Zoologia最新文献_第8页

Leukocyte profile of the helmeted manakin, Antilophia galeata (Passeriformes: Pipridae) in a Cerrado forest fragment 塞拉多森林碎片中盔侏儒兽的白细胞谱

IF 0.9 4区生物学

Zoologia Pub Date : 2020-12-23 DOI: 10.3897/zoologia.37.e46441

P. Ribeiro, C. Q. Baesse, M. Cury, C. de Melo

{"title":"Leukocyte profile of the helmeted manakin, Antilophia galeata (Passeriformes: Pipridae) in a Cerrado forest fragment","authors":"P. Ribeiro, C. Q. Baesse, M. Cury, C. de Melo","doi":"10.3897/zoologia.37.e46441","DOIUrl":"https://doi.org/10.3897/zoologia.37.e46441","url":null,"abstract":"Changes in the amounts and proportions of leukocytes, known as leucocyte profiles, have been documented for several bird species and have been used to measure stress levels in these animals. The present work ascertained the biological and ecological attributes that influence the leukocyte profile of Antilophia galeata (Lichtenstein, 1823), the helmeted manakin. This species has been deemed useful in ecological studies because it responds to environmental changes. Blood samples drawn from 89 individuals of A. galeata captured in a Cerrado forest fragment were subjected to analysis under optical microscopy to identify and quantify leukocytes and micronuclei. The number of lymphocytes was greater for males, non-reproductive individuals and individuals infected with ticks. None of the leukocyte components differed in relation to age, molting or body condition index. The amount of micronuclei was correlated with values for total leukocytes, H/L ratio, heterophils, basophils and monocytes. The results suggest that reproduction may be an immunosuppressive factor for the species, producing sexual differences in lymphocyte availability. In addition, biomarkers of genotoxic damage (micronuclei) were related to the amount of leukocytes, indicating that individuals may be sensitive to environmental disturbances. Leukocyte profiles can be considered a useful tool for addressing ecological questions that are relevant to the conservation of species in degraded environments.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82147913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia 东澳大利亚两种地方性底栖副渔获物:板形拟淋鼻虫和澳洲牙鼠的年龄、生长和生殖生物学

IF 0.9 4区生物学

Zoologia Pub Date : 2020-12-17 DOI: 10.3897/zoologia.37.e49318

M. Reis, W. Figueira

{"title":"Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia","authors":"M. Reis, W. Figueira","doi":"10.3897/zoologia.37.e49318","DOIUrl":"https://doi.org/10.3897/zoologia.37.e49318","url":null,"abstract":"Bottom-dwelling elasmobranchs, such as guitarfishes, skates and stingrays are highly susceptible species to bycatch due to the overlap between their distribution and area of fishing operations. Catch data for this group is also often merged in generic categories preventing species-specific assessments. Along the east coast of Australia, the Eastern Fiddler Ray, Trygonorrhina fasciata (Muller & Henle, 1841), and the Sydney Skate, Dentiraja australis (Macleay, 1884), are common components of bycatch yet there is little information about their age, growth and reproductive timing, making impact assessment difficult. In this study the age and growth (from vertebral bands) as well as reproductive parameters of these two species are estimated and reported based on 171 specimens of Eastern Fiddler Rays (100 females and 71 males) and 81 Sydney Skates (47 females and 34 males). Based on von Bertalanffy growth curve fits, Eastern Fiddler Rays grew to larger sizes than Sydney Skate but did so more slowly (ray: L∞ = 109.61, t0 = 0.26 and K = 0.20; skate: L∞ = 51.95, t0 = -0.99 and K = 0.34 [both sexes combined]). Both species had higher liver weight ratios (HSI) during austral summer. Gonadal weight ratios (GSI) were higher in the austral winter for Eastern Fiddler and in the austral spring for Sydney Skates.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74106640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Species composition and community structure of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) compared among savanna and forest formations in the southwestern Brazilian Cerrado 巴西塞拉多西南部稀树草原与森林地层中屎壳郎(鞘翅目:金龟甲科:金龟甲科)的种类组成与群落结构比较

IF 0.9 4区生物学

Zoologia Pub Date : 2020-12-17 DOI: 10.3897/zoologia.37.e58960

J. L. D. Silva, R. Silva, I. Fernandes, W. O. Sousa, F. Vaz-de-Mello

{"title":"Species composition and community structure of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) compared among savanna and forest formations in the southwestern Brazilian Cerrado","authors":"J. L. D. Silva, R. Silva, I. Fernandes, W. O. Sousa, F. Vaz-de-Mello","doi":"10.3897/zoologia.37.e58960","DOIUrl":"https://doi.org/10.3897/zoologia.37.e58960","url":null,"abstract":"Although dung beetles are important members of ecological communities and indicators of ecosystem quality, species diversity, and how it varies over space and habitat types, remains poorly understood in the Brazilian Cerrado. We compared dung beetle communities among plant formations in the Serra Azul State Park (SASP) in the state of Mato Grosso, Brazil. Sampling (by baited pitfall and flight-interception traps) was carried out in 2012 in the Park in four habitat types: two different savanna formations (typical and open) and two forest formations (seasonally deciduous and gallery). A total of 5,400 individuals collected comprised 57 species in 22 genera. Typical savanna had the greatest species richness and abundance, followed by open savanna and deciduous forest, while the gallery forest had the fewest species but high abundance. Tunnelers (one of three main nesting behavior guilds) showed the greatest richness and abundance (except in the gallery forest, where one dweller species was extremely abundant) in all plant formations. We found that species richness and abundance of the dung beetle community are influenced by differences among plant formations. Habitat heterogeneity in the different plant formations along with anthropic influences (fire, habitat fragmentation) are cited as important factors that explain guild and species richness and distribution patterns. These results emphasize the importance of protected areas, such as SASP, for the maintenance and conservation of species diversity in the Brazilian Cerrado.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77994845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? 巴西海岸出现了令人费解的倒置水母Cassiopea(刺胞纲:棘球纲):是几次入侵事件的结果?

IF 0.9 4区生物学

Zoologia Pub Date : 2020-12-09 DOI: 10.3897/zoologia.37.e50834

S. Stampar, Edgar Gamero-Mora, M. Maronna, Juliano M. Fritscher, B. D. S. Oliveira, C. L. Sampaio, A. Morandini

引用次数: 12

Selective consumption of rodents by the Variable hawk Geranoaetus polyosoma (Accipitriformes: Accipitridae) in the Atacama Desert, northern Chile 智利北部阿塔卡马沙漠中变鹰对啮齿动物的选择性消耗(棘目:棘目科)

IF 0.9 4区生物学

Zoologia Pub Date : 2020-12-07 DOI: 10.3897/zoologia.37.e55615

A. Muñoz-Pedreros, H. Norambuena, C. Gil, J. Rau

引用次数: 0

The chiggerflea Hectopsylla pulex (Siphonaptera: Tungidae): infestation on Molossus molossus (Chiroptera: Molossidae) in the Central Andes of Colombia 哥伦比亚安第斯山脉中部地区毛蚤(管翅目:绵蚊科)对绵蚊的侵害

IF 0.9 4区生物学

Zoologia Pub Date : 2020-11-03 DOI: 10.3897/zoologia.37.e53092

H. Ramírez-Chaves, A. F. Tamayo-Zuluaga, Jose J. Henao-Osorio, Alexandra Cardona-Giraldo, Paula A. Ossa-López, F. A. Rivera-Páez

{"title":"The chiggerflea Hectopsylla pulex (Siphonaptera: Tungidae): infestation on Molossus molossus (Chiroptera: Molossidae) in the Central Andes of Colombia","authors":"H. Ramírez-Chaves, A. F. Tamayo-Zuluaga, Jose J. Henao-Osorio, Alexandra Cardona-Giraldo, Paula A. Ossa-López, F. A. Rivera-Páez","doi":"10.3897/zoologia.37.e53092","DOIUrl":"https://doi.org/10.3897/zoologia.37.e53092","url":null,"abstract":"Some species of mastiff bats, Molossus Geoffroy, 1805, inhabit human shelters such as houses and barns. Among them, the Pallas’s mastiff bat, Molossus molossus Pallas, 1766, is the most common species in South America. There are a few studies on this bat in Colombia, mostly on colony size, diet, ectoparasite records, and activity patterns in the Andean and Caribbean regions. Here, we provide information on the prevalence of chiggerfleas, Hectopsylla pulex (Haller, 1880), on M. molossus, along with molecular data on the flea, and its distribution in Colombia. In addition, we describe the size and sex ratio of the infested bat colony, located in the central Andes of Colombia. The bat colony was represented by ca. 45 individuals, of which 33 were captured. The colony had more females (25 individuals) than males (8 individuals). A total of four Pallas’s mastiff bats had chiggerfleas, H. pulex, most of which were attached to the bat’s faces and ears. The composition of the colony (sex ratio) and the observed activity times match those reported for other colonies of the species in Colombia. The cytochrome oxidase subunit 1, and the 12S rRNA mitochondrial gene obtained from H. pulex represent the second and first available sequences for the species, respectively. The level of infestation of individuals in the colony was low, similar to that observed in other South American countries, such as Brazil. Finally, the new locality is the seventh confirmed and the highest elevational record of H. pulex in Colombia.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87437187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Reproductive responses of the male Brandt’s vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid 雄性布氏田鼠对单宁酸的生殖反应

IF 0.9 4区生物学

Zoologia Pub Date : 2020-11-03 DOI: 10.3897/zoologia.37.e52232

Xin Dai, Ling-Yu Zhou, Ting-ting Xu, Qiuyue Wang, Bin Luo, Yan-Yu Li, Chen Gu, Shiping Li, Aiqin Wang, W. Wei, Shengmei Yang

{"title":"Reproductive responses of the male Brandt’s vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid","authors":"Xin Dai, Ling-Yu Zhou, Ting-ting Xu, Qiuyue Wang, Bin Luo, Yan-Yu Li, Chen Gu, Shiping Li, Aiqin Wang, W. Wei, Shengmei Yang","doi":"10.3897/zoologia.37.e52232","DOIUrl":"https://doi.org/10.3897/zoologia.37.e52232","url":null,"abstract":"Tannins are polyphenols that are present in various plants, and potentially contain antioxidant properties that promote reproduction in animals. This study investigated how tannic acid (TA) affects the reproductive parameters of male Brandt’s voles, Lasiopodomys brandtii (Radde, 1861). Specifically, the anti-oxidative level of serum, autophagy in the testis, and reproductive physiology were assessed in males treated with TA from the pubertal stage. Compared to the control, low dose TA enhanced relative testis and epididymis weight and sperm concentration in the epididymis, and significantly increased the level of serum superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px). mRNA levels of autophagy related genes LC3 and Beclin1 decreased significantly with low dose TA compared to the control. However, compared to the control, high dose TA sharply reduced the levels of serum SOD, GSH-Px, CAT, serum testosterone (T), and mRNA level in steroidogenic acute regulatory protein (StAR) in the testis. Both sperm abnormality and mortality increased with high dose TA compared to the control and low dose TA. Collectively, this study demonstrated that TA treatment during puberty had a dose-dependent effect on the reproductive responses of male Brandt’s voles. TA might mediate autophagy in the testis, through both indirect and direct processes. TA mainly affected the reproductive function of male Brandt’s voles by regulating anti-oxidative levels. This study advances our understanding of the mechanisms by which tannins influence reproduction in herbivores.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77644622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Structure of the leaf litter frog community in an area of Atlantic Forest in southeastern Brazil 巴西东南部大西洋森林凋落叶蛙群落结构

IF 0.9 4区生物学

Zoologia Pub Date : 2020-10-30 DOI: 10.3897/zoologia.37.e38877

Natália Vagmaker, J. Pereira‐Ribeiro, Átilla Colombo Ferreguetti, Alex Boazi, Rayanne Gama-Matos, H. Bergallo, C. F. Duarte Rocha

{"title":"Structure of the leaf litter frog community in an area of Atlantic Forest in southeastern Brazil","authors":"Natália Vagmaker, J. Pereira‐Ribeiro, Átilla Colombo Ferreguetti, Alex Boazi, Rayanne Gama-Matos, H. Bergallo, C. F. Duarte Rocha","doi":"10.3897/zoologia.37.e38877","DOIUrl":"https://doi.org/10.3897/zoologia.37.e38877","url":null,"abstract":"Different spatial and temporal factors can influence the species richness and abundance of leaf anurans that are fundamental for the ecosystem functioning, as they act as predators and integrate the trophic chain as prey of other animals. There are relatively few studies that aimed to understand the spatio-temporal variation and the influence of environmental factors on leaf litter communities. We studied parameters of the anuran community living in the forest leaf litter in the Duas Bocas Biological Reserve (DBBR), Espírito Santo, Brazil. We sought to understand the extent to which richness, abundance, biomass and density varied between two locations with different stages of preservation (primary and secondary forest). In addition, we tested the effect of temperature and local humidity on abundance. We conducted the samplings monthly from October 2017 to September 2018, establishing 98 4 x 4 m plots (16 m2 each) demarcated on the DBBR forest leaf litter. We measured temperature (°C) and relative air humidity (%), and each plot was carefully surveyed by four observers. We tested for differences in anuran density between the two sampled locations and estimated the effects of environmental variables in the community. We recorded 102 individuals of anurans from 11 species belonging to eight families. The DBBR anuran community parameters significantly differed between the two studied locations, with the highest values of anuran richness and abundance occurring in the area covered by primary forest, probably due to differences in the preservation of each area. However, temperature and humidity did not affect the abundance of anurans in the sampled areas. Our results provide the first information about spatial variation and influence of environmental factors, directed to the community of leaf litter anurans in DBBR, and represents the second study on this group of anurans in the state of Espírito Santo.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91144815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

New combination and redescription of Bumba humile, description of four new species and new records from Brazil (Araneae: Theraphosidae: Theraphosinae) 巴西绵猴属新组合及重描述、四新种描述及新记录(蜘蛛目:绵猴科:绵猴科)

IF 0.9 4区生物学

Zoologia Pub Date : 2020-10-06 DOI: 10.3897/zoologia.37.e46744

S. Lucas, Victor Passanha, A. Brescovit

{"title":"New combination and redescription of Bumba humile, description of four new species and new records from Brazil (Araneae: Theraphosidae: Theraphosinae)","authors":"S. Lucas, Victor Passanha, A. Brescovit","doi":"10.3897/zoologia.37.e46744","DOIUrl":"https://doi.org/10.3897/zoologia.37.e46744","url":null,"abstract":"The taxonomic history of Bumba Pérez-Miles, Bonaldo & Miglio, 2014 is mainly based on the inclusion of the new species. Bumba have been characterized by the type IV urticating setae present, retrolateral process on male palpal tibia, palpal bulb resting in a ventral distal excavation of palpal tibia, metatarsus I passes between the two branches of tibial apophysis when flexed, presence of spiniform setae on prolateral and retrolateral sides of maxillae and coxae I-IV. In this paper we include the row of teeth (denticulate row) in the median region of the inferior prolateral keel in all male palps. This structure range from a residual tooth to a ridge of up to five teeth. Both, the denticulate row and the retrolateral process on male palpal tibia in males could be considered as putative synapomorphies for Bumba. Here, Homoeomma humile Vellard, 1924 is transferred to Bumba and redescribed, while the female is described for the first time. Bumba cabocla (Pérez-Miles, 2000) is synonymyzed with B. horrida (Schmidt, 1994). Bumba pulcherrimaklaasi (Schmidt, 1991) is transferred to Cyclosternum Ausserer, 1871. Four new species are described and illustrated: Bumba tapajos sp. nov. from state of Pará, Bumba cuiaba sp. nov. and Bumba rondonia sp. nov., both from states of Rondônia and Mato Grosso, respectively, and Bumba mineiros sp. nov. from Paraguay and the Brazilian states of Goiás, Mato Grosso and Mato Grosso do Sul. Diagnosis of B. horrida and B. lennoni are extended and figures of this species are presented.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81090432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The bat fauna (Mammalia: Chiroptera) of Carlos Botelho State Park, Atlantic Forest of Southeastern Brazil, including new distribution records for the state of São Paulo 巴西东南部大西洋森林Carlos Botelho州立公园的蝙蝠动物群(哺乳目:翼目目)，包括<s:1>圣保罗州的新分布记录

IF 0.9 4区生物学

Zoologia Pub Date : 2020-09-17 DOI: 10.3897/ZOOLOGIA.37.E36514

Vinícius Cardoso Cláudio, G. Barbosa, F. Rassy, V. Rocha, R. Moratelli

{"title":"The bat fauna (Mammalia: Chiroptera) of Carlos Botelho State Park, Atlantic Forest of Southeastern Brazil, including new distribution records for the state of São Paulo","authors":"Vinícius Cardoso Cláudio, G. Barbosa, F. Rassy, V. Rocha, R. Moratelli","doi":"10.3897/ZOOLOGIA.37.E36514","DOIUrl":"https://doi.org/10.3897/ZOOLOGIA.37.E36514","url":null,"abstract":"Carlos Botelho State Park (PECB) is a large remnant of Atlantic Forest in Southeastern Brazil, with more than 37,000 ha. As its bat fauna is still unknown, we performed the first bat survey on PECB, to provide data on the distribution, natural history and taxonomy of the species. Fieldwork was conducted monthly, from October 2016 to September 2017. Captures were made using ground-level mist-nets (39600 m2.h), canopy mist-nets (2017.5 m2.h) and searches for roosts (42 hours).We captured 412 bats from 34 species of Phyllostomidae, Molossidae and Vespertilionidae. A total of 11 species were captured only in ground-level mist-nets, five in canopy mist-nets, and seven in roosts. Dermanura cinerea Gervais, 1856, Eptesicus taddeii Miranda, Bernardi & Passos, 2006, Glyphonycteris sylvestris Thomas, 1896 and Lampronycteris brachyotis (Dobson, 1879) are rare on surveys conducted in the Atlantic Forest of São Paulo and were captured in canopy mist-nets. Micronycteris schmidtorum Sanborn, 1935 and Molossus currentium Thomas, 1901 constitute the first record for the state of São Paulo, and were captured in canopy mist-nets and roosts, respectively. The species richness registered for PECB surpasses other surveys conducted in Atlantic Forest localities that use only ground-level mist-nets. Our results reinforce the importance of employing mixed capture methods, such as elevated mist-nets and searches for roosts.","PeriodicalId":49335,"journal":{"name":"Zoologia","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2020-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90733777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6