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The genus Philoscaptus Brèthes, 1919, is revised and found to be monotypic, including P. bonariensis (Burmeister) a species found mainly in open areas along the Paraná River basin, in Brazil, Uruguay, Argentina and Paraguay (new country record). The new genus Saccharoscaptus is described for P. laminifer Dechambre, differentiated by mandibles with...
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Since the 1960s, there has been contradictory evidence regarding the association between periodontal pathology and the status of the pulp. The purpose of this study was to evaluate the histopathological changes of pulp tissue with severe periodontal disease, including vertical bone loss involving the major apical foramen, and compared t...
Citations
... In the Americas the tribe Pentodontini includes 32 genera and 151 species that occur from southern Canada to Argentina, with four genera and nine species in the West Indies (Endrödi, 1969(Endrödi, , 1985Morón and Grossi, 2015;Ratcliffe and Cave, 2015;López-García et al., 2016), but only the larvae of nine genera (Aphonus LeConte, Bothynus Hope, Coscinocephalus Prell, Euetheola Bates, Ligyrus Burmeister, Neoryctes Arrow, Orizabus Fairmaire, Oxygrilius Casey, Philoscaptus Bréthes) represented by 15 species are described (Ritcher, 1966;Morón, 1976;Lumaret, 1991;Morón and Ratcliffe, 1996;Morelli, 1997;Ramírez-Salinas et al., 2004, 2010Pereira et al., 2013), including scarce data about the biology of each species. ...
... This species was known only by the male holotype collected in "Para, Brazil" during XIX century. Recently this species became the type species of Saccharoscaptus (Morón and Grossi, 2015). The aims of the present work are to describe the third-instar larva of S. laminifer, and to provide an updated key to the larvae of American Pentodontini. ...
... Distribution. This species is found in southern Brazil and eastern Bolivia (Morón and Grossi, 2015). ...
Description of the third instar larva of Saccharoscaptus laminifer (Dechambre) (Coleoptera: Melolonthidae: Dynastinae). Larva of pentodontine S. laminifer is described by first time based on specimens collected under roots of sugarcane in Santa Cruz, Bolivia. Diagnostic structures are illustrated and the differences and similarities with other previously described larvae of South American genera of Pentodontini are outlined. A key to the larvae of some American genera of pentodontines is included.
... The Pentodontini are the largest tribe of Dynastinae (with over 550 species) and are cosmopolitan in geographic distribution. There are 31 genera in the New World (Ratcliffe 1981(Ratcliffe , 2003Ratcliffe and Paulsen 2008;Ratcliffe and Giraldo 2014;Morón and Grossi 2015), although one of these, Heteronychus Burmeister, was introduced into Brazil from Africa. About 110 species occur in the New World. ...
... The genus Tomarus Erichson contains 30 species (Dechambre and Lumaret 1985;Endrödi 1985;Escalona and Joly 2006;Ratcliffe and Cave 2015;López-García et al. 2014Morón and Grossi 2015). Species in the genus occur from Canada south to Argentina. ...
... Ratcliffe (2003) concluded that Ligyrus was a junior synonym of Tomarus because Burmeister's Handbuch der Entomologie (Volume 5) was dated February 1847 and was received in library of the Entomologischen Vereine zu Stettin in September 1847 while a paper following Erichson's in the Archiv für Naturgeschichte is dated January 1847, fi ve months before Burmeister's book. Most recently, Morón and Grossi (2015), ignoring the principal 2 • INSECTA MUNDI 0547, April 2017 ...
The eight species in the genus Tomarus Erichson (Coleoptera: Scarabaeidae) in Argentina, Chile, and Uruguay are reviewed. Tomarus roigjunenti new species and Tomarus spinipenis new species are described from Argentina. We include a key to species, representative habitus illustrations for all species, character illustrations, and distribution maps for each, as well as commentary about the natural history and distributions for each species. Diagnostic characters are discussed for each species, and species relationships are hypothesized based on the analysis of internal and external morphological characters. The male of T. bidentulus (Fairmaire) is described for fi rst time. The following taxonomic changes are made: Tomarus guianucai Dechambre and Lumaret, 1985 is a new junior synonym of Tomarus rubripes (Boheman, 1858), which was formerly and incorrectly cited as occurring in Argentina. Las ochos especies en el género Tomarus Erichson (Coleoptera: Scarabaeidae) son revisadas para Argentina, Chile y Uruguay. Tomarus roigjunenti especie nueva y Tomarus spinipenis especie nueva de Argentina son descritas como nuevas. Una clave para las especies, se presentan habitus para todas las especies, ilustración de los caracteres para cada una de las especies, como también comentarios acerca de la historia natural y mapas de distribución para cada especie. Caracteres diagnostico son proveído para cada especie, y las relaciones entre las especies es discutida basado en el análisis de caracteres de la morfología interna y externa. Se describió por primera vez el macho de T. bidentulus (Fairmaire). El siguiente cambio taxonómico es realizado: Tomarus guianucai Dechambre and Lumaret, 1985 es una nueva sinonimia junior de Tomarus rubripes (Boheman, 1858).
... The Pentodontini are the largest tribe of Dynastinae (with over 550 species) and are cosmopolitan in geographic distribution. There are 31 genera in the New World (Ratcliffe 1981(Ratcliffe , 2003Ratcliffe and Paulsen 2008;Ratcliffe and Giraldo 2014;Morón and Grossi 2015), although one of these, Heteronychus Burmeister, was introduced into Brazil from Africa. About 110 species occur in the New World. ...
... The genus Tomarus Erichson contains 30 species (Dechambre and Lumaret 1985;Endrödi 1985;Escalona and Joly 2006;Ratcliffe and Cave 2015;López-García et al. 2014Morón and Grossi 2015). Species in the genus occur from Canada south to Argentina. ...
... Ratcliffe (2003) concluded that Ligyrus was a junior synonym of Tomarus because Burmeister's Handbuch der Entomologie (Volume 5) was dated February 1847 and was received in library of the Entomologischen Vereine zu Stettin in September 1847 while a paper following Erichson's in the Archiv für Naturgeschichte is dated January 1847, fi ve months before Burmeister's book. Most recently, Morón and Grossi (2015), ignoring the principal 2 • INSECTA MUNDI 0547, April 2017 ...
The eight species in the genus Tomarus Erichson (Coleoptera: Scarabaeidae) in Argentina, Chile, and
Uruguay are reviewed. Tomarus roigjunenti new species and Tomarus spinipenis new species are described
from Argentina. We include a key to species, representative habitus illustrations for all species, character illustrations, and distribution maps for each, as well as commentary about the natural history and distributions for each species. Diagnostic characters are discussed for each species, and species relationships are hypothesized based on the analysis of internal and external morphological characters. The male of T. bidentulus (Fairmaire) is described for fi rst time. The following taxonomic changes are made: Tomarus guianucai Dechambre and Lumaret, 1985 is a new junior synonym of Tomarus rubripes (Boheman, 1858), which was formerly and incorrectly cited as occurring in Argentina.
... Sanabria-García et al. (2012), López-García et al. (2015), and discussed the taxonomic position and proposals for clarifying the systematics of these two related tribes. Ratcliffe (2007Ratcliffe ( , 2014 and Morón & Grossi (2015) provided identification keys for all New World genera. Updating data about the distribution of species is basic information for developing further studies on systematics, ecology, and biogeography. ...
... In the last two decades, Ratcliffe & Cave (2006 and Ratcliffe (1981Ratcliffe ( -2014 described the majority of new species from Central America, the West Indies, and South America. Morón & Grossi (2015) recently described the genus Saccharoscaptus. ...
An updated and annotated checklist of the Pentodontini (Coleoptera: Scarabaeidae: Dynastinae) of the New World is presented. The tribe is composed of 32 genera and 151 species, including the introduced species Heteronychus arator (Fabricius).
... However, despite the generalized use of Ligyrus, we agree with Ratcliffe (2003) that the priority principle should be applied. Recently, Morón & Grossi (2015) indicated that both Ligyrus and Tomarus should be distinct genera, based on the number of teeth on the outer margin of the mandibles. However, a single character should not be used to delimit genera, and further analysis is needed to support such taxonomic change. ...
Pentodontini is the most diverse tribe of Dynastinae (Coleoptera: Scarabaeidae), and most of the genera are restricted to a single biogeographic region. In this work, the taxonomic composition of the Pentodontini in Colombia was determined, and genera and species were diagnosed based on external morphology and male genitalia. Records of 1,580 specimens from 31 departments and 398 localities in Colombia were obtained from 24 species in the genera Bothynus Hope, Denhezia Dechambre, Euetheola Bates, Hylobothynus Ohaus, Oxyligyrus Arrow, Parapucaya Prell, Pucaya Ohaus, and Tomarus Erichson. Oxyligyrus cayennensis Endrödi, Tomarus cicatricosus (Prell), and T. pullus (Prell) are reported for the first time from Colombia. Pucaya punctata Endrödi is reduced to synonymy with Pucaya pulchra Arrow. Possible changes in the classification of Denhezia Dechambre are discussed. Dichotomous keys are provided for Colombian genera and species. Taxonomic descriptions and distribution maps are included for all species.
Over the last century, Paraguay has seen deforestation on a massive scale. At the same time, forest plantation efforts have been very limited. This paper examines why this is the case, and why until today investment in forest plantations in Paraguay is constrained despite visible wood shortages. Paraguay’s forest plantation sector is analyzed based on a typology of five plantation paradigms. This is followed by a critical diagnosis of the current plantation situation on the project level conducted through a SWOT-APH analysis and supported by an expert survey. Thirty-six specific factors for establishing plantations are identified and evaluated for both small-scale and large-scale plantations. The analysis reveals strengths, weaknesses, opportunities and threats for both plantation types, and shows that small-scale plantations possess more highly valued strengths, while there are more significant threats for large-scale plantations. Critical conclusions and policy implications for expanding the scale of forest plantations in Paraguay are provided, focusing on forestry, institutional, political and intersectoral issues.
