Asian weaver ants () are an important biocontrol agent in agricultural habitats. We conducted surveys in oil palm plantations in Riau, Indonesia for an obligate myrmecophilous butterfly larvae, (Lepidoptera, Lycaenidae), that is known to consume weaver ant larvae in other habitat types. We found larvae in five of the twenty nests surveyed, with larval presence not being related to weaver ant nest size. We also observed larvae in a weaver ant mass rearing facility. This is the first report of from oil palm plantations and may have implications for the use of weaver ants as biological control agents.
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http://dx.doi.org/10.3897/BDJ.10.e83842 | DOI Listing |
Naturwissenschaften
September 2024
Biological Control of Pests Research Unit, USDA-ARS, Stoneville, MS, 38776, USA.
Deformed wing virus (DWV) has long been identified as a critical pathogen affecting honeybees, contributing to colony losses through wing deformities, neurological impairments, and reduced lifespan. Since DWV also affects other pollinators, it poses a significant threat to global pollination networks. While honeybees have been the focal point of DWV studies, emerging research indicates that this RNA virus is not host-specific but rather a generalist pathogen capable of infecting a wide range of insect species, including other bee species such as bumblebees and solitary bees, as well as wasps and ants.
View Article and Find Full Text PDFProc Biol Sci
August 2024
School of Natural Sciences, Macquarie University, New South Wales 2109, Australia.
Animal groups need to achieve and maintain consensus to minimize conflict among individuals and prevent group fragmentation. An excellent example of a consensus challenge is cooperative transport, where multiple individuals cooperate to move a large item together. This behaviour, regularly displayed by ants and humans only, requires individuals to agree on which direction to move in.
View Article and Find Full Text PDFJ Biol Rhythms
June 2024
Department of Zoology, University of Calcutta, Kolkata, India.
The study of chronobiology of foraging behavior in social insects offers valuable models for the investigation of circadian rhythms. We scored hourly nest entries and exits of (Asian weaver ant) workers in 9 active non-polydomous nests on days with and without rain and with and without a primarily diurnal predator present. After determining that display a high nest fidelity, we focused exclusively on analyzing nest entry counts: we found a significant decrease in overall entry counts of individual ants on rainy days compared with non-rainy days ( < 0.
View Article and Find Full Text PDFHeliyon
February 2024
Applied Mathematics Consultancy for Environmental Data Analysis - StatEnCo, Saint-Pée-sur-Nivelle, Pays Basque, France.
F. the Asian weaver ant, is one of the oil palm plantation's () potential predators, for the invasive bagworm species Walker, but this ant is a nuisance species that irritates plantation workers with their sharp bites. Here we assess the foraging activities (FA) of major workers, identify its inactive times and the existence of supervision, a novelty for social insects.
View Article and Find Full Text PDFMov Ecol
October 2023
School of Physics, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
The movement of individual weaver ants, of Oecophylla smargandina, was previously tracked within an unfamiliar arena. We develop an empirical model, based on Brownian motion with a linear drag and constant driving force, to explain the observed distribution of ants over position and velocity. Parameters are fixed according to the isotropic, homogeneous distribution observed near the middle of the arena.
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