Works in Argentina

The mammalian and flea fauna of La Rioja Province is one of the least known from northwestern Argentina. In this study, the distribution and nomenclature of 13 species of fleas of…

Here, Ungla Navás, 1914, a poorly known Neotropical genus is reviewed. Twenty-five valid species are recognized; seven of them are new to science: Ungla adamsi sp. n., U. elbergi …

The Neotropical caddisfly (Trichoptera) fauna is cataloged from a review of over 1,000 literature citations through 2015 (partial 2016) to include 3,262 currently recognized, vali…

The species of the genus Lamproclasiopa Hendel are revised, including 13 new species (type locality in parenthesis): L. aliceae (United States. New Mexico. Grant: Silver City (Big…

After finding distinct clades in a molecular phylogeny for Nepticulidae that could not be placed in any known genera and discovering clear apomorphic characters that define these …

A new species of land planarians of the genus Cratera is described. Cratera viridimaculata sp. n. was recorded in the Atlantic Forest Ecoregion, in north-eastern Argentina, and re…

The bee subgenus Chilicola (Heteroediscelis) Toro & Moldenke, 1979 (Hymenoptera, Colletidae, Xeromelissinae) is revised. The subgenus is considered endemic to Chile and occurs acr…

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…

The dataset of free-living marine nematodes of San Antonio Bay is based on sediment samples collected in February 2009 during doctoral theses funded by CONICET grants. A total of …

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…

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…

Among polychaetes, polynoids have the highest number of symbiotic species found living with a wide variety of marine invertebrates, including other polychaetes. Lepidasthenia Malm…

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 …

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…

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…

A new species of flea of the genus Ctenidiosomus Jordan, 1931 (Siphonaptera: Pygiopsyllidae) is described from Phyllotis osilae J. A. Allen, 1901, from Salta Province, Argentina. …

Malalcahuello ocaresi gen. n. & sp. n., from Chile, is described and compared with Campyloxenus pyrothorax Fairmaire & Germain, 1860.

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…

The free-living marine nematodes of San Julián Bay dataset is based on sediment samples collected in January 2009 during the project PICT AGENCIA-FONCYT 2/33345-2005. A total of 3…

The freshwater genus Hyalella Smith, 1874 has a distribution restricted to the Western Hemisphere with most species being found in South America. In this report we describe a new …

The Neotropical species of Asthenopodinae are revised in a formal phylogenetic context. The five known species of Asthenopus Eaton, 1871, together with other five new species were…

Artemesia longinaris is a marine shrimp endemic to the southwestern Atlantic and distributed from Atafona, Rio de Janeiro (Brazil) to Rawson, Chubut (Argentina). In recent years, …

Measures of hydrologic connectivity have been used extensively to describe spatial connections in riverine landscapes. Hydrologic fluctuations constitute an important macrofactor …

The relative growth of a number of morphological dimensions of the South American freshwater crab Trichodactylus borellianus (Trichodactylidae) were compared and related to sexual…

In Argentina, 10 genera and 33 species of Stenopodainae (Hemiptera: Reduviidae) have been recorded. Diagnoses of the genera, subgenera and species are given, and an illustrated ke…

This synopsis provides an identification key to the genera of Tribe Lachnophorini of the Western and Eastern Hemispheres including five genera previously misplaced in carabid clas…

Laguna Blanca National Park (LBNP) is located in the mid-west of Neuquén Province, Argentina. It was created in 1940 with the aim of conserving the nesting and breeding habitats o…

The unique geography of Chile encompasses a wide diversity of ecosystems and a rich biodiversity. However, the platyhelminth fauna has been poorly studied. The aim of this work is…

Wetlands currently have high rates of degradation, with more than 70% lost globally. In the central Monte Desert, Argentina, they are a scarce and limited resource for the biodive…

Although there are studies on certain aspects of the feeding ecology of several species of Neotropical parrots, there is scarce ecological information about Pyrrhura molinae – a P…

The study of biodiversity is a fundamental step to develop conservation strategies. Reptile populations are immersed in a global crisis, due to anthropic disturbances. Almost the …

Community structure is strongly influenced by positive interactions between species. Detecting and describing these interactions is essential in the study of communities. Dolichot…

Philodryas agassizii is an endangered snake of shrubland and grasslands well preserved in Argentina, Paraguay, Brazil, and Uruguay. In the southeastern area of its range, this sna…

We report the first record of Gambusia holbrooki Girard, 1859 at elevations above 1,615 m in the Puna Austral, Provincia Catamarca, Argentina. This fish was introduced by intentio…

La región fitogeográfica del Espinal en Argentina está críticamente amenazada, ya que gran parte de su territorio históricamente cubierto por bosque fue convertido a cultivos. Con…

In this contribution, we present the first annotated catalogue of type material deposited at the Crustacea collection of the Museum of Nature Hamburg, Leibniz Institute for the An…

A new species of Pycnothelidae Chamberlin, 1917 from the Pampean mountain ranges, Córdoba, Argentina is described and illustrated: Acanthogonatus monicae sp. nov. Here, we combine…

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 in the long-jawed orb-weaving spider genus Tetragnatha Latreille, 1804 are described from South America: Tetragnatha amazonica sp. nov. (Venezuela); T. cristata s…

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…

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…

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…

Alsodes pehuenche, an endemic anuran that inhabits the Andes of Argentina and Chile, is considered “Critically Endangered” due to its restricted geographical distribution and mult…

The crinipelloid genera Crinipellis and Moniliophthora (Agaricales, Marasmiaceae) are characterized by basidiomes that produce long, dextrinoid, hair-like elements on the pileus s…

Arbuscular mycorrhizal (AM) fungal community associated with pecan (Carya illinoinensis) roots and rhizospheric soils was assessed by spore isolation and morphological characteris…

Diversity of corticioid fungi (resupinate Basidiomycota), especially outside the northern temperate climatic zone, remains poorly explored. Furthermore, most of the known species …

The Neotropical tribe Spathicarpeae (Araceae, Aroideae) comprises 14 genera distributed from southern Mexico to Uruguay. Despite its complex taxonomic history, the tribe lacks a c…

We describe Echinodorus nenufar, a new species from ephemeral aquatic environments in the dry Chaco region of northern Argentina and western Paraguay. This species is readily dist…

Australian forests and woodlands are dominated by the species-rich (> 700 spp.) genus Eucalyptus L’Hér. (Myrtaceae). Despite this modern-day dominance, the earliest macrofossil ev…

Chile’s distinctive flora, geographical isolation, and complex topography collectively contribute to a notable endemic species diversity, particularly within central regions ident…