Results 111 to 120 of about 15,488 (163)

Studies on Pygmy Grasshoppers: Bogotatettix Cadena‐Castañeda, García‐García & Tavares, gen. nov. (Orthoptera: Tetrigidae), a New Genus From the High Andean Forests and Páramos

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT In this contribution to the study of pygmy grasshoppers, a new genus is described, which inhabits the high Andean forests and páramos surrounding the Bogotá Savannah, Colombia. Bogotattetix Cadena‐Castañeda, García‐García & Tavares, gen. nov. includes a new species, Bogotattetix chingazaensis Cadena‐Castañeda, García‐García & Tavares, sp. nov. 
Oscar J. Cadena‐Castañeda, Alexander García‐García, Ronald Fernando Quintana‐Arias, Juan Pablo Prias‐Sarmiento, Gustavo Costa Tavares   +4 more
wiley   +1 more source

Prevalence of Human T-Lymphotropic Viruses 1 and 2 in Individuals Infected with Hepatitis C Virus in Belém do Pará, Brazil. [PDF]

Trop Med Infect Dis
Sousa RS, Corrêa LC, Matos FSDS, Santos SMD, Padilha MDM, Angelim CC, Andrade ÁAF, Sacramento ARV, Lima ACR, Almeida JLN, Araújo MSM, Barbosa VSMS, Monteiro JC, Costa GLC, Rangel da Silva ANM, Conde SRSDS, Machado LFA, Vallinoto IMVC, Vallinoto ACR, Feitosa RNM.   +19 more
europepmc   +1 more source

She Doesn't Whisper: Female‐Prominent Stridulation Shaped by Morphology in a Buthid Scorpion and Insights on Its Function

Ethology, Volume 132, Issue 8, Page 533-543, August 2026.
Sexual dimorphism and stress‐induced stridulatory responses in Jaguajir rochae (Borelli, 1910). Females exhibited greater absolute pectinal size and higher sound pressure levels, whereas males showed higher pectinal allometric ratios relative to body size, lower sound frequencies, and shorter delta times.
Welton Dionisio‐da‐Silva, Natália Maria Câmara Luna, Patrício Adriano da Rocha, Rodrigo Hirata Willemart, Marcio Bernardino daSilva   +4 more
wiley   +1 more source

Isolation and Molecular Analysis of Negeviruses in Mosquitoes (Diptera: Culicidae) from an Environmental Protection Area in the Brazilian Amazon. [PDF]

Viruses
Ramos BA, Dias DD, Nunes-Neto JP, Junior JWR, Vieira DBR, Carvalho VL, Wanzeller ALM, Silva EVPD, Freitas MNO, Barros LJL, Santos MM, Pantoja JAS, Gonçalves EJ, Ribeiro ACDS, Cruz ACR, Silva SP, Aragão CF, Casseb ADR, Martins LC.   +18 more
europepmc   +1 more source

Gastrointestinal Parasites in Free‐Ranging Saguinus ursulus From the Eastern Brazilian Amazon: First Report of Prosthenorchis sp.

Journal of Medical Primatology, Volume 55, Issue 4, August 2026.
ABSTRACT Enteroparasites were investigated in free‐ranging Saguinus ursulus from the eastern Brazilian Amazon. Parasites were detected in 76.5% (13/17) of capture events, with Prosthenorchis sp. most frequently detected (58.8%; 10/17). Animals showed good body condition and no clinical abnormalities.
Josi Teixeira de Melo, Camille Gabrielle Ramos Portal, João Pedro Carvalho Rodrigues, Paulo Henrique Gomes de Castro, Rafael dos Santos de Andrade, Obadias dos Reis Silva, Gessiane Pereira da Silva, Aline Amaral Imbelone, Frederico Ozanan Barros Monteiro   +8 more
wiley   +1 more source

Ascaridia pavo n. sp. (Nematoda: Ascaridida), a new species of nematode in peafowl. [PDF]

Rev Bras Parasitol Vet
Pinheiro RHDS, Rodrigues RRQP, Benigno RNM, Ruffeil LAADS, Giese EG.   +4 more
europepmc   +1 more source

Fragments of urban forest in a large Amazonian city as habitats for potential Leishmania vectors. [PDF]

Parasite Epidemiol Control
Dos Santos YCV, de Matos Bezerra T, Dos Reis DC, Laurentino RV, Dos Santos LM, de Nazaré Martins da Silva A, Dos Santos TV, Yassui Ishikawa EA.   +7 more
europepmc   +1 more source

Evaluation of the antimicrobial and NorA and MepA efflux pump inhibitory activity of a hydrazone derivative of hydralazine against Staphylococcus aureus. [PDF]

Arch Microbiol
Belém KSTG, Rocha JE, Bento AJM, Dias JML, Coutinho HDM, das Chagas Lima Pinto F, de Menezes RRPPB, da Silva ME, Marinho ES, Marinho MM, Dos Santos HS.   +10 more
europepmc   +1 more source

Social factors are associated with disparities in epidemiological and operational indicators of COVID-19 surveillance in a region of the Brazilian Amazon. [PDF]

Front Public Health
Alencar JL, Dos Santos MPQ, da Silva Ferreira AL, Silva MJA, da Costa Lobato D, Dos Santos Freitas J, Kimura MAON, Guimarães RJPSE, Rodrigues YC, Sardinha DM, Lima KVB.   +10 more
europepmc   +1 more source

Chemical Composition and in Vitro and in Silico Larvicidal Activity of <i>Piper</i> spp. Essential Oils and Their Mixtures Against <i>Aedes aegypti</i> (Diptera: Culicidae). [PDF]

Plants (Basel)
Botelho AS, Brandão CM, Silva LGP, Holanda CA, Santos EJBD, Horchani M, Kumar R, do Socorro de Souza Vilhena K, Silva MPD, Oliveira MS, Andrade EHA.   +10 more
europepmc   +1 more source