Navegando por Assunto "Edessa"

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Caracterização do grupo Edessa rufomarginata e descrição de sete novas espécies (Heteroptera, Pentatomidae, Edessinae)
(2006-09) SILVA, Eduardo José Ely e; FERNANDES, José Antônio Marin; GRAZIA, Jocélia
The Edessa group rufomarginata is proposed to include E. rufomarginata (De Geer, 1773), E. marginalis (Dallas, 1851), E. albomarginata (Stål, 1855), E. abdominalis Erichson, 1848, E. corallipes Erichson, 1848, E. aulacosterna Stål, 1872, E. ovalis Stål, 1872, and E. nigropunctata Berg, 1884. Seven new species are described in this group, six from Brazil and one from Argentina: E. brasiliensis sp. nov., E. castaneolineata sp. nov., E. cerradensis sp. nov., E. chapadensis sp. nov., E. luteovenulata sp. nov., E. rufodorsata sp. nov. (Argentina) and E. virididorsata sp. nov. These species are known from Venezuela, Suriname, Guyana, Brazil, Paraguay and Argentina.
Acesso aberto (Open Access)
Proposição de um novo gênero de Edessinae (Heteroptera, Pentatomidae)
(Universidade Federal do Pará, 2015-02-12) CORREIA, André Oliveira; FERNANDES, José Antônio Marin; http://lattes.cnpq.br/6743352818723245
Edessinae have seven genera, among them Edessa is the largest with more than 250 names proposed and more than 300 species to be described. The diversity resulted in a complex taxonomical history, so Edessa is the genus with more taxonomical and nomenclatural problems in Edessinae. Review the genus in groups of species is the best proposal to organize Edessa and it already resulted in description of two new genera of Edessinae. This study selected three species described by Beddin (1905), in addition to eight new species chosen for morphological characters. A new genus to Edessinae is proposed, uniting species with four black and punctured stripes longitudinal on dorsal surface of the head; humeral angles laterally projected, slightly flattened dorso-ventrally; metasternal process with branches of bifurcation narrow, long, thin in the apex; abdominal trichobothria placed laterally, not aligned with spiracles; gonocoxites 8 and laterotergites 8 always punctured in females; gonocoxites 8 large, subequal in length to laterotergites 9; pygophore with dorsal rim with semicircular excavation, paramere posteriorly projected, genital cup superior process dark, laminar, partially fused to the cup process. Edessa pallicornis, E. bugabensis, E. rorativentris and E. stillativentris are redescribed and transferred to the new genus. E. strigiceps is proposed as junior synonym of Gen. nov. pallicornis. This study gives the first description of males of Gen. nov. bugabensis and Gen. nov. rorativentris. Extended distribution of Gen. nov. bugabensis (Costa Rica), Gen. nov. rorativentris (Brazil), Gen. nov. stillativentris (Colombia). The lectotype of Gen. nov. bugabensis is here designated. Eight new species are described to the new genus: Gen. nov. sp. n. 203a, Gen. nov. sp. n. 203e, Gen. nov. sp. n. 205, Gen. nov. sp. n. 206, Gen. nov. sp. n. 207, Gen. nov. sp. n. 207c, Gen. nov. sp. n. 297 e Gen. nov. sp. n. 297b.
Acesso aberto (Open Access)
Proposição e descrição das espécies do grupo Edessa pallida, Dallas, 1851 (Heteroptera, Pentatomidae)
(Universidade Federal do Pará, 2008) CAXIAS, Fabricio da Costa; FERNANDES, José Antônio Marin; http://lattes.cnpq.br/6743352818723245
Pentatomidae is the fourth biggest family in Heteroptera and is composed by 470 genera and 4700 species. It is a world wide distributed family, but the subfamilies Cyrtocorinae, Discocephalinae and Edessinae are only found in the Neotropics. Among the Pentatomidae subfamilies Edessinae presents the major taxonomic and nomenclatural problems, which are concentrated in the genus Edessa. Edessinae is a megadiverse taxa (about 280 known species plus 350 unknown species) and composed by five genera: Edessa (259 described species), Olbia (5), Pantochlora (1), Peromatus (7) e Brachystethus (10). Recently Edessa has been studied by dividing the species in groups of morphologically similar species. The present work follows this line and proposes the Edessa pallida group. This group is based in external morphological characteristics such as the narrow body shape, punctures pattern, forewing reticulation abdominal spot pattern and also the characteristics of male genitalia. The included species are Edessa pallida Dallas, 1851, Edessa inscripta Walker, 1868 e Edessa polymita Distant, 1890, and five new species. The total sample examined in this work was 70 individuals belonging to 12 national and foreign collections. The species were described, illustrated and measured following the pattern adopted to the family. The described species had their distribution amplified. The sp. nov. 1 was described based on specimens from Surinam, French Guiana and Brazil; the sp. nov. 2 from Guiana and Brazil; the sp. nov. 3 from Brazil; the sp. nov. 4 from French Guiana; and the sp. nov. 5 from Guiana, Surinam, French Guiana and Brazil. An identification key and a geographic distribution map of the species are presented.
Acesso aberto (Open Access)
Revisão de Aceratodes Amyot & Serville, 1843 (Heteroptera, Pentatomidae, Edessinae)
(Universidade Federal do Pará, 2013) SIQUEIRA, Emely Laiara Silva de; FERNANDES, José Antônio Marin; http://lattes.cnpq.br/6743352818723245
Edessinae is one of the largest and more diverse subfamily of Pentatomidae. This is due to the large number of described (about 260) and undescribed species (about 300). Edessinae comprises today six genera: Edessa, Brachystethus, Peromatus, Olbia, Pantochlora and Doesburgedessa. Along the time, species not fitting in one of the genera remaining were automatically placed in Edessa, leading to confusion between the limits of the genus and subfamily. The large number of species resulted in concentration of the taxonomical and nomenclatural problems of the Edessinae in Edessa. Therefore, new taxonomical studies are needed to solve these problems involving Edessinae and Edessa: revising the genera of Edessinae, reviewing the status of the subgenera of Edessa, redescribing species and proposing nomenclatural changes. The main objective of this study was to review the status of Aceratodes as well as to propose some nomenclatural changes detected. Were analyzed 283 specimens belonging to 22 institutions from Brazil and other countries. For each species were provided descriptions, measures, photographs, drawings of the taxonomically significant structures (metasternal process and genitalia of both sexes), identification key and distributional maps. Aceratodes was raised to genus level based on morphological characteristics common to all species,such as: humeral angle not developed and rounded; female genital plates of female not produced posteriorly; hemelitron with embolium showing texture, color and punctures pattern different from the remaining corium; arms of the metasternal process laterally flat and not reaching anterior third of mesosternum. Aceratodes now is composed by 19 species. A new species from Atlantic Forest; two originally described in this genus: A. albomarginatus and A. marginalis; and 16 transferred from Edessa: E. abdominalis, E. aulacosterna, E. brasiliensis, E. carnosa, E. castaneolineta, E. cerradensis, E. chapadensis, E. fulvicornis, E. luteovenulata, E. meditabunda, E. mexicana, E. ovalis, E. piperitia, E. rufodorsata and E. rufomarginata and E. sternalis. The female of A. meditabundus is here described for the first time. The lectotype of Edessa mexicana is here designated. The species Edessa corallipes, E. cogitabunda and E. virididorsata were considered junior synonyms of A. carnosus, A. meditabundus and A. fulvicornis respectively.
Acesso aberto (Open Access)
Revisão e análise cladística do gênero Ascra say, 1832, com considerações sobre a filogenia de Edessinae (Heteroptera, Pentatomidae)
(Universidade Federal do Pará, 2014) SANTOS, Bianca Tamires Silva dos; FERNANDES, José Antônio Marin; http://lattes.cnpq.br/6743352818723245
Edessinae is one of the largest subfamilies in Pentatomidae, comprising about 300 described species plus 300 undescribed ones divided in only six genera: Edessa, Brachystethus, Peromatus, Olbia, Pantochlora and Doesburgedessa. Most of the species belong to Edessa that carries as well most of the taxonomical problems of the subfamily. This genus is used as a deposit for species not included in the other genera of Edessinae because of the lack of clear limits between the family and the genus Edessa. Solution for such confusion necessarily involves evaluation of the subgenera of Edessa and taxonomical changes in Edessinae. The main goal of this study is to evaluate the taxonomic status of Ascra and its phylogenetic position within Edessinae. We examined 411 specimens from several collections. Descriptions, measurements and photographs of the species, illustrations of metasternal process, male and female genitalia, keys and distributional maps are provided. Cladistic analysis was performed using 28 taxa and 33 morphological characters, eight multistate treated as non additive. The out-group included14 species belonging to all genera of Edessinae and subgenera of Edessa. Edessinae remains monophyletic but Edessa showed up paraphyletic. Ascra is monophyletic supported by two synapomorphies. This genus is now composed by A. bifida, A. cordifera, A. petersii, A. abdita, A. championi, A. privata, A. conspersa, A. morbosa and six new species. Two new groups of species were proposed in Ascra: bifida and privata. Males of A. abdita, A. morbosa and A. cordifera and females of A. championi and A. privata, unknown so far, were described. New nomenclatural arrangements were made. The lectotype of Edessa abdita was designated. Edessa cornuta, Edessa densata, Edessa picata and Edessa florida were considered junior synonyms of A. bifida.