Results 31 to 40 of about 634,616 (387)

Trade-off in plant-ant interactions: seasonal variations [PDF]

open access: yesBrazilian Journal of Biology, 2020
This work evaluated the effect of seasonality on ant-plant interaction in a Seasonally Dry Tropical Forests, using as an ecological model the species Ipomoea carnea subs. fistulosa (Convolvulaceae).
J. Martins   +4 more
doaj   +2 more sources

Taxonomy of the Crematogaster degeeri-species-assemblage in the Malagasy region (Hymenoptera: Formicidae) [PDF]

open access: yes, 2013
We revise the species-level taxonomy of the Crematogaster (Crematogaster) degeerispecies-assemblage, a group of related ants occuring in Madagascar and the wider Malagasy region, and further provide an identification key to all species-groups of the ...
Blaimer, Bonnie B., Fisher, Brian L.
core   +3 more sources

The effect of diet and opponent size on aggressive interactions involving caribbean crazy ants (Nylanderia fulva). [PDF]

open access: yesPLoS ONE, 2013
Biotic interactions are often important in the establishment and spread of invasive species. In particular, competition between introduced and native species can strongly influence the distribution and spread of exotic species and in some cases ...
Katherine C Horn   +2 more
doaj   +1 more source

Urban tropical forest islets as hotspots of ants in general and invasive ants in particular

open access: yesScientific Reports, 2022
Urbanization is a crucial driver of environmental and biodiversity change. It is suggested that urbanization favours generalist and invasive species and might harm specialists of natural and semi-natural habitats.
T. P. Rajesh   +7 more
doaj   +1 more source

Dry habitats were crucibles of domestication in the evolution of agriculture in ants

open access: yesProceedings of the Royal Society B: Biological Sciences, 2017
The evolution of ant agriculture, as practised by the fungus-farming ‘attine’ ants, is thought to have arisen in the wet rainforests of South America about 55–65 Ma.
M. G. Branstetter   +6 more
semanticscholar   +1 more source

The ants of North and Central America: the genus Mycocepurus (Hymenoptera: Formicidae)

open access: yesJournal of Insect Science, 2004
We provide a review of the North American ants (north of Colombia) of the ant genus Mycocepurus, including keys to the workers and females, illustrations and distribution maps. The distribution of M. tardus is extended to Nicaragua and Costa Rica.
William P. Mackay   +3 more
semanticscholar   +1 more source

Native and invasive ants affect floral visits of pollinating honey bees in pumpkin flowers (Cucurbita maxima)

open access: yesScientific Reports, 2021
Global pollinator decline is a major concern. Several factors—climate change, land-use change, the reduction of flowers, pesticide use, and invasive species—have been suggested as the reasons.
Anjana Pisharody Unni   +5 more
doaj   +1 more source

Morphophysiological differences between the metapleural glands of fungus-growing and non-fungus-growing ants (Hymenoptera, Formicidae). [PDF]

open access: yesPLoS ONE, 2012
The metapleural gland is an organ exclusive to ants. Its main role is to produce secretions that inhibit the proliferation of different types of pathogens.
Alexsandro Santana Vieira   +2 more
doaj   +1 more source

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