The complete mitochondrial genome and description of a new cryptic Brazilian species of Metopiellus Raffray (Coleoptera: Staphylinidae: Pselaphinae).

Metopiellus Raffray, 1908 is a genus of South American rove beetles typically found in tropical humid forests. Here we describe a new cryptic species from Eastern Amazon, in northern Brazil, Metopiellus crypticus Asenjo sp. nov., and its major morphologic diagnostic features, which were photographed and illustrated. In addition, we bring the complete mitochondrial genome sequence of M. crypticus sp. nov., and its position within the phylogenetic context of the family, including previously available mitogenomes of Staphylinidae species.

Checklist of Staphylinidae (Coleoptera) of El Salvador.

This paper is primarily a compilation of published data on the staphylinid beetle species reported for El Salvador. It is based on taxonomic and ecological literature, with inclusion of some new records from different entomological collections. Thirty eight genera and 96 species are reported in the list, including a first country record: Eulissus chalybaeus. Country-level distribution outside of El Salvador, locality references and topographic zones are included for each species. In the list, three endemic species are recorded: Seeversiella badia, S. minima and Stenus salvadorensis. It is remarkable that 14 genera (37%) and 52 species (54%) have only been reported at a country level in the literature, without a specific locality of collection, indicating the need for local inventories of this coleopteran family in the salvadoran territory.

Complete mitochondrial genome of a cave dwelling Desmopachria (Insecta: Coleoptera: Dytiscidae) from the Eastern Amazon.

Coleoptera presents most of the cave fauna biodiversity, with several troglobite species belonging to the aquatic family Dytiscidae. However, very little is known on both genetic and genomic diversity traits of Neotropical cave beetles. Thus, here we present the complete mitochondrial genome sequence of five specimens of Desmopachria collected in a ferruginous cave from Serra dos Carajás in Parauapebas (Pará, Brazil, Eastern Amazon). Besides the general characteristics of the mitogenome of the analyzed specimens, we present their phylogenetic position within the family, considering the available genome sequences of different subfamilies within Dytiscidae.

A new Peruvian species of Megarthrus Curtis (Coleoptera: Staphylinidae: Proteininae).

A new species of Megarthrus Curtis is described from the Eastern slopes of the Andes in southeastern Peru (Department of Cuzco). Major diagnostic features are photographed and illustrated, and COI molecular barcode is given.

Insect (Hexapoda) diversity in the oceanic archipelago of Fernando de Noronha, Brazil: updated taxonomic checklist and new records

ABSTRACT Hexapods, commonly known as insects, are a neglected taxonomic group in the Fernando de Noronha archipelago, with unanswered questions about their species richness and the ecological processes in which they are involved (e.g., colonization, introduction, establishment, and extinction). Herein, we provide an updated Hexapod checklist with current nomenclatural combinations. The entomofauna of the Fernando de Noronha archipelago is currently composed of 453 species in 21 orders. The orders, and their respective number of species, are: Blattaria (9), Coleoptera (118), Collembola (29), Dermaptera (3), Diplura (1), Diptera (134), Embioptera (1), Hemiptera (29), Hymenoptera (59), Isoptera (2), Lepidoptera (25), Mantodea (1), Neuroptera (3), Odonata (5), Orthoptera (11), Phasmatodea (1), Phthiraptera (6), Psocoptera (3), Siphonaptera (1), Thysanoptera (10), and Zygentoma (2). The archipelago has 263 new taxon records (family + genera + species). Thirty-eight species (3.39%) were described from local specimens and most of them are likely endemic species. This study more than doubles our knowledge (from the previous 190 records) of the entomofauna in this large Brazilian archipelago. This study also provides a baseline for studies on its conservation status and for implementing future environmental management programs.

A new troglobitic species of Metopioxys (Staphylinidae: Pselaphinae) from Brazilian iron ore caves.

A new species, Metopioxys carajas, is described from caves of Pará state in Brazil. Photographs and the major diagnostic characters are provided for the new species.

Staphylinidae (Insecta: Coleoptera) in Latin America: synopsis, annotated catalog, diversity and distribution.

The taxonomic diversity of species and genera of Staphylinidae and their distribution in Latin America are discussed and listed/tabulated based on published literature. In total, 11,675 species in 1075 genera are reported from Latin America. South America has the most recorded species for Latin America, 7773 including 7079 endemic species. The four subfamilies with the highest total number of genera including endemic genera are Aleocharinae, Staphylininae, Pselaphinae, and Paederinae. All recorded genera and their synonyms are listed alphabetically within the subfamilies of Staphylinidae, providing a catalog of published genera for Latin America. Two hundred forty-four color or black and white images of species representing different genera are provided.

A new Peruvian species and new records of the genus Elmas Blackwelder (Coleoptera: Staphylinidae).

Elmas gorky Rodríguez et al. new species, is described from the department of Madre de Dios in southeastern Peru. Major diagnostic features are photographed and illustrated. New records are provided for Elmas gigas Ashe Chatzimanolis, Elmas lescheni Ashe Chatzimanolis and Elmas strigella (Bernhauer).

Two new troglobitic species of Oxarthrius Reitter (Coleoptera, Staphylinidae, Pselaphinae) from Brazil.

Two new species, Oxarthrius inexpectatus and Oxarthrius aurora, are described from caves in Minas Gerais and Tocantins states in Brazil, respectively. The major diagnostic features are illustrated and a key to the known species from Brazil is given.

Two new species of Homalotrichus Solier, 1849 (Coleoptera: Staphylinidae) from Peru.

Two new species of Homalotrichus Solier, 1849 are described from the Peruvian highlands: H. yana sp. nov. (Cuzco and Junin) and H. shapra sp. nov. (Cajamarca). Photographs and drawings of the major diagnostic characters are provided for the new species. This contribution confirms the occurrence of the genus in Peru.

Redescription and new records of Ontholestes brasilianus Bernhauer, 1906 (Coleoptera: Staphylinidae: Staphylininae).

The genus Ontholestes Ganglbauer includes 35 species distributed mainly in Eurasia, with a few additional species in Africa and North and South America (Herman, 2001; Yang Zhou, 2012; Smetana Shavrin, 2013; Rougemont, 2016). According to Asenjo et al. (2013), the South American record of the Palearctic species Ontholestes murinus (Linnaeus, 1758) for Brazil made by J. Guérin (1953) seems doubtful. Ontholestes murinus was recorded for the first time outside the Palaearctic region by Smetana (1981), from Newfoundland, in Canada, as an adventive species (e.g., Downie and Arnett, 1996; Brunke et al., 2011), but its occurrence in Brazil remains to be confirmed; if the Guérin (1953) record was based on a mistaken identification or mislabeled specimen, this would reduce the number of species distributed in this region from two to one. With respect to O. brasilianus Bernhauer, although it has been confirmed for Peru, Brazil and Argentina (Herman, 2001; Asenjo et al., 2013; Newton, 2015; Newton Caron, 2015), no specific localities of occurrence have been reported since its description in 1906. Thus, to solve problems of misidentification with Neotropical species of this genus, in this study we redescribe Ontholestes brasilianus and provide the first illustrations of the beetle including its aedeagus and a short key for South American species. Additionally, new records from South America are listed here.

First record and a new species of Cylindroxystus Bierig (Coleoptera, Staphylinidae, Paederinae) in Colombia.

Cylindroxystus janualis sp. nov., of the Paederinae, subtribe Cylindroxystina, from Chocó, northwest Colombia is described, illustrated and distinguished from the other species mainly using aedeagal characters. This is the first record of Cylindroxystus Bierig 1943 from Colombia.

Description of Metopiellus painensis sp. nov. (Coleoptera, Staphylinidae), first troglobitic Pselaphinae from Brazil.

Metopiellus painensis new species, of the Neotropical pselaphine tribe Metopiasini, is described from Pains region, Brasil (Minas Gerais). Major diagnostic features are illustrated and a key to the known species is given.

Euconnus franzi Asenjo, new name on Neotropical Euconnus Thomson (Coleoptera: Staphylinidae: Scydmaeninae: Glandulariini).

During my doctoral studies, while assembling a taxonomic list of the Staphylindae of Brazil (Asenjo et al. 2013: 229), I found a primary junior homonym in the genus Euconnus Thomson. The purpose of this note is to provide a correction to this problem.

First record and a new species of Metopiasoides Comellini (Coleoptera, Staphylinidae, Pselaphinae) from Peru.

Metopiasoides jefersoni Asenjo, a new species, of the Neotropical pselaphine tribe Metopiasini, is described from Urubamba Valley in southeastern Peru (Cusco state). Major diagnostic features are illustrated.

Assessment the short-term effects of wrack removal on supralittoral arthropods using the M-BACI design on Atlantic sandy beaches of Brazil and Spain.

Wrack removal has been adopted indiscriminately, with no previous assessment of the ecological implications for sandy beach ecosystem. This study evaluated, through an M-BACI design, the effect of wrack removal on supralittoral arthropods on Atlantic sandy beaches receiving different types of wrack: mangrove propagules (Brazil), seagrasses and macroalgae (Spain). Impacted plots were contrasted with controls in 8 successive periods before and after experimental wrack removal. After the disturbance, drastic decreases in the densities of the amphipod Platorchestia monodi, coleopterans Cleridae, Nitidulidae and Phaleria testacea (Brazilian beaches) and amphipod Talitrus saltator (Spanish beaches) were detected in the impacted plots. The recovery patterns of arthropods might be related to wrack features (amount, composition, and degradation) combined with density and species-specific strategies (e.g. mobility, feeding preferences) in each Atlantic region. The temporary suppression of wrack and its associated fauna can have potential effects on the wrack-derived process and food-web structure on sandy beaches.

First record of Neolindus Scheerpeltz from French Guiana (Coleoptera, Staphylinidae, Paederinae), with a key to males.

The genus Neolindus Scheerpeltz, 1933, of the tribe Cylindroxystina Bierig, 1943, is recorded from French Guiana for the first time. Two new species, Neolindus irmlerisp. n. and Neolindus hermanisp. n., are described and illustrated. A key to males of Neolindus is provided.

Pseudopsis monica sp. nov. from the western Andes, Peru, with a key to the South American species of Pseudopsis Newman (Coleoptera, Staphylinidae, Pseudopsinae) / Pseudopsis monica sp. nov. do oeste dos Andes, Peru, com chave para as espécies da America do Sul de Pseudopsis Newman (Coleoptera: Staphylinidae, Pseudopsinae)

Pseudopsis Newman, 1834 is a genus of Pseudopsinae with about 46 species distributed worldwide, five of which have been reported for South America. In this paper P. monica sp. nov. is described and illustrated based on specimens collected in Lima, Peru. A key to South American species of Pseudopsis and a catalog are also provided.

Pseudopsis Newman, 1834 é um gênero de Pseudopsinae com cerca de 46 espécies distribuídas no mundo, destas cinco são registradas para a América do Sul. Nesta contribuição P. monica sp. nov. é descrita com base em exemplares coletados em Lima, Peru. Uma chave para as espécies de Pseudopsis da América do Sul e um catálogo são fornecidos.