Results 81 to 90 of about 2,626 (204)

A new species of Lomanoxia Martínez from Costa Rica (Coleoptera: Scarabaeidae: Aphodiinae) [PDF]

open access: yes, 2003
A new species of Lomanoxia Martínez is described from Costa Rica: L. canthonopsis Skelley and Howden. This represents the first member of the genus reported from Central America.
Howden, Henry F., Skelley, Paul E.
core  

The Laboratory Environment Affects the Volatiles of Fungus Gardens in the Colonies of Fungus-farming Ants

open access: yesSociobiology
The ability to recognize nestmates is critical to the ecological success of social insects. Fungus-farming “attine” ants (Formicidae: Myrmicinae: Attini: Attina) can recognize their nestmates and symbiotic fungi via chemoreception.
Diego Santana Assis   +4 more
doaj   +1 more source

Rhythmic Foraging in the Leaf-Cutting Ant Atta cephalotes (L.) (Formicidae: Attini)

open access: yesThe Journal of Animal Ecology, 1974
The foraging behaviour of leaf-cutting ants can be divided into three broad aspects; namely, the spatial distribution of foraging around nests, the type and amount of vegetation collected by foragers, and the timing of activity during each 24-h cycle.
Lewis, T., Pollard, G. V., Dibley, G. C.
openaire   +1 more source

Hongos asociados con dos poblaciones de Acromyrmex lobicornis (Formicidae) de San Luis, Argentina [PDF]

open access: yes, 2013
Fungi associated with two populations of Acromyrmex lobicornis (Formicidae) from San Luis, Argentina. The ant genera Atta and Acromyrmex (Tribe Attini) include the mowers or trimmers of leaves called leaf-cutting ants, which are the only ants that show ...
Cafaro, Matias Jose   +3 more
core   +1 more source

Effect of trail bifurcation asymmetry and pheromone presence or absence on trail choice by Lasius niger ants [PDF]

open access: yes, 2014
During foraging, ant workers are known to make use of multiple information sources, such as private information (personal memory) and social information (trail pheromones).
Czaczkes, Tomer J   +6 more
core   +1 more source

Nidos de Atta cephalotes (HYMENOPTERA: MYRMICINAE) en sistemas cafeteros contrastantes, departamento del Cauca, Colombia

open access: yesBoletín Científico Centro de Museos Museo de Historia Natural, 2016
El presente estudio se propuso localizar, cuantificar y caracterizar los nidos de hormigas arrieras en dos sistemas cafeteros de manejo contraste en los municipios de Popayán y Cajibío en el Cauca. Para este fin, se seleccionaron ocho cafetales con sombra, ocho cafetales a libre exposición y cuatro fragmentos de bosque.
Daniela Villanueva   +2 more
openaire   +2 more sources

How urbanite is the leaf-cutter ant Atta cephalotes (Hymenoptera: Myrmicinae) in Colombia?

open access: yes, 2023
Abstract Many studies have dealt with the effect of invasive species in urban environments, leading to decline in species richness, and changes in the composition of faunal communities. However, few studies have investigated the role of native species while turning into invasive pests.
James Montoya Lerma   +2 more
openaire   +1 more source

Ants (Hymenoptera: Formicidae) of the Argentine Mesopotamia [PDF]

open access: yes, 2008
Este estudio describe la diversidad de hormigas de la Mesopotamia Argentina y su distribución geográfica. El grupo de las hormigas se destaca por su alta biomasa, diversidad, dominancia numérica e importancia ecológica.
Vittar, Fernando
core  

Immune response and survival of a leafcutter ant with a compromised immune system during an entomopathogenic challenge [PDF]

open access: yesJournal of Hymenoptera Research
Social insects employ diverse strategies, including individual and collective sanitary care as well as colony-level hygiene, to prevent, manage and control pathogen transmission.
Ernesto Bonadies   +2 more
doaj   +3 more sources

Composting to control the leaf-cutting ant atta cephalotes l. (hymenoptera: formicidae)

open access: yesRevista de Ciencias, 2013
Las hormigas cortadoras de hojas, Atta y Acromyrmex, son los herbívoros más importantes en los trópicos. En este estudio se comparan los efectos de dos métodos no químicos sobre la sobrevivencia y actividad de nidos de Atta cephalotes (Formicidae:Myrmicinae). Un total de 83 nidos activos de A.
James Montoya-Lerma   +2 more
openaire   +1 more source

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