Results 201 to 210 of about 5,239 (254)
Toxicity of lignans to symbiotic fungus of leaf-cutting ants
Journal of Chemical Ecology, 1996 Lignans fromVirola sebifera Aubl.,Virola sp., andOtoba parvifolia (Mkfg.) A. Gentry (Myristicaceae) inhibited the in vitro growth of the fungus cultivated by leaf-cutting ants of the speciesAtta sexdens rubropilosa Forel (Hymenoptera: Formicidae). A comparison of activity among the lignans was obtained.
Fernando C Pagnocca +2 more
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Waste management in leaf-cutting ants
Ethology Ecology and Evolution, 2001Hygienic behaviour is an important aspect of social organisation because living in aggregations facilitates the spread of disease. Leaf-cutting ants face the additional problem of an obligatory dependency on a fungus, which itself is also susceptible to parasites.
A N M Bot, Jacobus J Boomsma
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Leaf-Cutting Ants, Biology and Control
, 2013 Leaf-cutting ants (Formicidae, Myrmicinae, Attini) are found on the American continent and in the Caribbean and are known to live in symbiosis with a fungus. Among Attini tribe, Atta and Acromyrmex are the two genera, which commonly depend on fresh plant leaves and other plant material for their fungal garden.
Boulogne, Isabelle +2 more
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Limited impacts of the fungus Syncephalastrum on nests of leaf-cutting ants
Fungal Ecology, 2023 Leaf-cutting ants interact naturally with a range of antagonistic microorganisms, among them the soil-borne fungus Syncephalastrum. The antagonism of this fungus to the leaf-cutting ants’ fungal cultivar has been shown in studies without the ant queens ...
Keminy R Bautz +2 more
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Effects of cycloheximide on the mortality of Atta sexdens leaf-cutting worker ants
Revista Brasileira De Entomologia, 2018 Leaf-cutting ants live symbiotically with a fungus that they cultivate on the plant leaves that they cut. The innumerous studies on the plant selection mechanism used by leaf-cutting ants show the researchers’ interest in this issue.
Roberto Da Silva Camargo +1 more
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Hydrolytic enzymes of leaf-cutting ant fungi
Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 2009The production of enzymes and the colonization of leaves by Leucoagaricus gongylophorus were investigated to further understand the digestive interactions of leaf-cutting ant colonies. The enzymes detected were indicative of a saprophytic origin of this fungus, producing all the enzymes necessary for plant tissue breakdown.
Milton, Erthal +3 more
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Digestive Physiology of Leaf-Cutting Ants
2019Digestion depends, among other factors, on the quality of the ingested food and on the digestive enzyme activities of the alimentary tract. The studies carried out on the digestive physiology of Ac.octospinosus are important for research on the development of new methods of control. The digestive system of the larvae of Ac.octospinosus is comparable to
Febvay, Gérard, Kermarrec, Alice
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Evolutionary aspects of ant-fungus interactions in leaf-cutting ants
Trends in Ecology & Evolution, 1997Leaf-cutting ants are highly successful herbivores because they are able to use a wide variety of plants as food The workers harvest and process plant material to be used as substrate for a fungus on which they feed. New hypotheses concerning the evolution of the ant-fungus relationship have now been proposed. Although the relationship between the ants
R D, North, C W, Jackson, P E, Howse
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