Navigation Links
Bumblebee house warming -- it takes a village

ether the smaller bees are really better at warming the nest, or whether the larger bees avoid incubating for other reasons. In general, larger bumblebee workers are foragers for food and they could be committed to that task. This kind of size-based division of labor might make the colony more efficient."

The researchers studied Bombus huntii, a species of bumblebee common in the Pacific Northwest. Bumblebees, unlike most insects, are warm-blooded. They can heat their bodies, and can remain active at cooler temperatures than many other insects. To achieve optimum conditions for their young, bumblebees rely on nest thermoregulation, actively raising or lowering temperature. Because they are well adapted to cooler and temperate climates, bumblebees are important pollinators of a number of food crops including blueberries, cranberries, huckleberries and greenhouse-grown tomatoes, peppers and eggplants.

To study task performance, the researchers glued a numbered plastic tag to the thorax of workers in three colonies. They observed and videotaped the incubation and wing fanning, or cooling, performed by individual workers under four temperature conditions ?cold, moderate, warm and hot. Temperatures ranged from 10.3 to 38.6 degrees Celsius (about 50 to 101 degrees Fahrenheit).

The study focused more on incubation than fanning because the researchers did not want to raise the temperature too high. Excessive heat can kill bumblebees. In looking at the incubation behavior, O'Donnell said workers vibrate wing muscles to shunt down heat to their abdomen, which is held in close contact with a comb containing the brood.

"You can see them shiver to transfer the heat," he said.

"Task switching was previously thought to be common among bumblebee workers," said O'Donnell. "But this study indicates that there is strong specialization in labor among individuals, and body size seems to play a role in what jobs they perform. I
'"/>

Source:University of Washington


Page: 1 2 3

Related biology news :

1. Bumblebees copy one another when contending with unfamiliar flowers
2. New research indicates a troubled greenhouse is brewing
3. DOE JGI launches IMG public online microbial genome data clearinghouse
4. Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect
5. Food-crop yields in future greenhouse-gas conditions lower than expected
6. Plutonium or greenhouse gases? Weighing the energy options
7. Siberian lakes burp time-bomb greenhouse gas
8. Elephant seal pups suffer from ocean warming
9. Global warming increases oyster sensitivity to pollution
10. Errors in the measurement of global warming corrected
11. Clean skies=faster global warming?
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Bumblebee house warming takes village

(Date:10/15/2014)... Gauß-Allianz has admitted Johannes Gutenberg University Mainz (JGU) ... science hub continues to maintain a significant nationwide ... , "The acceptance of Johannes Gutenberg University Mainz ... a milestone in the national and international competition ... state of Rhineland-Palatinate can be proud that Mainz ...
(Date:10/15/2014)... , Oct. 15, 2014   Neurotechnology ... today announced the availability of the VeriLook ... Surveillance 3.0 provides real-time biometric face identification using ... digital surveillance cameras. The new version not only ... differentiates people from objects while they are moving ...
(Date:10/14/2014)... planet,s leading questions is how to produce enough food ... The Food and Agriculture Organization of the United Nations ... next 40 years to feed a growing global population, ... rise in food production. Plants—grains, cereals, fruits, vegetables, ... Current research must tap into our knowledge of ...
Breaking Biology News(10 mins):Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 2Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 3VeriLook Surveillance 3.0 SDK Identifies Faces and Moving Objects, Differentiates Pedestrians from Other Moving Objects in Video Surveillance Systems 2VeriLook Surveillance 3.0 SDK Identifies Faces and Moving Objects, Differentiates Pedestrians from Other Moving Objects in Video Surveillance Systems 3Building a bridge from basic botany to applied agriculture 2Building a bridge from basic botany to applied agriculture 3
... WI, JUNE 28, 2011 -- The evaluation of ... needed to sustainably manage agroforestry systems. Improved diagnosis ... and also reduce financial and environmental costs. To ... for site-specific evaluation of nutrient-production imbalances is needed. ...
... From educators to leaders in industry, there is broad ... improving teaching and learning in science, technology, engineering and ... A background in STEM is not only essential to ... means for citizens to understand and participate in an ...
... in Spanish . Biocides turn out ... subjected to microencapsulation, due to the fact that this process ... conclusion of chemist Ms Mariluz Alonso in a thesis defended ... research, she chose a number of biocides and other complementary ...
Cached Biology News:Analyzing agroforestry management 2New report offers roadmap for success in K-12 STEM education 2Biocides that attack only insects 2Biocides that attack only insects 3
(Date:10/20/2014)... October 20, 2014 , A ... disorders and the delivery of care has revealed changing ... worrying inequalities in the provision of healthcare services across ... commissioned by United European Gastroenterology (UEG), have been announced ... public awareness of the burden of GI disorders across ...
(Date:10/20/2014)... 2014 OncLive® is ... Center at Thomas Jefferson University has joined its ... Strategic Alliance Partnership program, the Sidney Kimmel Cancer ... raise awareness of the Center’s cutting-edge research programs, ... Clinicians and other health care professionals from the ...
(Date:10/19/2014)... (PRWEB) October 19, 2014 The Latin ... the market in Latin America with analysis and forecast ... in 2013, and is expected to reach $2,366.8 million ... to 2018. , Browse through the TOC of the ... idea of the in-depth analysis provided. It also provides ...
(Date:10/19/2014)... 2014 The Asia-Pacific Bromine Market ... Asia-Pacific with analysis and forecast of revenue. , ... Bromine Market report, to get an idea of ... glimpse of the segmentation in the Asia-Pacific bromine ... figures. , http://www.micromarketmonitor.com/market/asia-pacific-bromine-6741503144.html , Bromine ...
Breaking Biology Technology:Major Survey Reveals Changing Trends and Inequalities in Healthcare Provision for Gastrointestinal Disorders Across Europe 2Major Survey Reveals Changing Trends and Inequalities in Healthcare Provision for Gastrointestinal Disorders Across Europe 3Major Survey Reveals Changing Trends and Inequalities in Healthcare Provision for Gastrointestinal Disorders Across Europe 4Major Survey Reveals Changing Trends and Inequalities in Healthcare Provision for Gastrointestinal Disorders Across Europe 5Sidney Kimmel Cancer Center at Thomas Jefferson University Partners With OncLive 2Sidney Kimmel Cancer Center at Thomas Jefferson University Partners With OncLive 3The Latin American hardware encryption display market is expected to reach $2,366.8 million by 2018 - New Report by MicroMarket Monitor 2The Latin American hardware encryption display market is expected to reach $2,366.8 million by 2018 - New Report by MicroMarket Monitor 3The Asia-Pacific Bromine Market is estimated to grow to $4,080.1 million by 2018 - New Report by MicroMarket Monitor 2The Asia-Pacific Bromine Market is estimated to grow to $4,080.1 million by 2018 - New Report by MicroMarket Monitor 3
... Lynn Jordan , ... Introduction , ... commonly carried out using manual pipetting. As the demand for greater ... a necessity for most laboratories. The most critical aspect of an ...
... Jeff Cunningham and Lynn Jordan , ... USA , Introduction , ... an optional accessory to the Sciclone Advanced Liquid Handler (ALH). This device ... or columns of 96 and 384 well microplates for purposes of liquid ...
... Geoffrey Grove, Ed Alderman Applied Science and Technology, Caliper Life ... Monica Adams, Jason Brennan Development Integration, Amersham BioSciences, 800 ... Overview , ... to eliminate the requirement for extended bacterial growth prior to sequencing. ...
Cached Biology Technology:384 Well Pipetting Precision and Accuracy Testing Using the Sciclone Advanced Liquid Handler 2384 Well Pipetting Precision and Accuracy Testing Using the Sciclone Advanced Liquid Handler 3384 Well Pipetting Precision and Accuracy Testing Using the Sciclone Advanced Liquid Handler 4Precision Testing for the Sciclone Advanced Liquid Handler Z8 Option 2Precision Testing for the Sciclone Advanced Liquid Handler Z8 Option 3Precision Testing for the Sciclone Advanced Liquid Handler Z8 Option 4Precision Testing for the Sciclone Advanced Liquid Handler Z8 Option 5Scalable Automation of the TempliPhi DNA Sequencing Template Amplification and DYEnamic ET Terminator Sequencing Kits on the Sciclone ALH 3000 2Scalable Automation of the TempliPhi DNA Sequencing Template Amplification and DYEnamic ET Terminator Sequencing Kits on the Sciclone ALH 3000 3Scalable Automation of the TempliPhi DNA Sequencing Template Amplification and DYEnamic ET Terminator Sequencing Kits on the Sciclone ALH 3000 4Scalable Automation of the TempliPhi DNA Sequencing Template Amplification and DYEnamic ET Terminator Sequencing Kits on the Sciclone ALH 3000 5Scalable Automation of the TempliPhi DNA Sequencing Template Amplification and DYEnamic ET Terminator Sequencing Kits on the Sciclone ALH 3000 6