Abstract：
:Insect societies have developed sanitary strategies, one of which is the avoidance of infectious food resources as a primary line of defence. Using binary choices, we investigated whether Myrmica rubra ants can identify prey that has been artificially infected with the entomopathogenic fungus, Metarhizium brunneum. We compared the ants' foraging behaviour towards infected prey at three different stages of fungus development: (i) prey covered with fungal conidia, (ii) prey freshly killed by the fungus and (iii) sporulating prey. Most foragers retrieved a corpse covered with a high number of spores but they consistently avoided a sporulating prey and collected less prey that had recently died from fungal infection. Furthermore, ant responses were highly variable, with some individuals retrieving the first prey they encountered while others inspected both available prey before making a decision. Workers were not repelled by the simple presence of fungal conidia but nevertheless, they avoided retrieving cadavers at later stages of fungal infection. We discuss how these different avoidance responses could be related to: differences in the ants' perceptive abilities; physico-chemical cues characterizing fungus-infected prey or in the existence of physiological or behavioural defences that limit sanitary risks associated with potentially contaminated resources.
journal_name
R Soc Open Scijournal_title
Royal Society open scienceauthors
Pereira H,Detrain Cdoi
10.1098/rsos.191705subject
Has Abstractpub_date
2020-02-19 00:00:00pages
191705issue
2issn
2054-5703pii
rsos191705journal_volume
7pub_type
杂志文章abstract：:Chickens (Gallus gallus domesticus) from the Americas have long been recognized as descendants of European chickens, transported by early Europeans since the fifteenth century. However, in recent years, a possible pre-Columbian introduction of chickens to South America by Polynesian seafarers has also been suggested. ...
journal_title：Royal Society open science
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pub_type： 杂志文章,评审
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更新日期：2019-03-06 00:00:00
abstract：:[This corrects the article DOI: 10.1098/rsos.140292.]. ...
journal_title：Royal Society open science
pub_type： 已发布勘误
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pub_type： 杂志文章,评审
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