Navigation Links
Scientists exploit ash tree pest's chemical communication
Date:4/7/2011

This release is available in Spanish.

A newly identified chemical sex attractant, or pheromone, of the emerald ash borer could mean improved traps for monitoring and controlling the tree-killing beetle. That's the goal of U.S. Department of Agriculture (USDA) entomologist Allard Coss and his colleagues.

Coss has been searching for such attractants since 2007 as part of a multidisciplinary team of scientists from USDA's Agricultural Research Service (ARS), Forest Service (FS) and Animal and Plant Health Inspection Service (APHIS). Early success came with the identification of several attractants emitted from the bark and leaves of girdled ash trees.

That finding, in turn, led to the development of traps baited with manuka oil as a less-expensive proxy. The traps are now used to detect infestations of borers so that quarantine areas can be established to contain them.

More recently, the team discovered a macrocyclic lactone, a compound that female borers release while feeding. Large-scale field tests conducted in Canada and the United States showed that the compound attracts male borers and has potential for use in traps either alone or combined with ash-tree-based attractants, reports Coss, at the ARS National Center for Agricultural Utilization Research in Peoria, Ill.

A key tool throughout the team's studies has been the electro-antennogram. The device records the strengths of electrical signals generated by the borer's antenna when connected to electrodes and exposed to different odors it encounters in nature.

The electro-antennogram has also proven useful in identifying attractants for three parasitic wasp species that have been approved for release as biological control agents. The team has so far developed an experimental pheromone formulation for one of the three wasp species, Spathius agrili, which attracts males and females alike.

Establishing natural enemies such as the wasps could help slow down the spread of the borer, creating a kind of equilibrium whereby fewer trees are lost to the beetle pest, according to Coss.


'/>"/>

Contact: Jan Suszkiw
jan.suszkiw@ars.usda.gov
301-504-1630
United States Department of Agriculture - Research, Education and Economics
Source:Eurekalert

Related biology news :

1. S.L.E. Lupus Foundation announces new grants to further NYC scientists leadership in lupus research
2. Scientists develop new technology for stroke rehabilitation
3. Common chaperone protein found to work in surprising way, say Scripps Research scientists
4. New opportunities for covalent drugs published by Avila scientists
5. NOAA scientists find killer whales in Antarctic waters prefer weddell seals over other prey
6. Scientists Without Borders awards $10,000 to solvers of maternal health and nutrition challenge
7. Smithsonian scientists help block ship-borne bioinvaders before they dock
8. Scientists awarded carcinoid tumor and pancreatic neuroendocrine tumor research grants
9. Salk scientists crack molecular code regulating neuronal excitability
10. Breakthrough in Niemann-Pick Type C research reported by Notre Dame and Cornell scientists
11. Scientists discover major clue in long-term memory making
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/2/2017)... 2017 Summary This report provides all ... partnering interests and activities since 2010. ... Read the full report: ... 2010 report provides an in-depth insight into the partnering activity ... On demand company reports are prepared upon purchase to ...
(Date:3/2/2017)... MELBOURNE, Australia , March 2, 2017 ... Therapeutics Ltd (ASX: CYP), has signed an agreement ... researchers from the Monash Biomedicine Discovery Institute and Department ... , to conduct a further preclinical study to support ... the treatment of asthma.  Asthma is ...
(Date:2/28/2017)... News solutions for biometrics, bag drop and ... ... to 16 March, Materna will present its complete end-to-end passenger ... is a real benefit for passengers. To accelerate the whole ... touch point solutions to take passengers through the complete integrated ...
Breaking Biology News(10 mins):
(Date:3/24/2017)... , March 24, 2017 MiMedx Group, Inc. ... utilizing human placental tissue allografts and patent-protected processes to ... sectors of healthcare, announced today  that it will present ... York , NY.  Parker H. "Pete" Petit, Chairman ... Officer, Christopher M. Cashman , EVP and Chief ...
(Date:3/24/2017)... WESTLAKE VILLAGE, Calif. , March 24, 2017 /PRNewswire/ ... medical dermatology and aesthetics company, today announced that ... Financial Officer, effective March 24.   Peterson, who ... will succeed John Smither , who is retiring ... serve Sienna in an advisory capacity. Peterson joins Sienna ...
(Date:3/23/2017)... 2017  Northwest Biotherapeutics (OTCQB: NWBO) (NW Bio), ... for solid tumor cancers, today announced that yesterday ... announced last Friday, March 17, 2017. ... securities totaling 28,843,692 shares, comprised of 18,843,692 common ... of Class C Warrants pre-funded at the closing ...
(Date:3/23/2017)... Kineta, Inc., a biotechnology company focused ... immuno-oncology, today announced the discovery and characterization of ... activate interferon response factor 3 (IRF3) via RIG-I ... regression in a murine colon carcinoma mouse model.  ... tumor regression to initial drug treatment were resistant ...
Breaking Biology Technology: