsadinae, some recent authors have recognized a tribe Nothopsini containing the genera Diaphorolepis, Emmochliophis, Nothopsis, Synophis, and Xenopholis, on the basis of …
Two new species of Euptychia Hübner, 1818 from the upper Amazon basin (Lepidoptera, Nymphalidae, Satyrinae)
Two new species of Euptychia Hübner, 1818 are described from the upper Amazon basin: E. attenboroughi Neild, Nakahara, Fratello & Le Crom, sp. n. (type locality: Amazonas, Venezue…
A remarkable new genus and a new species of chewing louse (Phthiraptera, Ischnocera, Philopteridae) from Brazil
A new genus of chewing louse asBobdalgleishia, and its type species Bobdalgleishia stephanophallus sp. n. (Phthiraptera) belonging to the Brueelia-complex (Ischnocera: Philopterid…
Morphometric divergence in populations of Anastrepha obliqua (Diptera, Tephritidae) from Colombia and some Neotropical …
The West Indian fruit fly, Anastrepha obliqua, is one of seven species of quarantine importance of its genus and is one of the most economically important fruit fly pests in Colom…
Morphometric study of third-instar larvae from five morphotypes of the Anastrepha fraterculus cryptic species complex (…
The occurrence of cryptic species among economically important fruit flies strongly affects the development of management tactics for these pests. Tools for studying cryptic speci…
Gene flow and genetic structure of Bactrocera carambolae (Diptera, Tephritidae) among geographical differences and sist…
The Carambola fruit fly, Bactrocera carambolae, is an invasive pest in Southeast Asia. It has been introduced into areas in South America such as Suriname and Brazil. Bactrocera c…
Nuclear ribosomal internal transcribed spacer 1 (ITS1) variation in the Anastrepha fraterculus cryptic species complex …
The nuclear ribosomal internal transcribed spacer 1 (ITS1) was sequenced for Anastrepha fraterculus (Wiedemann, 1830) originating from 85 collections from the northern and central…
Relevant genetic differentiation among Brazilian populations of Anastrepha fraterculus (Diptera, Tephritidae)
We used a population genetic approach to detect the presence of genetic diversity among six populations of A. fraterculus across Brazil. To this aim, we used Simple Sequence Repea…
Taxonomy and phenotypic relationships of the Anastrepha fraterculus complex in the Mesoamerican and Pacific Neotropical…
Previous morphometric studies based on linear measurements of female structures of the aculeus, mesonotum, and wing revealed the existence of seven morphotypes within the Anastrep…
Characterisation of the chemical profiles of Brazilian and Andean morphotypes belonging to the Anastrepha fraterculus c…
Fruit fly sexual behaviour is directly influenced by chemical and non-chemical cues that play important roles in reproductive isolation. The chemical profiles of pheromones and cu…
Leucothoe kawesqari, a new amphipod from Bernardo O’Higgins National Park (Chile), with remarks on the genus in the Mag…
Although the genus Leucothoe has been reported repeatedly in the Magellan Region, the citations in the Channels and Fjords Ecoregion were either unidentified or attributed to the …
A new highly specialized cave harvestman from Brazil and the first blind species of the genus: Iandumoema smeagol sp. n…
A new species of troglobitic harvestman, Iandumoema smeagol sp. n., is described from Toca do Geraldo, Monjolos municipality, Minas Gerais state, Brazil. Iandumoema smeagol sp. n.…
Three new species of Hagnagora Druce, 1885 (Lepidoptera, Geometridae, Larentiinae) from Ecuador and Costa Rica and a co…
Three new Hagnagora Druce species (Geometridae, Larentiinae) are described: Hagnagora richardi Brehm, sp. n. from Ecuador, H. hedwigae Brehm, sp. n. from Ecuador, and H. mirandahe…
Genetic divergence analysis of the Common Barn Owl Tyto alba (Scopoli, 1769) and the Short-eared Owl Asio flammeus (Pon…
In this paper new mitochondrial COI sequences of Common Barn Owl Tyto alba (Scopoli, 1769) and Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile are reported a…
Description of a new genus and three new species of Otothyrinae (Siluriformes, Loricariidae)
The genus Hisonotus was resurrected as a member of the tribe Otothyrini (actually subfamily Otothyrinae). However, phylogenetic studies based on morphological and molecular data s…
Phytoseiid mites from tropical fruit trees in Bahia State, Brazil (Acari, Phytoseiidae)
The cultivation of tropical fruit trees has grown considerably in the state of Bahia, northeastern Brazil. Some of these have been severely attacked by phytophagous mites, which a…
A catalogue of the scaleworm genus Lepidonotus (Polynoidae, Polychaeta) from South America, with two new records for Br…
The genus Lepidonotus is the largest in number of species within the Polynoidae, with more than 70 described species and subspecies. A catalogue of 18 nominal species and subspeci…
A new species of jumping spider Neonella Gertsch, with notes on the genus and male identification key (Araneae, Saltici…
The American genus Neonella Gertsch, 1936 consists of very small jumping spiders whose biology is not well known. The genus currently includes eleven valid species, of which eight…
New species of Cerambycidae (Coleoptera) from South and Central America
Three new species are described: Tropidion birai (Cerambycinae, Neoibidionini) from Bolivia; Chrysoprasis birai (Cerambycinae, Heteropsini) from Panama; and Recchia nearnsi (Lamii…
Two new species of Xestoblatta Hebard, 1916 from Brazil, a redescription of Xestoblatta roppai Rocha e Silva Albuquerqu…
Two new species of Xestoblatta from northern Brazil are described, Xestoblatta buhrnheimi sp. n. and Xestoblatta rondonensis sp. n., included in the buscki group Gurney (1939), an…
Three new species of Fonsecaiulus (Hemiptera, Cicadellidae, Cicadellini) from Brazil and key to species of the genus
Three new sharpshooter species of the genus Fonsecaiulus Young, 1977 are described and illustrated from specimens collected in the Brazilian Atlantic Forest, F. rectangularis sp. …
Revised generic placement of Brachypelma embrithes (Chamberlin & Ivie, 1936) and Brachypelma angustum Valerio, 1980, wi…
The tarantula genus Sericopelma was originally defined based on male specimens, most notably lacking tibial spurs on leg I. Early female specimens were unrecognised as Sericopelma…
Description of Trichophoromyia ruifreitasi, a new phlebotomine species (Diptera, Psychodidae) from Acre State, Brazilia…
Trichophoromyia ruifreitasi sp. n. is described as a new species of sand fly from the genus Trichophoromyia Barretto. This description is supported with illustrations and photogra…
How small is the smallest? New record and remeasuring of Scydosella musawasensis Hall, 1999 (Coleoptera, Ptiliidae), th…
The smallest known beetle Scydosella musawasensis Hall is recorded for the second time. Precise measurements of its body size are given, and it is shown that the smallest examined…
Immatures of the New World treehopper tribe Amastrini (Hemiptera, Membracidae, Smiliinae) with a key to genera
The immatures stages of 8 of the 11 genera (Amastris Stål, Bajulata Ball, Erosne Stål, Harmonides Kirkaldy, Idioderma Van Duzee, Neotynelia Creão-Duarte & Sakakibara, Tynelia Stål…