Results 31 to 40 of about 527 (172)

Impacts of land use change on diaspore‐dispersing ant assemblages in southwestern Amazonia

open access: yesInsect Conservation and Diversity, Volume 19, Issue 4, Page 908-917, July 2026.
Land use changes shift ant assemblages, more intensive land uses are dominated by generalist and open habitat specialist species engaging in group foraging. The diaspore removal rates cannot differ, but the quality of dispersal was lower in disturbed habitats.
Dhâmyla Bruna de Souza Dutra   +6 more
wiley   +1 more source

Aspectos Ecológicos de Atta sexdens piriventris Santschi (Hymenoptera: Formicidae) no Município de Capinzal, Santa Catarina, Brasil

open access: yesEntomoBrasilis, 2013
Entre as espécies de formigas economicamente importantes, devido aos danos que muitas vezes causam à agricultura, as mais significativas são as formigas-cortadeiras por possuírem o hábito de cortar e transportar fragmentos vegetais diversos para os seus ...
Manuelly Sartori Spier   +3 more
doaj   +1 more source

Estudo de Mirmecodomáceos em algumas espécies de Boraginaceae, Chrysobalanaceae, Melastomataceae e Rubiaceae [PDF]

open access: yesActa Amazonica, 1978
Resumo Procura-se neste trabalho elucidar algumas hipóteses levantadas a respeito da associação "plantas-formigas" (Mirmecófitas) em algumas espécies de Boraginaceae (Cordia nodosa Lam.), Chrysobalanaceae (Hirtella duckei Hub.), Melastomataceae (Tococa ...
Germano Guarim Neto, Neuza M. Asakawa
doaj   +1 more source

Ant‐Mediated Ecosystem Functions Along a Tropical Elevational Gradient

open access: yesJournal of Biogeography, Volume 53, Issue 7, July 2026.
ABSTRACT Aim Elevational gradients are excellent systems to study biodiversity variation, yet the ecosystem functions performed by animals along these gradients are poorly understood. We assessed tropical elevational patterns of ant‐mediated seed removal, insect predation and the phylogenetic diversity of the local ant assemblages performing these ...
Chaim J. Lasmar   +11 more
wiley   +1 more source

Avaliação de Mutualismo entre Acacia mangium Willd (Mimosaceae) e Formigas (Hymenoptera: Formicidae)

open access: yesRevista Brasileira de Agroecologia, 2008
O mutualismo entre formigas e plantas consiste na proteção da árvore pela formigas contra herbívoros, que recebem em troca alimento ou local para nidificação.
Tiago José Bertuol   +3 more
doaj  

DE MINÚSCULOS TITÃS A LEGIONÁRIOS QUE QUEIMAM: A REPRESENTAÇÃO DE FORMIGAS NAS ANIMAÇÕES INFANTIS

open access: yesRevista REAMEC, 2021
Este estudo objetivou compreender as representações de formigas em animações infantis. Para isso, assistiu-se a cada animação mais de uma vez para perceber como as formigas foram significadas nos desenhos animados.
Sheila Alves Almeida   +3 more
doaj  

Evaluation of hand hygiene practices in three intensive care units

open access: yesRevista de Epidemiologia e Controle de Infecção, 2019
Background and objectives: Hand Hygiene (HH) is a simple and effective measure in the fight against Healthcare-associated Infections (HAIs). Despite the effort made by professionals of the Infection Control Service, compliance with practices remains low,
Andre Luiz Silva Alvim   +4 more
doaj   +1 more source

Enhanced Endoscopic Internal Drainage of Gastric Abscess Through Additively Manufactured Stents

open access: yesAdvanced Healthcare Materials, Volume 15, Issue 21, 5 June 2026.
Postoperative gastric leaks are often treated with off‐label biliary double‐pigtail stents, yet conventional extruded designs are not optimized for leak anatomy, can migrate, and may limit abscess evacuation. PETALS is introduced to optimize transmural drainage geometry and enable patient‐specific 3D‐printable stents.
Parima Phowarasoontorn   +14 more
wiley   +1 more source

Interação planta-inseto: Aspectos biológicos e ecológicos do mutualismo Cecropia-Azteca

open access: yesEntomoBrasilis, 2015
Uma associação bem conhecida dentre as interações ecológicas é o mutualismo entre plantas do gênero Cecropia e formigas, na maioria das vezes pertencentes ao gênero Azteca.
Gabriela Vasconcelos de Oliveira   +2 more
doaj   +3 more sources

Subterranean ants (Hymenoptera, Formicidae) as prey of fossorial reptiles (Reptilia, Squamata: Amphisbaenidae) in Central Brazil

open access: yesPapéis Avulsos de Zoologia, 2008
The ant diversity observed in stomach contents of fossorial reptiles was compared to the subterranean ant richness collected using traditional and modern techniques of ant collections. We analyzed the alimentary tract of 64 specimens of amphisbaenians (4
Flávia de Araújo Esteves   +2 more
doaj   +1 more source

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