Results 11 to 20 of about 183,859 (314)

Biogeographical patterns of the neotropical genus Battus Scopoli 1777 (Lepidoptera Papilionidae) [PDF]

open access: yes, 1993
A phylogenetic approach to the groups of species of the neotropical Troidines currently included in the genus Battus Scopoli 1777 has been conducted. In the light of historical and ecological processes of evolution in the neotropical biota, the cladogram
OLIVERIO, Marco, RACHELI T.
core   +1 more source

Public Health Implications of Invasive Plants: A Scientometric Study

open access: yesPlants, 2023
Movements of organisms through distinct places can change the dynamics of ecological interactions and make the habitat conducive to the spread of diseases.
Camila Denóbile   +2 more
doaj   +1 more source

A revision of the neotropical genus Anahi Martínez (Coleoptera: Scarabaeidae: Melolonthinae) with the description of two new species [PDF]

open access: yes, 2007
El género Anahi Martínez del sur del Neotrópico es comprensivamente revisado y ahora contiene tres especies: A. dentata Ocampo & Ruiz- Manzanos especie nueva, A. guaraniticus Martínez y A. oblivia Ocampo & Ruiz-Manzanos especie nueva. Las nuevas especies
Ocampo, Federico Carlos   +1 more
core   +2 more sources

Stone tools differences across three capuchin monkey populations: food’s physical properties, ecology, and culture

open access: yesScientific Reports, 2022
Robust capuchin monkeys (Sapajus) are known for processing mechanically challenging foods, having morphological adaptations to do so. However, several populations go beyond body limitations by using stone tools to expand their food range.
Tiago Falótico   +3 more
doaj   +1 more source

Viuria Grishin, 2019 (Lepidoptera: Hesperiidae): taxonomy, description of two new species, and remarks on the morphology of secondary sexual organs of males

open access: yesEuropean Journal of Taxonomy, 2023
The taxonomy of the Neotropical Carcharodini genus Viuria Grishin, 2019 (Lepidoptera: Hesperiidae: Pyrginae) is presented. Two new species are described: Viuria inanna sp. nov.
Ricardo Russo Siewert   +3 more
doaj   +1 more source

Exceptionally preserved ‘skin’ in an Early Cretaceous fish from Colombia [PDF]

open access: yesPeerJ, 2020
Studies of soft tissue, cells and original biomolecular constituents preserved in fossil vertebrates have increased greatly in recent years. Here we report preservation of ‘skin’ with chemical and molecular characterization from a three-dimensionally ...
Andrés Alfonso-Rojas   +1 more
doaj   +2 more sources

Comparative Chromosome Maps of Neotropical Rodents Necromys lasiurus and Thaptomys nigrita (Cricetidae) Established by ZOO-FISH [PDF]

open access: yes, 2011
This work presents chromosome homology maps between Mus musculus (MMU) and 2 South American rodent species from the Cricetidae group: Necromys lasiurus (NLA, 2n = 34) and Thaptomys nigrita (TNI, 2n = 52), established by ZOO-FISH using mouse chromosome ...
Diaz GB   +28 more
core   +1 more source

Distribution survey, ecological niche modelling and conservation assessment of the Peruvian Night Monkey: Aotus Miconax Thomas, 1927 (Mammalia: Primates: Aotidae) in north-eastern Peru, with notes on the distributions of Aotus spp. Gray, 1870

open access: yesJournal of Threatened Taxa, 2015
Aotus miconax is endemic to Peru and remains one of the least studied of all Neotropical primate taxa.  It has an altitudinally restricted distribution and is limited to areas of premontane and montane cloud forest in the countries north.
Sam Shanee   +3 more
doaj   +3 more sources

Local and regional ecological morphology of dung beetle assemblages across four biogeographic regions [PDF]

open access: yes, 2011
Aim Niche partitioning within species assemblages is thought to influence species packing and/or total niche space occupied. The evolution of dung beetles (Scarabaeinae) is likely to have been strongly influenced by inter-specific competition, leading to
Aguirre   +64 more
core   +1 more source

A distinctive new species of biting midge in the subgenus Euprojoannisia Brèthes from Mexico with new records of Neotropical species of Forcipomyia Meigen (Diptera: Ceratopogonidae) [PDF]

open access: yes, 2017
A new species of biting midge, Forcipomyia (Euprojoannisia) bibaana, is described and illustrated from an adult male collected in the state Oaxaca, Mexico. The first records of Forcipomyia (E.) mortuifolii Saunders, F. (Lasiohelea) cornuta Saunders and F.
Huerta, Herón   +1 more
core   +1 more source

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