Neotropical Region
Mostrando 25-36 de 238 artigos, teses e dissertações.
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25. Two new species and new records of Neanuridae (Hexapoda: Collembola) from Brazilian central Amazonia
ABSTRACT Two new species of Neanuridae from the Amazon Rainforest of Northern Brazil are described and illustrated. The new species Friesea multiclavata sp. nov. (holotype male in MNRJ: Brazil, Amazonas State) belongs to the reducta-group and represents the first record of Frieseinae for Amazonas State in Brazil. Within Pseudachorutinae, the new species Furc
Zoologia (Curitiba). Publicado em: 18/04/2019
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26. Metacercariae of Strigeidae Parasitizing Amphibians of the Chaco Region in Argentina
Abstract: The goal of the present study was to analyze the metacercariae found in adult amphibians collected in the Argentinean Chaco region. A total of 194 frogs, Leptodactylus chaquensis, Leptodactylus latinasus, and Lepidobatrachus laevis was examined for digeneans. Three different larval trematodes of the genus Strigea (Digenea, Strigeidae) were found in
An. Acad. Bras. Ciênc.. Publicado em: 08/04/2019
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27. Crane flies (Diptera, Tipuloidea) from southern Neotropical salt marshes: survey with DNA barcoding
ABSTRACT Crane flies are the most diverse group within Diptera, but they are rarely studied in coastal ecosystems. Considering the scarcity of information on the biology and ecology of this group in the Neotropics, and the sparse literature available for taxonomic identification, we developed a descriptive checklist that incorporates morphology and DNA barco
Iheringia, Sér. Zool.. Publicado em: 28/03/2019
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28. Characterization of insect galls from a vegetation area in Altinópolis, São Paulo State, Brazil
Abstract Herein, we studied the occurrence of insect galls from natural vegetation around the Itambé Cave, Altinópolis, SP, Brazil. A sampling effort of 7.5 hours resulted in 41 gall morphotypes on 21 host plant species from 14 families. The richest families of host plants in morphotypes were Fabaceae (N = 11), Euphorbiaceae (N = 7), and Malpighiaceae (N =
Pap. Avulsos Zool.. Publicado em: 25/03/2019
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29. First record of Utetheisa pulchella (Linnaeus, 1758) (Lepidoptera: Erebidae: Arctiinae) in Brazilian Amazon: implications for conservation
The crimson speckled moth, Utetheisa pulchella (Linnaeus, 1758), is recorded in Brazilian Amazon for the first time. A moth (male) was collected with light trap in a multiple cropping area, in Mojuí dos Campos municipality, Pará State, Brazil. This record expands the area of occurrence and distribution of this rare species in the Neotropical Region. In add
An. Acad. Bras. Ciênc.. Publicado em: 21/03/2019
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30. Reproductive biology of a viviparous lizard (Mabuya dorsivittata) from the subtropical Wet Chaco of Argentina: geographical variations in response to local environmental pressures
Herein we studied the reproductive biology of a viviparous lizard (Mabuya dorsivittata) from the Wet Chaco region (northeastern Argentina) and compared the results with other populations from the Espinal (central Argentina) and the Atlantic Forest (southeastern Brazil), and with other Neotropical species of Mabuya to better understand the possible causes of
An. Acad. Bras. Ciênc.. Publicado em: 21/03/2019
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31. Flora do Ceará, Brasil: Mikania (Asteraceae: Eupatorieae)
Resumo Dentre os gêneros de Asteraceae destaca-se Mikania que compreende ca. 450 espécies de distribuição principalmente neotropical. Mikania é considerado monofilético e pode ser facilmente reconhecido pelos capítulos com quatro flores e quatro brácteas involucrais subentendidos por uma bráctea subinvolucral. Este estudo objetivou realizar o levant
Rodriguésia. Publicado em: 18/03/2019
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32. Additional information on reproductive behavior of the Red-breasted Toucan, Ramphastos dicolorus (Aves: Piciformes: Ramphastidae)
Resumo: Ramphastidae compreende uma Família de aves que nidificam em cavidades, são endêmicas da região Neotropical, mas possuem os aspectos relacionados à sua biologia reprodutiva ainda pouco conhecidos. No presente estudo, nós fornecemos uma revisão detalhada da literatura acerca de medidas de ninhos, características das cavidades, cuidado parental
Biota Neotrop.. Publicado em: 24/01/2019
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33. A new species of Asphondylia (Diptera: Cecidomyiidae) and a key to separate species of the genus associated with Asteraceae from Neotropical region
Abstract A new species, Asphondylia cipo sp. nov. (Diptera: Cecidomyiidae) causing stem and petiole galls on Lessingianthus warmingianus (Baker) H. Rob. (Asteraceae) is described and illustrated from Serra do Cipó, Minas Gerais State, Brazil. A key is provided to separate species of this genus associated with host plants in the Asteraceae family from the Ne
Pap. Avulsos Zool.. Publicado em: 29/11/2018
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34. A new genus and species of thamnocephalid fairy shrimp (Branchiopoda: Anostraca) from Argentina (Chubut Province)
ABSTRACT Aeginecta longicauda n. gen., n. sp. is described from material collected from a seasonally astatic aquatic habitat in Argentina. It is only known from the type locality and two male specimens; at this point the female remains unknown. Specific unique gonopod and genital segment features demonstrate that this taxon represents a unique genus within t
Nauplius. Publicado em: 01/11/2018
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35. Otomorphs (= otocephalans or ostarioclupeomorphs) revisited
ABSTRACT A morphological revision is presented here on the cohort Otomorpha, a clade currently interpreted as the most primitive among the large supercohort Clupeocephala. Otomorpha is a morphologically heterogeneous group represented by clupei forms , alepocephaliforms, and ostariophysans (gonorynchiforms, cypriniforms, characiforms, siluriforms, and gymnot
Neotrop. ichthyol.. Publicado em: 11/10/2018
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36. Pedogenesis in an Archaeological Dark Earth – Mulatto Earth Catena over Volcanic Rocks in Western Amazonia, Brazil
ABSTRACT Archaeological Dark Earth (ADE) pedogenesis and pre-Columbian history are fundamental for understanding the biodiversity and pedodiversity of the Neotropical rainforest in the Amazon region. This study aimed to evaluate the morphological, physical, chemical, and mineralogical properties as well as NaOH-extractable organic matter [OM(NaOH)] in ADE an
Rev. Bras. Ciênc. Solo. Publicado em: 06/08/2018