Results 61 to 70 of about 2,441 (219)

Foraging by predatory ants: A review

open access: yesInsect Science, Volume 32, Issue 4, Page 1096-1118, August 2025.
This review focuses on ecological and behavioral characteristics of foraging in ants showing the wide diversity of cases. Most ants can feed on sugary substances, but some ground‐nesting species are strict predators. Except army ants during the nomadic phase, they are central‐place foragers that can recruit nestmates when necessary. They prey mostly on
Alain Dejean   +5 more
wiley   +1 more source

Characterization of Acromyrmex subterraneus brunneus (Hymenoptera: Formicidae) young nests in a fragment of the Neotropical Forest Caracterização de ninhos jovens de Acromyrmex subterraneus brunneus (Hymenoptera: Formicidae) em fragmento de Floresta Neotropical

open access: yesRevista Árvore, 2004
Young nests of Acromyrmex subterraneus brunneus are characterized by refuse soil in the exterior of the nest, a single fungus chamber 11 to 20 cm deep in relation to soil surface and internal volume ranging from 0.3 to 1.5 liters.
Roberto da Silva Camargo   +3 more
doaj   +1 more source

Molecular Adjustment to a Social Niche: Brain Transcriptomes Reveal Divergent Influence of Social Environment on the Two Queen Morphs of the Ant Temnothorax rugatulus

open access: yesMolecular Ecology, Volume 34, Issue 15, August 2025.
ABSTRACT Social insects form complex societies with division of labour between different female castes. In most species, a single queen heads the colony; in others, several queens share the task of reproduction. These different social organisations are often associated with distinct queen morphologies and life‐history strategies and occur in different ...
Marah Stoldt   +3 more
wiley   +1 more source

Social Organization Is Associated With Relaxed Selection on Worker Genes in Highly Polygyne Ants

open access: yesEcology and Evolution, Volume 15, Issue 7, July 2025.
ABSTRACT Ants display a diversity of social structures reflected by differences in caste, nest, and colony organization. Previous research has shown that highly eusocial insects (Hymenoptera) exhibit genome‐wide signatures of relaxed selection due to their smaller effective population sizes.
Kailey Ferger, Neil D. Tsutsui
wiley   +1 more source

Primeiro registro da quenquém cisco-da-Amazônia Acromyrmex hystrix Latreille (Formicidae: Myrmicinae) para o estado do Maranhão, Brasil

open access: yesEntomoBrasilis, 2010
Utilizando armadilhas pitfall, registra-se pela primeira vez quatro operárias da formiga quenquém cisco-da-Amazônia Acromyrmex hystrix (Latreille) (Formicidae: Myrmicinae) em uma caverna no estado do Maranhão, região nordeste do Brasil.
Wesley Dáttilo   +3 more
doaj   +2 more sources

EVALUACION CUALITATIVA Y CUANTITATIVA DE LA OFERTA Y COSECHA DE BIOMASA HERBACEA POR ACROMYRMEX STRIATUS ROGER (HYMENOPTERA FORMICIDAE) EN LA PROVINCIA DE LA PAMPA, ARGENTINA QUALITATIVE AND QUANTITATIVE EVALUATION OF THE SUPPLY AND HARVEST OF HERBACEOUS BIOMASS BY ACROMYRMEX STRIATUS ROGER (HYMENOPTERA: FORMICIDAE) IN LA PAMPA PROVINCE, ARGENTINA

open access: yesGayana, 2007
In this paper we present a qualitative and quantitative evaluation of the supply and harvest of herbaceous biomass of the Acromyrmex striatus ant at a site in Santa Rosa city, La Pampa province, Argentina (36º28' S 64º35' W).
Ana Armani, Estela Quirán
doaj  

Mechanical properties and cuticle organisation in mandibles are related to the task specialisation in leafcutter ants (Atta laevigata, Attini, Formicidae)

open access: yesPhysiological Entomology, Volume 50, Issue 2, Page 152-165, June 2025.
Task‐specialization and mandible properties: Leafcutter ants show caste‐based task division, reflected in mandible morphology and mechanical properties. Structural and mechanical analysis: The cuticle was composed of exo‐, meso‐, and endocuticle.
Wencke Krings   +2 more
wiley   +1 more source

ACROMYRMEX LOBICORNIS EMERY 1887 (HYMENOPTERA:FORMICIDAE) Y EL PESO DE LA CARGA, EN CONDICIONES DE LABORATORIO ACROMYRMEX LOBICORNIS EMERY 1887 BODY AND LOAD WEIGHT RELATIONSHIP. A LABORATORY EXPERIENCE

open access: yesGayana, 2001
Las hormigas cortadoras de hojas de los géneros Atta Fabricius y Acromyrmex Mayr de la tribu Attini, son eficientes cosechadoras. Se ha observado que las obreras forrajeadoras de estas hormigas cosechan frecuentemente fragmentos de hojas que se ...
Estela M. Quirán, Juan P. Steibel
doaj  

Variabilidade genética interespecífica em formigas cortadeiras do gênero Acromyrmex que ocorrem no Estado do Rio Grande do Sul Inter-specific genetic variability of leaf cutting ants (Acromyrmex genus) from Rio Grande do Sul State

open access: yesCiência Rural, 2007
São poucos os taxonomistas que atuam na identificação de formigas cortadeiras. Os métodos morfométricos utilizados nem sempre permitem uma identificação confiável, em função do acentuado polimorfismo dentro do mesmo formigueiro.
Douglas Daniel Grutzmacher   +4 more
doaj   +1 more source

Morphology and Volatilomics of the Pre‐Pharyngeal and Pharyngeal Glands of Paraponera clavata (Hymenoptera: Paraponerinae) and Pachycondyla crassinoda (Hymenoptera: Ponerinae) Workers

open access: yesJournal of Morphology, Volume 286, Issue 3, March 2025.
This paper describes the morphology and chemical contents of the pre‐pharyngeal and pharyngeal glands in two different ants. The results provide new insights about the morphology and compounds of the exocrine glands in ants. ABSTRACT Ants occur in a remarkable diversity of species, many of which fulfill essential ecological roles and exhibit complex ...
Erika Vanessa C. C. Sousa   +5 more
wiley   +1 more source

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