Works in Brazil

Published research works with metadata for Brazil (Country).

607 works

Showing 201 to 250 of 607 works

An inventory of coastal freshwater fishes from Amapá highlighting the occurrence of eight new records for Brazil

The Amazon Basin occupies a vast portion of northern South America and contains some of the highest species richness in the world. The northern Brazilian state of Amapá is delimit…

New Brazilian Cerambycidae from the Amazonian region (Coleoptera)

Three new species of Cerambycidae are described from the Brazilian Amazonian region: Psapharochrus bezarki (Lamiinae, Acanthoderini); Xenofrea ayri (Lamiinae, Xenofreini); and Mec…

Description of a new troglomorphic species of Charinus Simon, 1892 from Brazil (Arachnida, Amblypygi, Charinidae)

Charinus taboa sp. n. comprises the twenty-second species of the genus described for Brazil. The new species belongs to the eastern Brazilian group, in which all species have suck…

Description of a new catfish genus (Siluriformes, Loricariidae) from the Tocantins River basin in central Brazil, with …

This study presents the description of a new genus of the catfish subfamily Neoplecostominae from the Tocantins River basin. It can be distinguished from other neoplecostomine gen…

Three new species of Misionella from northern Brazil (Araneae, Haplogynae, Filistatidae)

Three new species of the genus Misionella are described from Brazil: M. carajas sp. n. and M. aikewara sp. n. from caves in the states of Pará and Tocantins and M. pallida sp. n. …

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…

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…

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…

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…

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…

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…

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…

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…

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.…

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…

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…

Rediscovery of Nuvol umbrosus Navás (Neuroptera, Chrysopidae, Leucochrysini): a redescription and discussion

The monotypic leucochrysine genus Nuvol was previously known from three specimens of Nuvol umbrosus Navás, collected in the Atlantic Forest region of Brazil. For many years these …

Additions to the checklist of Scoliidae, Sphecidae, Pompilidae and Vespidae of Peru, with notes on the endemic status o…

The first checklist of the Peruvian Hymenoptera listed 1169 species and subspecies of aculeate wasps, including 173 species of Pompilidae, seven of Scoliidae, 39 of Sphecidae and …

New species and new records in Cerambycidae (Coleoptera) of the state of Bahia, Brazil

Two new species are described from Bahia (Brazil): Coleoxestia beckeri (Cerambycini), and Oncioderes obliqua (Onciderini). Nine species are recorded for the first time for Bahia (…

Three new species and distributional records for Paramaronius Wittmer (Coleoptera, Cantharidae, Chauliognathinae)

Three new species of Paramaronius Wittmer from southeastern Brazil are described and illustrated: P. serranus sp. n., P. brancuccii sp. n. and P. cavipennis sp. n. Paramaronius im…

A new genus of water mites (Acari, Hydrachnidia, Wettinidae) from bromeliad phytotelmata in the Brazilian Atlantic rain…

Adults of Bromeliacarus cardoso gen. n., sp. n. are described from phytotelmata of Quesnelia arvensis (Vellozo) Mez. (Bromeliaceae) in the subtropical area of the Atlantic rainfor…

An Asiatic Chironomid in Brazil: morphology, DNA barcode and bionomics

In most freshwater ecosystems, aquatic insects are dominant in terms of diversity; however, there is a disproportionately low number of records of alien species when compared to o…

A new species of nectar-feeding bat, genus Lonchophylla, from the Caatinga of Brazil (Chiroptera, Phyllostomidae)

We describe Lonchophylla inexpectata sp. n. from the Caatinga of Brazil. This new species can be distinguished from all known species of Lonchophylla that occur in Brazil by denta…

Species limits and phylogeography of Newportia (Scolopendromorpha) and implications for widespread morphospecies

The genus Newportia Gervais, 1847, includes some 60 nominal species distributed in the Caribbean islands and from Mexico to central South America. Modern keys to species and subsp…

New species of Triplocania Roesler (Psocodea, ‘Psocoptera’, Ptiloneuridae), from Brazil and Ecuador

Four species of Triplocania, three with M3 simple, based on male specimens and one with forewing M3 forked, based on male and female specimens, are here described and illustrated,…

A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)

A revision of Leucotrichia (Trichoptera, Hydroptilidae) is provided, including a generic diagnosis, illustrations, a key, and descriptions of males. A total of 43 species are trea…

A new species of Hisonotus (Siluriformes, Loricariidae) from rio São Francisco basin, Brazil

A new species of Hisonotus is described from the rio São Francisco basin. The new species can be distinguished from congeners by having (1) a unique coloration pattern of caudal f…

Identification guide to some Diaptomid species (Crustacea, Copepoda, Calanoida, Diaptomidae) of “de la Plata” River Bas…

An identification guide is presented for species of calanoid copepod family Diaptomidae from “de la Plata” River Basin (Argentina, Brazil, Bolivia, Paraguay and Uruguay). It was b…

Three new species of woodlizards (Hoplocercinae, Enyalioides) from northwestern South America

The discovery of three new species of Enyalioides from the tropical Andes in Ecuador and northern Peru is reported. Enyalioides altotambo sp. n. occurs in northwestern Ecuador and…

Revision of the genus Philonome Chambers and its proposed reassignment to the family Tineidae (Lepidoptera, Tineoidea)

The New World genus Philonome Chambers, 1874 is revised. This genus comprises twelve species, seven of which are described as new: two species, P. nigrescens sp. n. and P. wielgus…

New species and records of Chimarra (Trichoptera, Philopotamidae) from Northeastern Brazil, and an updated key to subge…

Two new species of Chimarra (Chimarrita) are described and illustrated, Chimarra (Chimarrita) mesodonta sp. n. and Chimarra (Chimarrita) anticheira sp. n. from the Chimarra (Chima…

Revision of the Ceratocapsine Renodaeus group: Marinonicoris, Pilophoropsis, Renodaeus, and Zanchisme, with description…

The Renodaeus group, a monophyletic assemblage of genera within the New World orthotyline tribe Ceratocapsini, comprising eight genera, including four new ones, is defined; and 48…

Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil

Two new species of Pseudancistrus, a genus diagnosed by non-evertible cheek plates and hypertrophied odontodes along the snout margin, are described from two drainages of the Braz…

Rhinolekos capetinga: a new cascudinho species (Loricariidae, Otothyrinae) from the rio Tocantins basin and comments on…

The present study deals with the description of a new species of Rhinolekos. It can be distinguished from its congeners by having 31 vertebrae, the anterior portion of the compoun…

Three new species of saddled loricariid catfishes, and a review of Hemiancistrus, Peckoltia, and allied genera (Silurif…

Three new species of saddled hypostomine loricariids are described. According to a recent phylogenetic analysis, these species are members of the genus Peckoltia. The species diff…