Navigation Links
Social bees mark dangerous flowers with chemical signals
Date:3/14/2013

Scientists already knew that some social bee species warn their conspecifics when detecting the presence of a predator near their hive, which in turn causes an attack response to the possible predator. Researchers at the University of Tours (France) in collaboration with the Experimental Station of Arid Zones of Almeria (Spain) have now demonstrated that they also use chemical signals to mark those flowers where they have previously been attacked.

Researchers at the University of Tours (France) and the Experimental Station of Arid Zones of Almeria (EEZA-CSIC) conducted an experiment to study whether bees are capable of using evasive chemical signals to mark those flowers where they have previously been attacked. For this purpose, they simulated a predator attack and observed whether the bees advised the rest of their conspecifics of the danger of gathering nectar at a certain plant.

"Evasive alarm pheromones provoke an escape response in insects that visit a particular flower and until now, we were not sure of the role that these pheromones played in social bees. Our results indicate that, unlike solitary bees, social bees use this type of alert system on flowers to warn their conspecifics of the presence of a nearby predator," as explained to SINC by Ana L. Llandres from the University of Tours and lead author of the study published in the 'Animal Behaviour' journal.

In order to determine whether social and solitary bees responded to these olfactory alarm signals, an experiment was performed using individuals from both types and from different countries: Australia, China, Spain and Singapore.

In some plants the predator attack was simulated by trapping the bees with pincers whereas in other cases control plants were used in which no attack took place.

"Solitary bees responded similarly in the case of flowers that had been attacked by control predators and control flowers. However, social bees responded very differently," explains L. Llandres. "Despite approaching both types of flower, the probability of landing on control flowers was much higher." The scientists also detected that the probability of social bees rejecting flowers was much greater if a predator attack had been previously simulated.

This study supports the idea that the sociability of bees is linked to the evolution of warning signals.


'/>"/>

Contact: Press Office
info@agenciasinc.es
34-914-251-820
FECYT - Spanish Foundation for Science and Technology
Source:Eurekalert  

Related biology news :

1. Scientists find that neurological changes can happen due to social status
2. NineSigma Launches NineSights, the Worlds First Open Innovation Social Media Destination for Innovation Seekers and Solution Providers
3. Social bats pay a price with new fungal disease
4. Helping family is key for social birds
5. First Indian-European research networking projects in the social sciences launched
6. Compounds shown to thwart stubborn pathogens social propensity
7. Reciprocity an important component of prosocial behavior
8. New research suggests bacteria are social microorganisms
9. Academia should fulfill social contract by supporting bioscience startups, case study says
10. Hermit crabs socialize to evict their neighbors
11. Social factors trump genetic forces in forging friendships, CU-led study finds
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Social bees mark dangerous flowers with chemical signals
(Date:2/2/2016)... , Feb. 2, 2016  BioMEMS ... are primarily focused on medical screening and ... point-of-care parameters. Wearable devices that facilitate and ... freedom of movement are being bolstered through ... human biomedical signal acquisition coupled with wireless ...
(Date:2/2/2016)... Feb. 2, 2016  Based on its recent ... Sullivan recognizes US-based Intelligent Retinal Imaging Systems (IRIS) ... Award for New Product Innovation. IRIS, a prominent ... North America , is poised to set ... diabetic retinopathy market. The IRIS technology presents superior ...
(Date:1/27/2016)... , Jan. 27, 2016  Rite Track, Inc. a ... West Chester, Ohio announced today ... service staff, based in Austin, Texas ... ability to provide modifications, installations and technical support offerings ... CEO of PLUS, commented, "PLUS has provided world class ...
Breaking Biology News(10 mins):
(Date:2/11/2016)... , Feb. 11, 2016  Vermillion, Inc. (NASDAQ: ... gynecologic disease, today announced the formation of the Steering ... --> --> Pelvic masses can ... diagnosis and management. Once pregnancy is ruled out, pelvic ... and ovaries, advanced endometriosis, benign ovarian tumors and gastrointestinal ...
(Date:2/11/2016)... 11, 2016  Bioethics International, a not-for-profit organization focused on ... marketed and made accessible to patients around the world, today ... named the publication of the Good Pharma Scorecard ... also featured as one of BMJ Open ,s ,Most ... that are most frequently read. Ed Sucksmith , ...
(Date:2/11/2016)... , Feb. 11, 2016  Wellcentive today announced ... Portland, Oregon -based community care organization ... population health analytics, quality reporting and care management ... strengthen its team of quality managers, analysts and ... the provider groups serving FamilyCare members. ...
(Date:2/11/2016)... Feb. 11, 2016  Dovetail Genomics™ LLC today announced ... program for a planned metagenomic genome assembly service. ... metagenomic genome assembly method in a talk on Friday, ... & Technology conference in Orlando, Fla. ... complex datasets is difficult. Using its proprietary ...
Breaking Biology Technology: