Work Group on Bemisia tabaci
Newsletter No. 12. 1999
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European Whitefly Study Network
During the first week of May, the first meeting of EWSN was held at the
John Innes Institute in Great Britain. The goals of this network, which
was organized as a concerted efforts group of the European Common Market,
- To establish and formalize links between whitefly researchers within
- To collate information on European whitefly related problems and current
- To improve the exchange of information between researchers.
For three days, intensive meetings were held in which five study groups:
Faunistics and Systematics, Virology, Epidemiology, Natural Enemies and
Pest Management, first held topic-centered discussions and then presented
their points of view and conclusions to the whole group of ca. 40 participants.
The results of the discussions will be published and will serve as bases
for further actions. Moreover, additional meetings both of general and
more specific nature were planned.
The VIII Latin-American and Caribbean Workshop on Whiteflies
The first announcement has just been published. The meeting will be held
17-20 October 1999 in Recife, Brazil and will center around ways to combat
the severe Bemisia problems in the Latin American and Caribbean regions.
It will include sections on biological aspects, sanitation, cooperation,
knowledge dissemination, genetics and virology.
The XIV International Plant Protection Congress
The XIV International Plant Protection Congress will be held in Jerusalem,
Israel during July 25-30 1999. Several sessions will be conducted there,
dealing with whitefly infestations both out-of-doors and in protected
agriculture and several of the whitefly experts from around the globe
are scheduled to attend.
International Congress of Entomology
A full day symposium on Bemisia will be held in the XXI Congress
of Entomology, August 2000, in Brazil. The program will be as follows:
- Challenges and Opportunities for Pest Management of Bemisia
in the New Century.
Convenors: Steven E. Naranjo, USDA-ARS, USA
Maria Regina Vilarinho, EMBRAPA/CENARGEN, Brazil
Peter C. Ellsworth, University of Arizona, USA
Odair A. Fernandes, FCAV/UNESP, Brazil
- MORNING SESSION (Sponsored by Session 14: IPM)
- Introduction to Morning Session of Symposium: Odair A. Fernandes
- History and Current Status of Bemisia
Maria Regina Vilarinho, Tom Henneberry & Raul Leon-Lopez
- The Bemisia Species Complex: A Challenging Systematic Issue. Thomas
- Overview of Insecticidal Control and Resistance Management. John
Palumbo, Rami Horowitz & Nilima Prabhaker
- Biological Control with Predators and Parasitoids. Dan Gerling
& Oscar Alomar
- Biological Control with Fungi. Lance Osborne, Marcos Faria &
- Physical and Behavioral Control. Luko Hilje, Heather Costa &
- Emerging Strategies for Management Based on Biotechnology. Michael
Salvucci, Linda Walling & Joel Funk
- AFTERNOON SESSION (Sponsored by Session 2: Agricultural Entomology)
- Introduction to Afternoon Session of Symposium. Maria Regina Vilarinho
- Host Plant Resistance for Bemisia tabaci and Associated
Viruses. Anthony Bellotti & Francisco Morales
- Ecological Considerations for Management of Multiple-Crop Pests.
- Conservation and Evaluation of Natural Enemies in IPM Systems.
Steve Naranjo & Walker Jones
- International and National Research Programs for the Development
of IPM Systems. Pamela Anderson, Tom Henneberry & Maria Regina
- IPM of Bemisia tabaci in Australasia. Paul Debarro, Felice
Driver, Ian Naumann, Stefan Schmidt, John Trueman & John Curran
- Implementation and Adoption of IPM Systems. José L. Martínez-Carrillo,
Reuben Ausher, Peter Ellsworth & Luko Hilje
The Third International Workshop on Whiteflies
During the Second International Workshop held in Puerto-Rico in June
1998, we decided to hold the next workshop in the summer of 2001 at the
John Innes Institute in Norwich, GB. It was also decided that the meeting
will again be held jointly with the Bemisia workgroup and the workgroup
dealing with geminiviruses.
Dr. Ian Denholm, the organizer of the Bemisia groups part
in the workshop, and myself, discussed the details with Drs. Bedford,
Briddon, and Markham from the John Innes Institute. We were satisfied
as to the accommodations (both personal and meeting-wise) and prices that
were offered and together decided upon the second or third week of July
2001 as a target time for the meetings.
It is now time to voice our opinion as to the desired format and contents
of the workshop. We want our program to reflect the developments that
have occurred since the last meetings. Moreover, we would like to leave
the workshop with new ideas and contacts that will enable each to optimally
plant his future work in accordance with the newest trends and findings.
Therefore, we call upon all of you to help us shape the workshop in an
optimal way. Hereunder are some preliminary considerations:
Several models for workshops are presently practiced. The most attractive
to us would be ones that center around few leading lectures, a relatively
large number of posters that will be considered an integral part of the
meeting, and ample discussions.
The topics dealt with should include: Bemisia basic biology, including
molecular biology, biochemistry, artificial rearing, physiology and plant
relations; dynamics including modeling, and migration; natural enemies;
economic aspects, including damage and its expression and prevention.
In addition, we will be meeting with virologists. The interaction should
be extensive and both groups should benefit maximally from it.
Dr. Dan Gerling