Fernando Willyan Trevisan Leivas
@palotina.ufpr.br
Departamento de Biodiversidade
Universidade Federal do Paraná
RESEARCH, TEACHING, or OTHER INTERESTS
Animal Science and Zoology, Agricultural and Biological Sciences
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Scopus Publications
PRISCILA A. SANZ-VEIGA, MARCOANDRE SAVARIS, FERNANDO W. T. LEIVAS, ALEXANDRE DA SILVA MEDEIROS, and FELIPE W. AMORIM
Magnolia Press
The genus Hemicolpus Heller, 1895 (Curculionidae: Conoderinae) currently includes six species: H. cubicus (Lacordaire) (Brazil); H. heteromorphus Hustache (Brazil); H. abdominalis Hustache (Bolivia, Brazil, and Paraguay); H. costaricensis Hespenheide (Costa Rica); H. randiae Hespenheide (El Salvador and Mexico) and H. prenai Hespenheide (El Salvador and Mexico). The known species are predispersal seed predators whose larvae feed and develop within fruits of Rubiaceae. Species from Central America have been reared from the fruits of Randia L. (Rubiaceae). In contrast, the only host plant known for the South American species, H. abdominalis, is Tocoyena formosa (Cham. & Schltdl.) K. Schum. (Rubiaceae), a plant species widely distributed in the Cerrado biome, occurring from southeast to north and northeast of Brazil. Here, we describe a seventh species of Hemicolpus, H. maragatensis Sanz-Veiga, Savaris & Leivas, sp. nov., morphologically close to H. abdominalis, associated with fruits of Randia ferox (Cham. & Schltdl.) DC. in the south of Brazil. Furthermore, we designate a lectotype and provide a redescription of H. abdominalis, including additional characters to differentiate it from H. maragatensis. For both species, we provide morphological descriptions of external and internal characters, including male and female genitalia illustrations, distribution data, and notes on the biology and host plant. A barcode region of the mitochondrial DNA is also included for both species adding genetic information to the species characterization and differentiation. We also provide an identification key for the species of the genus.
Fernando W. T. Leivas, Manuel A. Ix-Balam, Tauana P. Christ, and Peterson T. Leivas
FapUNIFESP (SciELO)
ABSTRACT The effect of climatic conditions on the structure of populations has been perceived for different orders of insects and families of beetles. Here we described the population dynamics of Euspilotus azureus (Sahlberg, 1823) and determined its relationship with climatic variables. The specimens were collected monthly for one year in an area of Seasonal Semideciduous Forest, in Viçosa, Brazil. The seasonality of the population and of sexes was estimated through the absolute frequency of occurrence (AF) and the percentage frequency of occurrence (FO%) of the population and each sex, which were determined monthly. To test whether the changes in monthly AF of the population and of each sex are correlated with climatic variables, Spearman correlation tests were performed. To identify whether there are temporal fluctuations in the sex ratio, considering months and seasons, and within each season, we performed Chi-square tests. A total of 3,126 individuals (1,009 females and 2,117 males) were collected. The population had the highest abundance in spring and summer, and the lowest in autumn and winter. The highest AF and FO were found in December and January, and the lowest in June and July. The sex ratio of the population did not differ in the months of the year, but in the spring there was a marked predominance of males. For E. azureus, the temporal fluctuation in abundance of the population and in the sex ratio is related to the climatic variables of maximum temperature, humidity, and precipitation. Climatic variables, especially the temperature, provided a greater abundance of the population in the hottest and rainiest periods of the year for inducing reproductive activity and altering the population’s sex ratio.
A F Carvalho, F W T Leivas, and T B Souza
Springer Science and Business Media LLC
Luciana Iannuzzi, Carolina Nunes Liberal, Thamyrys Bezerra de Souza, Thais Giovannini Pellegrini, Janaina Camara Siqueira da Cunha, Ricardo Koroiva, Larissa Simões Corrêa de Albuquerque, Fábio Correia Costa, Renato Portela Salomão, Artur Campos Dália Maia,et al.
Springer International Publishing
Rodrigo C. Correa, Fernando W. T. Leivas, Daniel P. Moura, and Lucia M. Almeida
Coleopterists Society
Abstract Histerids are predatory beetles that can be found in almost every known environment and are of potential importance for forensic entomology. We compiled 990 records of necrophilous Histeridae in carrion from over 139 published papers, and representing five subfamilies, 42 genera and 235 species. The most representative subfamilies were Saprininae and Histerinae (together representing 92% of all records). Distributional data for all species includes 73 countries in seven geopolitical regions or continents with Europe, North America and South America being the most represented.
Eliana Maria dos Passos, Fernando Willyan Trevisan Leivas, Adenir Vieira Teodoro, Flaviana Gonçalves da Silva, Viviane Talamini, and Michel Dollet
Florida Entomological Society
Coconut trees of the cv. Green Dwarf of Jiqui in Bahia, northeastern Brazil, that displayed hartrot symptoms were cut and inspected for the presence of insect vectors in the leaf axils. Eggs, nymphs and adults of Lincus lobuliger Breddin (Hemiptera: Pentatomidae), vector of the protozoan causing hartrot, were collected together with an abundance of adults of the predatory beetle Hololepta (Leionata) quadridentada (Olivier) (Coleoptera: Histeridae). In the field, both were placed in a plastic container for transport, and the predation of L. lobuliger eggs by the histerid was observed. The predation was subsequently confirmed under controlled laboratory conditions. Here, we report for the first time H. quadridentada preying on L. lobuliger eggs, suggesting that the histerid contributes to the natural biological control of this vector. Moreover, our results could contribute to the development of biologically sound control strategies against L. lobuliger or other Lincus species.
Letícia Vieira, Priscila K. S. Nascimento, and Fernando W. T. Leivas
Coleopterists Society
Abstract
We aimed to verify how distinct habitats (forest, cerrado, rupestrian field, and introduced pasture) and attractive baits contribute to histerid beetle distribution in the Serra de São José, Brazil. Beetles were sampled using baited pitfall traps (50 g of omnivore dung, bovine dung, or bovine carcass), resulting in the collection of 1,129 individuals representing 22 species. Histerid diversity was reduced in areas with low vegetation complexity, where we also observed a high dominance of Hister cavifrons Marseul. Meanwhile, Euspilotus excavata Arriagada was abundant and exclusive in the forest. Habitats exhibited distinct histerid communities according to a ANOSIM test, but the same test failed to find that baits attracted different “communities” of species. These results highlight the simplification process acting after habitat degradation, with a prevalence for common species with a large geographic distribution. Our results also show the importance of habitat diversity at the landscape level to histerid biodiversity in the Neotropics.
Peterson T. Leivas, Thiago B. Mayer, Fernando W. T. Leivas, and Luis F. Fávaro
Universidade de Sao Paulo, Agencia USP de Gestao da Informacao Academica (AGUIA)
Trophic niche of Dendropsophus minutus (Anura: Hylidae) in southern Brazil. The feeding biology of the Neotropical tree frog Dendropsophus minutus is described based on identifcation of the items consumed by the anuran. Samples were collected monthly samplings for one year in an Araucaria forest in the state of Paraná in southern Brazil. Of the total of 101 gastrointestines examined, 51 were empty or contained digested remains or plant items. The 50 samples of gastrointestinal contents contained three classes and 10 orders of arthropods. The results suggest that D. minutus is a generalist predator that feeds on arthropods, primarily those in the orders Araneae, Lepidoptera, and Diptera. The diet varies seasonally depending upon prey activity, which determines the breadth of the trophic niche of the frog.
Edegar Krüger, Cassiano Kahlow, Fernando W. T. Leivas, and Guilherme Schnell e Schühli
Springer Science and Business Media LLC
DANIEL P. MOURA, FERNANDO W. T. LEIVAS, and MARIA F. C. CANEPARO
Magnolia Press
Omalodes Dejean, 1833 is the largest genus of Omalodini, with approximately 63 species described in three subgenera with an exclusively Neotropical distribution. Currently there are only two described species for the Caribbean, both of the subgenus Omalodes, and among other species they are the only ones with complete apical stria on the elytra. Two new species of this subgenus: Omalodes angelo sp. nov. (Holotype male deposited in FSCA: Dominican Republic, Monte Cristi Prov.) and Omalodes kovariki sp. nov. (Holotype male deposited in USNM: Dominican Republic, Monte Cristi Prov.) are described. Both species present a complete apical stria on the elytra and a superficial sulcus or impression on the frons. The lateral pronotal punctures are more evident in O. angelo sp. nov. while in O. kovariki sp. nov. they are weaker, only slightly more evident than the ground punctures. Both species have the punctures of the propygidium somewhat sparse. However, in O. angelo sp. nov. the punctures are limited to the sides and slightly in the middle anteriorly. Omalodes kovariki sp. nov. have a wide glandular opening posterad to metacoxae, a character not registered before for the genus.
Nathália G. R. Celli, Fernando W. T. Leivas, Maria Fernanda C. Caneparo, and Lúcia M. Almeida
FapUNIFESP (SciELO)
RESUMO As espécies de Histeridae são quase que exclusivamente predadoras e podem ser encontradas em uma grande diversidade de ambientes. Dentre os grupos associados a carcaças, alguns são citados como relevantes na entomologia forense médico-legal. Entretanto, há pouca informação taxonômica para a família, principalmente na Região Neotropical. Desta forma, os objetivos do trabalho foram elaborar uma chave de identificação e caracterizar as espécies de Histeridae de interesse médico-legal no Brasil. Além disso, são apresentadas informações de distribuição geográfica e aspectos biológicos das espécies. As seguintes espécies são registradas como relevantes na entomologia forense no Brasil: Aeletes nicolasi Leivas, 2012; Euspilotus azureus (Sahlberg, 1823); Hister cavifronsMarseul, 1854; Omalodes bifoveolatus Marseul, 1853;Omalodes foveola Erichson, 1834; Omalodes lucidus Erichson, 1834, Operclipygus subterraneusCaterino & Tishechkin, 2013; Phelister sanguinipennisMarseul, 1853; e Scapomegas auritus Marseul, 1855. Esta contribuição representa a primeira ferramenta para uma melhor identificação dos Histeridae associados a carcaças no Brasil e pode servir como referência e aplicação na entomologia médico-legal.
FERNANDO W. T. LEIVAS, DANIEL P. MOURA, and MICHAEL S. CATERINO
Magnolia Press
A new species of the Hister coenosus group from southern Brazil is described. Hister lucia sp. nov. is the largest Hister sp. in the New World, and is also distinguished by its dorsally and laterally concave mandibles. The three genera of Histerini recorded from Brazil are keyed, and a checklist of species of the tribe recorded from Brazil is presented. In total, seventeen described species of Histerini are recorded from Brazil, including fifteen of Hister Linnaeus, one of Atholus C. Thomson, and one of Margarinotus Marseul.
FERNANDO W. T. LEIVAS, CARLA L. BICHO, and LÚCIA M. ALMEIDA
Wiley
AbstractAccording to the current Histeridae classification, Omalodini is composed of 100 species described in 12 genera distributed in the Neotropical, Afrotropical, Afrotemperate and Oriental regions: Asolenus Lewis; Atribalus Bickhardt; Blypotehus Vienna, Ebonius Lewis; Lewisister Bickhardt; Notolister Lewis; Omalodes Erichson, divided in Omalodes (Omalodes), O. (Diplogrammicus) Lewis and O. (Cornillus) Lewis; Perfidolenus Vienna; Rhypochares Marseul; Scapomegas Lacordaire; Sphyracus Marseul; Theropatina Mazur. Our aims were to test the monophyly of Omalodini, using cladistic analysis, and propose a hypothesis of the phylogeny of the tribe. The matrix was composed of 49 terminal taxa (34 from the ingroup and 15 from the outgroup) and 131 characters of the adult morphology. The data were analysed under equal weights and implied weights. In both analyses, Omalodini represents a polyphyletic group and the trees obtained from equal weights analysis (two most parsimonious trees) were chosen in order to recover the tribe's monophyly. We recognize three lineages in Omalodini: Ebonius, undescribed genus and Omalodes, being supported by six transformations (Ebonius + (undescribed genus + Omalodes)). The sister group of Omalodini was defined as a clade composed of Histerini, Platysomatini and Hololeptini. The subgenera of Omalodes were not resolved consistently under different implied weight analyses. It is necessary to emphasize that Omalodes (Omalodes) comprises the largest group of Omalodini and requires an analysis with better sampling for more precise resolution of the internal phylogeny of the genus. The groups excluded a posteriori from Omalodini, Theropatina, Asolenus, Atribalus, Blypotehus, Lewisister, Notolister, Perfidolenus, Rhypochares, Sphyracus and Scapomegas, could not be allocated to any of the existing tribes of Histerinae.
FERNANDO W. T. LEIVAS, NICOLAS DEGALLIER, and LÚCIA M. ALMEIDA
Magnolia Press
A new species of Omalodini, Omalodes atacamanus sp. nov., is described from Chile. A redefinition of Omalodini is proposed and an identification key to the genera is provided. The new species can be distinguished from other species of Omalodes mainly by all tibiae having a row of setae on outer submarginal region. Omalodini sensu nov. is herein restricted to a lineage of Ebonius Lewis, 1885 and Omalodes Dejean, 1833. The tribe has known distribution across Latin America with some species reaching the southern USA.
Fernando Willyan Trevisan Leivas, Paschoal Coelho Grossi, and Lúcia Massutti Almeida
FapUNIFESP (SciELO)
Histeridae é um grupo de besouros com morfologia diversificada, conhecidos como predadores generalistas e que ocorrem em uma ampla variedade de habitats. O objetivo deste trabalho foi apresentar uma primeira listagem dos táxons de Histeridae ocorrentes na região dos Campos Gerais (Parques Estaduais de Vila Velha, do Cerrado, e do Cânion Guartelá) e fornecer informações sobre as espécies das Unidades de Conservação do Estado do Paraná. Também foram apresentados os métodos apropriados para coleta do grupo. Os Histeridae dos Campos Gerais estão, até o momento, representados por 29 espécies de oito gêneros: Haeteriinae sp. (1 sp.), Coelister Bickhardt, 1917 (1 sp.), Epierus Erichson, 1834 (1 sp.), Euspilotus Lewis, 1907 (6 spp.), Hister Linnaeus, 1758 (2 spp.), Omalodes Dejean, 1833 (3 spp.), OperclipygusMarseul, 1870 (6 spp.) e Phelister Marseul, 1854 (9 spp.). Dois gêneros (Coelister e Epierus) e quatro espécies (Coelister sp., Phelister brevistrius Marseul, 1854, Phelister panamensisLeConte, 1859 e Phelister pumilus (Erichson, 1834)) foram registrados pela primeira vez para o Estado do Paraná. Cinco gêneros (Coelister, Epierus, Euspilotus, Hister e Phelister) e cinco espécies (Coelister sp., Omalodes laceratus Marseul, 1853, Phelister brevistrius, Phelister panamensisLeConte, 1859 e Phelister pumilus (Erichson, 1834)) foram registrados pela primeira vez para os Campos Gerais. A fauna de Histeridae se mostrou diversa quando comparada a levantamentos em outras formações vegetacionais. Entretanto, a maioria das espécies não demonstra uma seleção de hábitat para áreas abertas. Considerando a perda de habitat ocorrida nos Campos Gerais, salienta-se a importância dos levantamentos faunísticos através de métodos apropriados e listagens regionais de Coleoptera para o conhecimento da biodiversidade.
Peterson T. Leivas, Fernando W. T. Leivas, and Maurício O. Moura
FapUNIFESP (SciELO)
Lithobates catesbeianus (Shaw, 1802) is an invasive anuran introduced in Brazil that is associated with the displacement and the decline of populations of native species worldwide. There is evidence that biological invasions are facilitated by certain attributes of the invading species, for instance niche breath, and that invasive species have a broader ecological niche with respect to native ones. We designed a study to ascertain the temporal, ontogenetic, and sex differences in the niche dynamics of the American bullfrog. We sampled monthly from June 2008 to May 2009 in the state of Parana, southern Brazil. For each individual, we gathered biometric and stomach content data. We then estimated the niche breath of the juveniles and adults, and compared it between the sexes. A total of 104 females and 77 males were sampled. Lithobates catesbeianus has a generalist diet, preying upon invertebrates and vertebrates. Even though the diet of the studied population varied seasonally, it did not differ between the sexes nor did it respond to biometric variables. Niche breadth was more restricted in the winter than in the autumn. The trophic niche of juveniles and adults did not overlap much when compared with the trophic niche overlap between males and females. Adult males and females had a considerable niche overlap, but females had a broader trophic niche than males in the winter and in the spring. These niche characteristics point to an opportunistic predation strategy that may have facilitated the process of invasion and establishment of this species in the study area.
R C Corrêa, D P Moura, F W T Leivas, and L M Almeida
Springer Science and Business Media LLC
FERNANDO W.T. LEIVAS, KLEBER M. MISE, LÚCIA M. ALMEIDA, BRUNA P. MACARI, and YVES GOMY
Magnolia Press
A new species of abraeine histerid, Aeletes (s. str.) nicolasi sp. nov. is described and illustrated from Paraná State, Brazil.An identification key is provided to the known Brazilian species of Aeletes. Ecological data are provided for the new species and for the genus, being the first record of Aeletes in carrion.
NICOLAS DEGALLIER, FERNANDO W. T. LEIVAS, and DANIEL P. MOURA
Magnolia Press
The Neotropical histerid genus Ebonius Lewis, 1885 is revised. Characters are provided for the recognition of the genus and its species. All three species are illustrated and keyed and information about the collection methods is given. Ebonius can be recognized by the "U"-shaped carinal stria, sutural region of elytra concave, first abdominal sternum stria present anteriorly and laterally, and middle region of pygidium with a transverse elevation.