Zobrazeno 1 - 10
of 51
pro vyhledávání: '"RICARDO KOROIVA"'
Autor:
Antonio Carvalho, Mauricio M. Rocha, Ricardo Koroiva, Sara R. P. Monteiro, Alexandre Vasconcellos
Publikováno v:
Sociobiology, Vol 71, Iss 1 (2024)
In this paper, we described a new species of Grigiotermes, G. piassava sp. n., from the Brazilian Atlantic Forest. The imago and worker caste are described, including the gut morphology. The inclusion of the new species in Grigiotermes was based on m
Externí odkaz:
https://doaj.org/article/51ebcea6b05a400cbcb7811a1970cdb7
Publikováno v:
Diversity, Vol 16, Iss 2, p 117 (2024)
The Odonata is an order of insects commonly known as dragonflies and damselflies, with a worldwide distribution except in Antarctica [...]
Externí odkaz:
https://doaj.org/article/82f84f080d8f4b5e94cbc509eb0d77fe
Autor:
RICARDO KOROIVA, DIEGO JOSÉ SANTANA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 94, Iss 4 (2022)
Abstract We evaluated the extent of intraspecific and interspecific genetic distances and the effectiveness of predefined threshold values using the main genes for estimates of biodiversity and specimens’ identification in anurans. Partial sequence
Externí odkaz:
https://doaj.org/article/318c012996284b578e0a77cddc321d98
Autor:
Leandro Juen, Ricardo Koroiva, Fernando Geraldo de Carvalho, Cristian Camilo Mendoza-Penagos, Joás da Silva Brito, Lenize Batista Calvão, Victor Rennan Santos Ferreira, Ândrea Ribeiro-dos-Santos, Caio S. Silva, Sávio Guerreiro, Giovanna C. Cavalcante, Leandro Magalhães, Jorge E. S. de Souza, Daniel H. F. Gomes, Luciano Fogaça de Assis Montag, Thaisa S. Michelan, Raphael Ligeiro
Publikováno v:
Diversity, Vol 15, Iss 8, p 908 (2023)
Chalcopteryx rutilans Rambur, 1842 (Polythoridae, Odonata) is a species widely distributed in central Amazonia. Due to its sensitivity to environmental changes, it is a bioindicator species used to evaluate the environmental conditions of streams in
Externí odkaz:
https://doaj.org/article/f7efbafb3d32441991e114f0b7f856a6
Autor:
Luciano Fogaça de Assis Montag, Ricardo Koroiva, Ândrea Ribeiro-dos-Santos, Leandro Magalhães, Giovanna C. Cavalcante, Caio S. Silva, Sávio Guerreiro, Daniel H. F. Gomes, Jorge E. S. de Souza, Sandro J. de Souza, Lidia Brasil Seabra, Maria Dayanne Lima de Lucena, Erival Gonçalves Prata, Izabella Cristina da Silva Penha, Thaisa Sala Michelan, Raphael Ligeiro, Leandro Juen
Publikováno v:
Fishes, Vol 8, Iss 5, p 233 (2023)
Hyphessobrycon heterorhabdus (Ulrey, 1894), popularly known as ‘Flag Tetra’ in English speaking countries, belongs to the genus Hyphessobrycon of the family Characidae, and is widely present in the eastern Amazon basin. Here, using Illumina seque
Externí odkaz:
https://doaj.org/article/c411eebd67c84e50abef895618fb6445
Publikováno v:
PeerJ, Vol 8, p e10189 (2020)
The use of COI barcodes for specimen identification and species discovery has been a useful molecular approach for the study of Anura. Here, we establish a comprehensive amphibian barcode reference database in a central area of South America, in part
Externí odkaz:
https://doaj.org/article/dee22222d0574cd48b30dd033e894f7b
Publikováno v:
PeerJ, Vol 8, p e9887 (2020)
The combination of different approaches has successfully delimited new species within many Neotropical species complexes traditionally classified as a single nominal organism. Recent studies have shown that the Amazonian endemic genus Amazophrynella,
Externí odkaz:
https://doaj.org/article/d9457bfa158c4cb09d01972d2f02760c
Publikováno v:
Diversity, Vol 14, Iss 3, p 203 (2022)
Odonates (Insecta: Odonata) are important insects in the food chains of freshwater environments around the world, being used as a model species for areas of behavior and analysis of environmental quality. In Brazil, especially in the Northeastern reg
Externí odkaz:
https://doaj.org/article/96209707f544445bba34b5fe7e95bedd
Publikováno v:
PLoS ONE, Vol 14, Iss 10, p e0223241 (2019)
The genus Franciscobasis Machado & Bedê, 2016 is endemic to the Serra da Canastra National Park in Minas Gerais state, Brazil. Two species of Franciscobasis were described simultaneously with the genus description: F. franciscoi and F. sonia, the la
Externí odkaz:
https://doaj.org/article/15139788400b4b19be4f41f3a3b33521
Publikováno v:
EntomoBrasilis, Vol 9, Iss 3, Pp 212-215 (2016)
Commonly called “helicopter damselflies”, Mecistogaster species (Coenagrionidae) are recognized by their large body size in comparison with other Odonata species, ability to flap both anterior and posterior wings in opposite directions, and prefe
Externí odkaz:
https://doaj.org/article/9078d9aa92444cbcb8c46977c3f34e9c