Results 181 to 190 of about 43,239 (295)

Two new troglobitic species of Scleropactidae (Crustacea: Isopoda: Oniscidea) from Pará, Brazil

open access: yesNauplius
The South America Scleropactidae includes 53 nominal species distributed in 14 genera. In Brazil, there are 16 species recorded in the north and southeast regions. Here, two new species of Scleropactidae are described based on material collected in caves
Ivanklin Soares Campos-Filho   +1 more
doaj  

Spatial epidemiology of Tabanus (Diptera: Tabanidae) vectors of Trypanosoma. [PDF]

open access: yesParasit Vectors
Marques R   +4 more
europepmc   +1 more source

Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve

open access: yesIbis, EarlyView.
Hummingbirds play an important role as pollinators and are one of the primary examples of animal–plant coevolution. However, factors such as land‐use change, urbanization, exotic species introductions and the disappearance of native plants can negatively affect the persistence of hummingbird populations.
Gonzalo A. Ramírez‐Cruz   +4 more
wiley   +1 more source

Solitary oil‐collecting bee in cities: Habitat suitability and lack of population structuring in Centris analis

open access: yesInsect Conservation and Diversity, EarlyView.
Lack of genetic population structure in urban populations of Centris analis. Low morphological differentiation across four phytogeographical regions in Brazil. Monogyny‐monandry mating system in C. analis. Abstract The decline of insect populations worldwide has raised concerns about the negative impact on ecosystem services, particularly pollination ...
Leandro Pereira Rezende   +4 more
wiley   +1 more source

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