Two new land planarian species (Platyhelminthes: Tricladida: Geoplanidae) from protected areas in southern Brazil

Zootaxa ◽  
2019 ◽  
Vol 4664 (4) ◽  
pp. 535-550 ◽  
Author(s):  
PITER KEHOMA BOLL ◽  
SILVANA VARGAS DO AMARAL ◽  
ANA MARIA LEAL-ZANCHET

We describe two new species of Neotropical land planarians found in protected areas of the Atlantic Forest in southern Brazil. Cratera obsidiana Amaral, Boll & Leal-Zanchet, sp. nov., found in the State Park of Turvo, is the first species of the genus Cratera described from an area of deciduous seasonal forest. It can be distinguished from its congeners by the uniformly black dorsal color and the prostatic vesicle with proximal portion laterally expanded and directed upward. Luteostriata subtilis Boll, Amaral & Leal-Zanchet, sp. nov., found in the National Park of Aparados da Serra, in an area covered by Araucaria moist forest, is distinguished from its congeners by only two conspicuous longitudinal stripes on the dorsal surface of the body and a large fold in the male atrium below the opening of the ejaculatory duct. We also provide an updated key for species of Cratera and the first key for species of Luteostriata. 

Zootaxa ◽  
2018 ◽  
Vol 4500 (4) ◽  
pp. 517 ◽  
Author(s):  
DOMINGO LAGO-BARCIA ◽  
FERNANDO CARBAYO

The Brazilian land planarians Cratera crioula, C. joia, Geoplana hina, and G. taxiarcha (Platyhelminthes, Tricladida, Geoplanidae) are revised taxonomically from type material and additional specimens. Geoplana hina sensu Carbayo et al. (2013) was found to be an undescribed species and therefore is described and named as Cratera picuia sp. n. A new species of the genus is also described and named as Cratera arucuia sp. n. G. hina and G. taxiarcha are transferred to Cratera. The most remarkable morphological feature of Cratera—a dilated terminal portion of the ejaculatory duct—is either absent, inconspicuous, or variable in C. hina, C. joia, C. picuia sp. n., and C. arucuia sp. n. Based on the monophyletic status of Cratera inferred elsewhere, an emendation of the genus is here proposed to encompass the morphological variation observed in the genus. 


Zootaxa ◽  
2015 ◽  
Vol 3931 (1) ◽  
pp. 27 ◽  
Author(s):  
FERNANDO CARBAYO ◽  
ANA LAURA ALMEIDA

Two new land planarian species, collected in the State of Rio de Janeiro, Brazil, are described. Their external aspect is similar to that of Imbira marcusi Carbayo et al., 2013 and Pseudogeoplana theresopolitana (Schirch, 1929), respectively. The analysis of the internal organs, however, revealed they belong to the genus Cratera. The male copulatory organs of one species is very different from any other geoplaninid, for the penis papilla holds a large, distal cavity receiving the ejaculatory duct and, furthermore, the papilla projects vertically downwards from the roof of the male atrium. Thus we consider it as a new species, Cratera cuarassu sp. nov. The second species differs from its congeners in that the dorsal insertion of the penis papilla is anterior to the ventral one, and in that the female atrium is narrowed in the anterior portion. The species was found in the type locality of Pseudogeoplana theresopolitana (Schirch, 1929) and compares well with it in the external features. However, since its internal organs are unknown and the type material of the species is seemingly lost, we describe it as Cratera anamariae Carbayo, sp. nov. 


PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3603 ◽  
Author(s):  
Luiz F. Ribeiro ◽  
David C. Blackburn ◽  
Edward L. Stanley ◽  
Marcio R. Pie ◽  
Marcos R. Bornschein

We describe two new species of miniaturized toadlet in the B. pernix group of Brachycephalus (Anura: Brachycephalidae) from the Atlantic Forest of the state of Paraná, southern Brazil. The first new species is distinguished from all congeners by the pale red coloration from the head to the pelvic region, with sides of the body and thighs dorsally yellowish green. It is known only from the type locality in a cloud forest at altitudes ranging between 1,144–1,228 m a.s.l. The second species, although more closely related to B. izecksohni, is morphologically similar to B. brunneus in its overall brown coloration, but distinct from that species in the color of the iris (black with conspicuous golden spots, instead of entirely black). It was found on three mountains, at altitudes between 1,095–1,320 m a.s.l., and in vegetation types including cloud forest, montane forest, and secondary forest. The two new species exhibit neither vertebral fusions nor osteoderms, but one has both a distinct neopalatine and well-developed odontoids on the maxillae. We discuss the conservation status of both species.


2022 ◽  
Vol 787 ◽  
pp. 146-181
Author(s):  
Sujeephon Athibai ◽  
Koraon Wongkamhaeng ◽  
Chaichat Boonyanusith

Metacyclops sakaeratensis sp. nov. and M. brancelji sp. nov. are described as being present in the mountainous areas of Northeastern and Southern Thailand, respectively. Two new species resemble M. woni in both sexes, but they are easily distinguished from their Cambodian relative by having: 1) transverse suture on the dorsal surface of the genital double-somite, 2) serrated hyaline frill on the posterior margin of third pedigerous somite, 3) different length / width ratio of caudal ramus, and 4) a row of spinule on caudal surface of intercoxal sclerite of the third swimming legs. The significant differences between M. sakaeratensis sp. nov. and M. brancelji sp. nov. are present in both sexes, including the body size, integumental ornamentation of the body surface, length / width ratio of caudal ramus, armature of the fifth swimming leg, and the male sixth swimming leg. In addition, an up-to-date key to the female of all fifteen species of Metacyclops recorded in Asia is provided.


2011 ◽  
Vol 152 (2) ◽  
pp. 177 ◽  
Author(s):  
Armando Bilardo ◽  
Saverio Rocchi

Noteridae, Dytiscidae (Coleoptera) from Gabon (eighth part). Monts de Cristal. This work concerns the Coleoptera Hydradephaga collected in eight localities of Monts de Cristal (Republic of Gabon) included locality of Tchimbélé into the National Park of Monts de Cristal in years 2006 - 2010; altogether 76 species are listed (3 Noteridae and 73 Dytiscidae) of which 51 species found in the Park. The authors describe two new species: <em>Copelatus angouei</em> (group <em>consors</em>, sensu Guignot, 1961, distinguishable from other species of group by small size, the robust conformation, the upper side clearly microreticulate covered by fine and thick punctuation which give it an opaque look and by characteristic penis), <em>Copelatus nguemai</em> (group <em>irinus</em>, subgroup <em>assimilis</em>, sensu Guignot, 1961, related to assimilis Régimbart, 1895, distinguishable by longer spine of metatibia clearly curved at third apical in both sexes and by characteristic penis) and one new subspecies: <em>Copelatus lasckonyi tchimbelensis</em> (group <em>irinus</em>, subgroup <em>irinus</em>, sensu Guignot, 1961, characterized by very small size, by narrowed profile of the body from shoulders in some specimens and by the upper side finely microreticulate, penis, very characteristic, is identical to typical form). The examination of two sintypes of <em>Copelatus variegatus</em> Régimbart, 1895 (group <em>erichsoni</em>, subgroup <em>atrosulcatus</em>, sensu Guignot, 1961) of Muséum Nationale d’Histoire Naturelle of Paris and of specimens of related species of the Museums of Tervuren and Bruxelles permitted the determination of the specimens of <em>C. variegatus c</em>ollected during research and the redescription of the species known till now by the two sintypes (here respectively designate lectotype and paralectotype); meanwhile a new species has been identified: <em>Copelatus mendax</em>, belonging to same group and subgroup of <em>C.</em> <em>variegatus</em>, misidentified with veritable <em>C. variegatus</em>. Some <em>taxa</em> of aquatic macroinvertebrates (Hexapoda, Malacostraca, <em>Clitellata</em> et Mollusca) in the zone collected and determined by a Researcher of IRAF (CENAREST, Gabon), Blaise Mboye Rollinat, who had participated in mission 2010, are furnished. Observations on some of the collected species and some ecological data of the biocenoses that populate the zone and some considerations on aquatic Coleoptera habitats are presented. The name of the species <em>Copelatus efoutensis</em> Bilardo &amp; Rocchi, 1995 is amended in efotensis<em>.</em> <em>Hydrovatus senegalensis</em> Régimbart, 1895 and <em>Uvarus barombicus</em> Bilardo, 1982 are signalled for the first time of Gabon.


Zootaxa ◽  
2017 ◽  
Vol 4237 (3) ◽  
pp. 454 ◽  
Author(s):  
PEDRO G. B. SOUZA-DIAS ◽  
NEUCIR SZINWELSKI ◽  
MARCOS FIANCO ◽  
ELLIOTT CENTENO DE OLIVEIRA ◽  
FRANCISCO DE A. G. DE MELLO ◽  
...  

In this study we describe two new species of cavicolous-straminicolous crickets for southern Brazil. Endecous chape n. sp. and E. naipi n. sp. are sympatric crickets that inhabit the Atlantic Semideciduous Forest of the Iguaçu National Park and adjacent areas. The descriptions were based on morphological characters, mainly from male genitalia and tegmina of adult males. Furthermore, we describe the chromosomes and the calling song of one of the new species, E. chape n. sp., presenting a discussion about the morphology of the phallic complex of Endecous and a distribution map for the species of the genus. The type-material is deposited in the Museu de Zoologia da Universidade de São Paulo (MZSP), and in the Coleção de Insetos do Departamento de Zoologia (Zoology Department Insect Collection), Universidade Estadual Paulista—UNESP—Botucatu campus. 


ZooKeys ◽  
2019 ◽  
Vol 813 ◽  
pp. 1-19
Author(s):  
Giuly Gouvêa Iturralde ◽  
Ana Leal-Zanchet

The genus Choeradoplana Graff, 1896 encompasses 16 species, most of them found in Brazil. Herein two new species of this genus are described from remnants of Araucaria moist forests, located in the states of Paraná and Santa Catarina, south Brazil. Both species resemble the type-species of the genus, C.iheringi, showing brownish dorsal surface covered by dark-brown flecks. However, regarding their anatomy, the new species differ from C.iheringi and other congeners by a long and horizontal disposed permanent papilla. In such aspects, both species resemble C.benyai, but differ from this species, as well as from each other, in details of the prostatic vesicle, ejaculatory duct, and penis papilla.


Zootaxa ◽  
2021 ◽  
Vol 5061 (2) ◽  
pp. 340-352
Author(s):  
MARCOS FIANCO ◽  
OSCAR J. CADENA-CASTAÑEDA ◽  
NEUCIR SZINWELSKI ◽  
LUIZ R. R. FARIA

Three new species of Anaulacomera are described, Anaulacomera (Anaulacomera) mariellae sp. n. and Anaulacomera (Anallomes) arlindoi sp. n., belonging respectively to the Inermis and Lanceolata species group, and Anaulacomera angelinae sp. n., placed as incertae sedis. The individuals were collected at the Iguaçu National Park and adjacent small fragments of Atlantic Forest, in southwestern Paraná state, Brazil. The description was based on external morphology of males. We also present distribution maps for the species of the Inermis and the Lanceolata species groups.  


Zootaxa ◽  
2021 ◽  
Vol 4949 (3) ◽  
pp. 499-520
Author(s):  
LUIS ESTEBAN KRAUSE LANÉS ◽  
MATHEUS VIEIRA VOLCAN ◽  
LEONARDO MALTCHIK

Two new species of Austrolebias are described based on specimens collected from temporary pools located in natural grassland landscape within the Araucaria Forest domain at exceptionally high altitudes (~1000 meters a.s.l.). Austrolebias botocudo sp. n. and Austrolebias nubium sp. n. occur, respectively, in drainages of upper rio Apuaê-Inhandava (upper rio Uruguay basin) and upper rio Taquari-Antas (upper rio Jacuí, Laguna dos Patos basin), in the Meridional Plateau of southern Brazil. Despite an intensive survey conducted in the area, only two populations of each species were recorded. Both new species occurs at altitudes that are among the higher recorded for species of the genus, and both are assigned to the subgenus Acrolebias. The new species described herein are easily distinguished for its congeners by the colour pattern of males, by presence of melanophores irregularly distributed in different parts of the body, contact organs cover the body and anal fins, position of fins related with vertebrae, by preopercular and mandibular series of neuromasts united, by a series of morphometric features and by larger maximum standard length. Austrolebias botocudo and A. nubium are distinguished from each other by colour pattern of males, length of contact organs in the flank and number of contact organs in scales of lateral line, dorsal profile of head, number of neuromasts in the preopercular + mandibular series, body depth in females, and by basihyal cartilage length. Additionally, we discuss the conservation status of the new species, and provided an identification key for the species of the subgenus Acrolebias. 


Zootaxa ◽  
2021 ◽  
Vol 5032 (2) ◽  
pp. 275-282
Author(s):  
DANILO PACHECO CORDEIRO ◽  
KARINA KETHELEN SILVA DE AQUINO ◽  
VERACILDA RIBEIRO ALVES

The Jaú National Park, located in the Amazon, is the largest National Park of Brazil and still its insect fauna is barely known. Herein we describe two new species of Psychodinae, Alepia iy sp. nov. and Parasetomima timmirima sp. nov., and report 19 other species of Psychodidae, subfamilies Phlebotominae, Psychodinae and Trichomyiinae collected from this Conservation Unit. Micrommatos Quate & Brown, represented by M. stephaniae Quate & Brown, and Platyplastinx culmosus Quate & Brown are recorded for the first time for Brazil. Among the collected phlebotomine sand fly species, three species have previously been implicated in transmission of Leishmania: Nyssomyia anduzei (Rozeboom), Psychodopygus ayrozai (Barretto & Coutinho) and Trichophoromyia ubiquitalis (Mangabeira).  


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