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Introduction
Bruno Clarkson is an Associate Professor in the Department (Lab.) of Entomology and Phytopathology at the Northern Rio de Janeiro State University (UENF). His research focuses on Zoology, specifically Systematic Entomology and Evolutionary Biology.
Current institution
Additional affiliations
September 2020 - June 2023
September 2019 - present
March 2020 - March 2022
Education
February 2014 - September 2014
July 2011 - June 2015
March 2010 - December 2010
Publications
Publications (48)
Liogenys is a neotropical genus widely distributed in South America and characterized by rhizophagous feeding habits. Taxonomy survey of Liogenys from Chile revealed a species complex consisting of L. palpalis, L. obesula and an undescribed morphotype. Morphological data alone are not sufficient to distinguish between them. The three-species hypoth...
Whitin phytophagous Coleoptera beetles, Chrysomelidae is notable as one of the most diverse families, including around 6,000 described species in Brazil. Generally, they exhibit a variety of shapes and colors. However, they commonly appear oval and domed, often possessing a metallic appearance and glabrous dorsal view. This study aims to catalog an...
In 2000, Cleide Costa published a paper presenting the state of knowledge of the Neotropical Coleopte ra, with a focus on the Brazilian fauna. Twenty-four years later, thanks to the development of the Coleoptera section of the Taxonomic Catalog of the Brazilian Fauna (CTFB - Catálogo Taxonômico da Fauna do Brasil) through the collaboration of 100 c...
The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...
This list provides information on all the authors and coordinators of taxa of the Taxonomic Catalog of the Brazilian Fauna (TCBF), active between 2013-2023.
Furthermore, all Authors/Coordinators have been invited (via Google Forms) to serve as authors of the manuscript entitled Catálogo Taxonômico da Fauna do Brasil: setting the baseline knowledg...
The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classification. In this context, the B Brazilian meg...
The reduced temporal validity of species lists made available in a traditional manner in scientific publications has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent the up-to-date knowledge of all species and classifications. The Catálogo Taxonômico da Fauna do Brasil (CTFB), made publ...
The relationships among the Neotropical Diplotaxini and homology of revised and new taxa are revisited with parsimony analyses based on morphological characters, and probabilistic analyses based on concatenated ITS2 and COI genes. Neotropical Diplotaxini is now composed of five monophyletic genera: Pacuvia, Pachrodema, Homalochilus, Liogenys, and C...
Catálogo Taxonômico da Fauna do Brasil: se ng the baseline knowledge on the
animal diversity in Brazil
O presente estudo apresenta o aparecimento de espécimes do besouro Megasoma typhon typhon (Olivier, 1789) (Melolonthidae, Dynastinae), em uma área urbana privada próxima ao Parque Natural Municipal da Taquara, em Duque de Caxias, RJ. A espécie se distribui pelo Novo Mundo, encontrado especialmente na Caatinga, Cerrado e Mata Atlântica. Durante maio...
Esta segunda edição segue a mesma linha da primeira, dando base para o incremento do conhecimento científico relativo à entomologia brasileira nos seus mais diversos aspectos, com informações gerais sobre morfologia, biologia, classificações, relações filogenéticas, importância agrícola, médica, veterinária, métodos de coletas e chaves de identific...
Coleoptera is the most diverse insect order, including more than 400,000 species commonly known as beetles. At least 13,000 species of 37 families are considered aquatic, of which 16 families are recorded from Brazil. The present study aimed to survey the aquatic beetles occurring in a stretch of the Marambaia River, Mangaratiba, Rio de Janeiro, Br...
Long-term infection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represents a challenge to virus dispersion and the control of coronavirus disease 2019 (COVID-19) pandemic. The reason why some people have prolonged infection and how the virus persists for so long are still not fully understood. Recent studies suggested that the a...
Background:
The high demand for adequate material for the gold standard reverse transcription real-time polymerase chain reaction (RT-qPCR)-based diagnosis imposed by the Coronavirus disease 2019 (COVID-19) pandemic, combined with the inherent contamination risks for healthcare workers during nasopharyngeal swab (NP) sample collection and the disc...
Dated species-level phylogenies are crucial for understanding the origin and evolutionary history of modern faunas, yet difficult to obtain due to the frequent absence of suitable age calibrations at species level. Substitution rates of related or more inclusive clades are often used to overcome this limitation but the accuracy of this approach rem...
ACE2 and TMPRSS2 are key players on SARS-CoV-2 entry into host cells. However, it is still unclear whether expression levels of these factors could reflect disease severity. Here, a case-control study was conducted with 213 SARS-CoV-2 positive individuals where cases were defined as COVID-19 patients with respiratory distress requiring oxygen suppo...
Chasmogenus cajuina sp. nov., a new species of the water scavenger beetle (Hydrophilidae: Acidocerinae) is described and illustrated, based on adult males, collected in the Lower Parnaíba River Basin, north of Piauí, Northeast Region of Brazil. In addition, Helochares (Sindolus) femoratus (Brullé, 1841) and Hydrobiomorpha spatula Bachmann, 1988 are...
The study of ca. 280 specimens of Cercyon Leach, 1817 (Hydrophilidae: Sphaeridiinae: Megasternini) deposited in the Coleção Entomológica Pe. J.S. Moure, Universidade Federal do Paraná, Brazil, revealed a new species from Atlantic Rain Forest biome in Paraná State (Southern Brazil) and new records. Cercyon (Cercyon) curi sp. nov. is herein described...
As a contribution to knowledge of the aquatic beetles of the Neotropical Region, the genus Berosus Leach is recorded for the first time from Roraima State in northern Brazil. Three new species are described and illustrated: Berosus illuviosus sp. n., B. parvus sp. n., and B. andreazzei sp. n. In addition, we present a checklist of the Berosus speci...
We report herein the first record of necrophagy on Rhinella granulosa (Spix, 1824) (Anura, Bufonidae) by the aquatic beetles Tropisternus (Pristoternus) apicipalpis (Chevrolat, 1834) family Hydrophilidae, and Thermonectus succinctus (Aubé, 1838) family Dytiscidae. The behavioural biology record is presented with precise identification at the specie...
Two new species of Hemiosus (Coleoptera: Hydrophilidae) from the central cordillera of the Colombian Andes are described. Hemiosus molanoi González-Rodríguez & García-Hernández sp. nov. and H. quindiensis González-Rodríguez & Clarkson sp. nov. are described based in 56 adult specimens collected in river-associated sandy puddles (26 specimens of H....
As an add-on to the work of Clarkson et al. (2016), new distributional data on species of Helobata Bergroth, 1888 (Hydrophilidae: Acidocerinae) from Brazil is provided. Helobata amazonensis Clarkson, Santos & Ferreira‑Jr., 2016, is recorded for the first time for Roraima State and its female is recorded for the first time. Helobata quatipuru Fernán...
A survey of the Hydrophilidae (Coleoptera: Hydrophiloidea) from Baixo Parna ıba Sub-basin, north of Piau ı (Northeast Region of Brazil) is provided here. A total of 288 specimens, from 7 genera and 13 species, were collected between January 2015 and March 2016 in 15 localities. Six species are recorded for the first time from the State of Piau ı: B...
A new species of Oocyclus Sharp, 1882, O. pilosus sp. nov. is described and illustrated from Mato Grosso State in Central-Western Brazil. Oocyclus itapecum Clarkson & Short 2012 and O. yubai Clarkson & Short 2012 are newly recorded from São Paulo and from Mato Grosso, Goiás and Paraná States respectively. The doubtful record of Oocyclus aeneus Clar...
A list of species of Hydrophilidae from Quindío Department, Colombia is presented. This list is based on recently collected specimens, a survey of data from the literature, and specimens deposited in the Colección de Insectos de la
Universidad del Quindío (CIUQ). Twenty-three species, including 16 new records from Colombia, are listed. Information...
A new species of Phaenostoma d’Orchymont, 1937 (Hydrophilidae: Sphaeridiinae: Coelostomatini) from Brazil is des-cribed and illustrated. Phaenostoma tupiniquim sp. nov. is described based on an adult male specimen from the Caatinga biome in Ceará State (Northeastern Brazil) and two specimens from uncertain localities, but most likely Mato Grosso an...
Background:
Diversity and distribution of Neotropical aquatic insects is still poorly known, with many species to be recorded and many others to be described, due to the small number of taxonomists and sparse faunistic studies. This knowledge is especially poor in the Caatinga Domain in Northeastern Brazil, even though, this region may have played...
Two new species of Helobata Bergroth, 1888 (Hydrophilidae: Acidocerinae) from Brazil are described and illustrated. Helobata amazonensis sp. nov. is described based on an adult male specimen from the Amazon River floodplains, Ama-zonas State. Helobata pantaneira sp. nov. is described based on an adult male specimen collected from swamps in the Pant...
Berosini comprises about 380 species distributed into 5 genera: Berosus Leach (290 spp.) with worldwide distribution; Derallus Sharp (18 spp.) and Hemiosus Sharp (36 spp.) restricted to the New World; and Allocotocerus Kraatz (27 spp.) and Regimbartia Zaitzev (10 spp.) from the Afrotropical, Australian, and Oriental regions. Berosus is traditionall...
A new species of Helochares Mulsant, 1844 (Hydrophilidae: Acidocerinae) from Brazil is described and illustrated. Helochares (s. str.) atlanticus sp. nov. is distinct mainly by characteristics of the aedeagus whose phalobase is short, narrowed on basal third; parameres are thick, constricted on apical quarter, with small tooth-like projection on ou...
The water scavenger beetle genus Lachnodacnum Orchymont, 1937 sensu HANSEN (1991) is revised. The three species that had previously been placed in the genus, L. luederwaldti Orchymont, 1937 (southern Brazil), L. saundersi Orchymont, 1937 (northern Brazil) and L. urichi (Scott, 1912) (Trinidad and Tobago), are redescribed in detail and illustrated w...
The genus Chasmogenus Sharp, 1882 (Hydrophilidae: Acidocerinae) is recorded from Brazil for the first time. Four new species are described and illustrated from the Southeastern Region of the country: C. fluminensis sp. nov. (Rio de Janeiro State), C. lilianae sp. nov. (Rio de Janeiro State), C. itatiaia sp. nov. (Minas Gerais and Rio de Janeiro Sta...
Following the biennial tradition, the fi fth Immature Beetles Meeting was held in Prague in October 3–4, 2013. As usual, the meeting took place at the Faculty of Science of Charles University in Prague and was organized in cooperation with the National Museum in Prague and the Crop Research Institute in Prague. In total, 59 participants from Europe...
The family Hydrophilidae is the largest group of the superfamily Hydrophiloidea to which the largest aquatic Polyphaga are allocated. Phylogenetic studies based on morphological characters suggest that in Hydrophilidae, specifically in Hydrophilini, the body size is related to the group evolution. Despite these morphological analyses, cytogenetic s...
The Brazilian species of the water scavenger beetle genus OocyclusSharp, 1882 are revised. Fourteen species are recognized, including ten described as new from southern and southeastern Brazil: Oocyclus acurusp. n., O. aeneussp. n., O. alterosa sp. n., O. caparao sp. n., O. flexussp. n., O. itapecori sp. n., O. itapicum sp. n., O. rotundussp. n., O...
An updated checklist of species of Hydrophilidae and their locations in Rio de Janeiro State is presented. A total of 70 species are listed, belonging to 19 of the 27 genera reported to Brazil, distributed in 34 municipalities. Identification keys are provided to adults of the genera and species occurring in Rio de Janeiro State, as well as diagnos...
Uma lista preliminar das espécies de Hydrophilidae com registro de ocorrência no Estado do Rio de Janeiro é apresentada. A lista foi preparada com base em estudo apurado da literatura e exame de três coleções entomológicas: Departamento de Zoologia (DZRJ) e Museu Nacional (MNRJ), na Universidade Federal do Rio de Janeiro, e Museu de Zoologia da Uni...
Three new species of Hemiosus (Coleoptera: Hydrophilidae) from Southeastern Brazil are described and illustrated: H. ater sp. nov., H. frades sp. nov., and H. santosi sp. nov. Hemiosus fittkaui Oliva and H. moreirai d'Orchymont are recorded for the first time from Bahia and São Paulo states in Brazil respectively. Resumo Três novas espécies de Hemi...
