Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 901 to 950 of 1618 works
A new species of groundsnake genus Atractus Wagler, 1828 (Serpentes, Dipsadidae) from the Peruvian Andes revealed by un…
Based on an exhaustive revision of external morphological characters we describe a new species of Atractus from the humid montane forest of the Andes of northern Peru, Cajamarca d…
A new species of spiny-backed tree frog, genus Osteocephalus (Anura, Hylidae), from the Yanachaga Chemillén National P…
We describe a new species of Osteocephalus Fitzinger, 1843 using morphological traits of adult frogs and its larvae, as well as molecular evidence. The new species occurs in the p…
A third species of glassfrog in the genus Chimerella (Anura, Centrolenidae) from central Peru, discovered by an integr…
We studied the taxonomic status of glassfrogs collected in Departamento Huánuco, central Peru, which in the field were tentatively allocated to Chimerella, one of the twelve gener…
Rising from the ashes: A new treefrog (Anura, Hylidae, Scinax) from a wildfire-threatened area in the Amazon lowlands …
We describe a new species of tree frog from the middle Ucayali River, Peru. Scinax pyroinguinis sp. nov. is known from two males found in a patch of Amazon rainforest at 160 masl.…
A new species of Microteiid Lizard (Gymnophthalmidae, Cercosaurini, Selvasaura) from a remote area in the Peruvian And…
We describe a new species of Selvasaura lizard from the western slopes of the eastern Andes of central Peru. Among other characters, the new species differs from congeners in havi…
A new species of frog (Terrarana, Strabomantidae, Phrynopus) from the Peruvian Andean Grasslands
We describe a new terrestrial frog from the puna grasslands adjacent to the Mantaro dry valley in southern Peru. Phrynopus apumantarum sp. nov. is similar in appearence to P. bufo…
Revisiting the South American Acanthocephalini (Hemiptera, Coreidae): Spilopleura Stål (status novum)
The family Coreidae is composed of some of the larger terrestrial Heteroptera, with showy colors and expansions on the legs, the antenna or the pronotum. Among the Neotropical fau…
Five new species of the long-jawed orb-weaving spider genus Tetragnatha (Araneae, Tetragnathidae) in South America, wi…
Five new species in the long-jawed orb-weaving spider genus Tetragnatha Latreille, 1804 are described from South America: Tetragnatha amazonica sp. nov. (Venezuela); T. cristata s…
A new species of Mindomys (Rodentia, Cricetidae) with remarks on external traits as indicators of arboreality in sigmo…
The diversity of the oryzomyine rat Mindomys (Cricetidae, Sigmodontinae, Oryzomyini), is doubled here with the description of a new species from the remote Cordillera de Kutukú (E…
A needle in a haystack: Integrative taxonomy reveals the existence of a new small species of fossorial frog (Anura, Mi…
We describe a new species of microhylid frog of the genus Synapturanus from the lower Putumayo basin in Loreto, Perú. Specimens inhabited the soils of stunted pole forests growing…
Taxonomic notes on Barinas: a new generic synonym, a new cave-dwelling species, and new records from Colombia (Arachni…
Barinas guanenta sp. nov. is described from a cave in Santander, central Andes of Colombia. The new species is recognized by the pedipalps and chelicerae entirely pale yellow and …
A new species of wood lizard (Hoplocercinae, Enyalioides) from the Río Huallaga Basin in Central Peru
We report the discovery of a new species of Enyalioides from the premontane forest of the Río Huallaga basin in central Peru. The most similar and phylogenetically related species…
A new species of Chalepides Casey, 1915 (Scarabaeidae, Dynastinae, Cyclocephalini) from the Pantanal of Brazil
Chalepides pantanalensis Ratcliffe & Seidel is described as a new species from the Pantanal region in Brazil. A description, diagnosis for distinguishing the species, illustration…
An elusive new species of gymnophthalmid lizard (Cercosaurinae, Selvasaura) from the Andes of northern Peru
We describe a new species of Selvasaura from the montane forests of the eastern slopes of the Andes in northern Peru, based on external and hemipenial morphological characters and…
A new cryptic species of the Pristimantis lacrimosus group (Anura, Strabomantidae) from the eastern slopes of the Ecuad…
With 566 species, the neotropical genus Pristimantis is the most speciose vertebrate genus. As a result of its striking diversity, taxonomic reviews remain a challenge. Herein, we…
Beauty is in the eye of the beholder: Cruciform eye reveals new species of direct-developing frog (Strabomantidae, Pris…
We describe a new species of frog from the eastern slopes of the Andes in central Peru. Pristimantis sira sp. nov. has a distinctive crossing mark on the iris and no tympanum. The…
A new vine snake (Reptilia, Colubridae, Oxybelis) from Peru and redescription of O. acuminatus
The Brown Vine Snake, Oxybelis aeneus, was until recently considered a single species, distributed from southern Arizona through the Neotropics into southeastern Brazil. However, …
Four new species of Stenocercus Duméril & Bibron, 1837 (Squamata, Iguania) from the Department of Amazonas in northeast…
The tropical Andes are known to be the richest and most diverse place on earth. This mountainous region covers almost one third of the Peruvian territory, and its herpetofauna rem…
An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Par…
Scorpions have always inspired fear and fascination because of the potency of their venoms. Although this ancient arachnid group is relatively small (ca. 2400 species) and has bee…
An updated diagnosis of the rare Amphisbaena slateri Boulenger, 1907, based on additional specimens (Squamata, Amphisba…
Amphisbaena slateri is a rare species of worm lizard from Peru and Bolivia, known only from three specimens. We found two additional specimens of this taxon, housed at the herpeto…
Raising the Dead: Rediscovery and redescription of some lost spider types (Araneae) described by Eugène Simon
In this paper, we are redescribing type material from the Zoological Museum in Hamburg that was thought to be lost. These specimens were described in 1902 by Eugène Simon from mat…
The goblin spiders (Araneae, Oonopidae) of the OTONGA Nature Reserve in Ecuador, with the description of seven new spec…
The goblin spiders (Araneae, Oonopidae) of the Otonga Nature Reserve in the Chocó region of Ecuador are reviewed. A total of 1034 adult specimens were collected in 2014 and 23 mor…
Ikaros navarretei (Coleoptera, Staphylinidae, Staphylininae), a new apterous rove beetle species from high elevations i…
A new species of the xanthopygine genus Ikaros Chatzimanolis & Brunke, 2021 is described from Colombia: Ikaros navarretei sp. nov. Illustrations and a key are provided to identify…
Two new high Andean species of Liodessus diving beetles from Venezuela (Coleoptera, Dytiscidae, Bidessini)
Two new species of the diving beetle genus Liodessus Guignot, 1939 are described from high mountain regions in Venezuela: Liodessus meridensis sp. nov. from Laguna de Mucabají, Mé…
Mitrapsylla rupestris sp. nov., a psyllid (Hemiptera, Psylloidea) associated with Poiretia bahiana (Fabaceae) endemic t…
Mitrapsylla rupestris sp. nov., associated with Poiretia bahiana C. Mueller (Fabaceae, Faboideae, Dalbergieae), is described, diagnosed and illustrated. The new species is morphol…
Two new species of Liodessus Guignot, 1939 diving beetles from Northern Peru (Coleoptera, Dytiscidae, Hydroporinae)
The diving beetles Liodessus altoperuensis sp. nov. and Liodessus caxamarca sp. nov. (Dytiscidae, Hydroporinae, Bidessini) are described from the high altitudes of the Puna region…
The first discovery of the genus Pseudoalaocybites Osella, 1980 from Ecuador, with a description of a new species in an…
Pseudoalaocybites chimborazoi sp. nov. – a new microphthalmic weevil from the Ecuadorian Páramo is described, compared, and the discovery is discussed. The record enlarges the dis…
A new species of Rhantus diving beetles from the wetlands of the City of Bogota and surroundings (Coleoptera, Dytiscida…
The Colombian species of the genus Rhantus are reviewed. Rhantus bogotensis sp. nov. is described and illustrated, based on specimens collected in the Altiplano of the Bogota regi…
Four new neotropical Trioza species associated with Loranthaceae (Santalales) and comments on mistletoe inhabiting psyl…
Four new Trioza species associated with mistletoes are described, diagnosed and illustrated from Brazil and Chile. They are monophagous on the LoranthaceaeStruthanthus uraguensis …
The male terminalia of seven American species of Drosophila (Diptera, Drosophilidae)
The male terminalia of seven species of Drosophila endemic to the New World are described or redescribed and illustrated: one in the hydei subgroup (D. guayllabambae) and four in …
The Cerrado crisis review: highlighting threats and providing future pathways to save Brazil's biodiversity hotspot
This review raises awareness of the Cerrado’s value to society and serves as an informative guide for ecology professionals, policymakers, and anyone interested in biodiversity co…
Rediscovery of a thought to be extinct beauty: a second chance for conservation
Some rivulids are specialized to live in temporary or ephemeral water bodies, and for this reason they are known as annual or seasonal fishes. The fact that these seasonal species…
Soil macroarthropod communities of Amazon degraded pastures restore differently during their natural regrowth
Understanding the recovery of soil macroarthropod communities during natural regrowth is crucial to demonstrate complete soil restoration. This is because these organisms can play…
Small reserve but high diversity: butterfly community across an altitudinal gradient in the Brazilian Atlantic Forest
The present study aimed to describe the composition of the butterfly community in relation to the altitudinal gradient in the Reserva Particular do Patrimônio Natural (RPPN) Alto-…
Abundance and survival rates of three leaf-litter frog species in fragments and continuous forest of the Mata Atlântica…
Habitat destruction and fragmentation alter the quality of habitats and put populations under the risk of extinction. Changes in population parameters can provide early warning si…
Vector analysis: a tool for preventing the introduction of invasive alien species into protected areas
Invasive alien species are the main agent of biodiversity loss in protected natural areas. Prevention is the most appropriate management tool for addressing this challenge, howeve…
Terrestrial mammal assemblages in protected and human impacted areas in Northern Brazilian Amazonia
Mammal communities in the vicinity of human settlements are often subject to subsistence hunting and retaliatory killings. We used fourteen digital camera traps equipped with infr…
Effects of forest fragmentation on the morphological and genetic structure of a dispersal-limited, endangered bird spec…
Throughout the tropics, pristine forests disappear at an alarming pace. This presents a severe threat to forest-dependent species. Especially dispersal-limited understory birds ar…
Morphological shifts in populations of generalist and specialist amphibians in response to fragmentation of the Brazili…
Changes in morphological traits, such as body size, body condition, and leg length, are important indicators of changes to life history or habitat quality, which can affect the pe…
Diet and trophic interactions in an introduced population of the Moorish gecko, Tarentola mauritanica (Linnaeus, 1758),…
Exotic species impact native biodiversity, with alien lizards acting as direct predators and indirectly as prey for other alien species (i.e., trophic subsidies). Tarentola maurit…
Thermal ecology of the South American leaf-toed gecko Phyllodactylus gerrhopygus (Wiegmann, 1834) (Gekkota, Phyllodacty…
Body temperature is fundamental for the ecology of ectotherms due to its direct effect on their fitness. The thermoregulation of small reptiles involves a regulatory process that …
Vocalizations of Atelopus ignescens (Cornalia, 1849): The repertoire of a resilient species that whispers not to disapp…
The Atelopus (or harlequin frogs) have become a symbol of the ongoing efforts to conserve biodiversity in Ecuador over the past few decades. Atelopus ignescens, also known as jamb…
Vine snakes (Oxybelis) and Sharpnose snakes (Xenoxybelis) (Squamata, Serpentes) from lowlands of Bolivia, with first re…
We present information on the occurrence of colubrid vine snakes (Oxybelis) and dipsadid sharpnose snakes (Xenoxybelis) from the lowlands of Bolivia. These genera have been poorly…
Diet, sexual dimorphism, and fertility aspects of Melanophryniscus fulvoguttatus (Mertens, 1937) from Central-East Braz…
Melanophryniscus fulvoguttatus is a small toad that inhabits the Cerrado, Atlantic Forest, and humid Chaco of South America. Due to its aposematic coloration and behavior, it is a…
Kleptoparasitism in Micrurus mipartitus (Squamata, Elapidae) competing for the same Caecilia sp. (Gymnophiona, Caecilii…
Kleptoparasitism, or food theft, is seldom reported in wild populations of snakes. Here, we describe as case where two Red-tailed Coral Snakes, Micrurus mipartitus, were observed …
Geographic distribution of the rare and endangered Telmatobufo venustus (Philippi, 1899) (Anura, Calyptocephalellidae)…
Telmatobufo venustus was one of the rarest endemic amphibians of Chile until 2020. Prior to that year, this species had been known in four localities, three of them with uncertain…
The advertisement calls of Pristimantis galdi Jiménez de la Espada, 1870 and Pristimantis katoptroides (Flores, 1988) …
In this study we describe for the first time the calls of Pristimantis galdi and Pristimantis katoptroides. Recordings were obtained in Sangay National Park, Ecuador. We highlight…
Description of the antipredatory head-wobble behaviour in Chilean rear-fanged snakes Tachymenis peruviana Wiegmann, 18…
In this work, we describe the first records of head-wobble behaviour for Tachymenis peruviana and T. chilensis coronellina. We analyse this behaviour (occurrence, frequency) and a…
Anti-predator behaviour of Rhinella major (Müller and Hellmich 1936), with insights into the Rhinella granulosa group
In anurans, the different types of anti-predator behaviour have been documented in isolation, but some species have shown synergistic strategies in different situations. The displ…
Characterisation of a skin secretion with adhesive properties in the ground frog Eupsophus vertebralis (Alsodidae)
Some skin secretions with adhesive properties allow frogs to distract predators and escape; their nature is poorly studied. Here, we report the sticky skin secretion released by t…