Report of workshop : semiochemicals for monitoring and control of vegetable crop pest insects : Beltsville, MD, September 24, 1992

48 Pages·1992·3.9 MB·English

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Reserve
aSB608
- V4R46
1992
. tates
nt of
ure
Agricultural
Research
Service
REPORT OF WORKSHOP
Semiochemicals for Monitoring and Control
of Vegetable Crop Pest Insects
Beltsville, MD
September 24, 1992
National
Program
Start
United States
Department of
Agriculture
me AE
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TABLE OF CONTENTS
Page
Preface e e es e e e e e e e e
a EXECUTIVE SUMMARY...
II. Objectives & Charge to the Workshop
IIl. Reports' Synopsis, Identified Needs
A. Pepper Weevil...
B. Diamondback Moth .
CA") Pickle Worm 7..."
D. Stink Bugs ... =.
E. Diabrotica sp. ..
F. Sweetpotato Weevil
G. Heliothis sp. ...
H. Tomato Pinworm ..
I. Mexican Rice Borer 10
IV. APPENDICES . . 2. « « « 12
A. Workshop Agenda. . 13
B. List of Attendees . 14
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C. List of Semiochemical Patents by ARS Inventors 15
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Preface
Several of the major responsibilities of the ARS National Program Staff (NPS)
are the assessment of the scope of current research addressing national
issues, including systematic planning and documentation of research programs,
identification of gaps, establishment of research priorities and resource
needs, program evaluation, and the identification of the need for workshops to
discuss emerging research needs and their relationship to the ARS planning
process. In terms of these lead responsibilities, a one-day workshop was held
to discuss the development of semiochemicals for use in monitoring and control
of insect pests in vegetable crops.
The workshop's objectives were to determine the current status in the
development of vegetable insect control semiochemical technology and
technology transfer, to evaluate progress, and to provide a forum for
discussing problems and possible solutions in terms of the application of
semiochemical technology. The key insects selected for discussion were the
pepper weevil, diamondback moth, pickle worm, stink bugs, sweetpotato weevil,
Heliothis sp. (corn earworm), Diabrotica sp. (corn rootworm), tomato pinworn,
and the Mexican rice borer. The NPS requested a contingent of eleven ARS
scientists from 6 locations, along with their industry cooperators, to give
brief summaries of the problem and to lead discussions centered around the
workshop's objectives. We believe the meeting was most productive and a
number of implementable recommendations were generated as a result of the
day-long discussions.
The National Program Staff expresses its gratitude and appreciation to all
workshop attendees for their time and participation in this most productive
activity. We are especially indebted to the representatives from the industry
for their attendance and their valuable interactions and contributions to the
discussions. Industry is considered an important component of this team
effort.
Robert M. Faust
National Program Leader
Fundamental and Molecular Entomology
Plant Sciences
James R. Coppedge
National Program Leader
Applied Entomology
Plant Sciences
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I. EXECUTIVE SUMMARY
A number of noxious insects such as the pepper weevil, diamondback moth,
pickle worm, stink bugs, rootworms, sweetpotato weevil, corn earworm, tomato
pinworm and the Mexican rice borer are considered serious pests of vegetable
crops and pose increasing problems for control by producers. These insects
continue to develop resistance to many of the current control methods that
rely upon organic chemical insecticides; the safety of these chemicals
continues to be questioned, especially in terms of food safety, residue
problems, and in general the overall impact on the environment, nontarget
organisms and human health. Insect semiochemicals have enjoyed increasing
attention as feasible and environmentally compatible tools for pest management
systems.
An ARS workshop devoted to semiochemicals for monitoring and control of
vegetable crop pest insects was held on September 24, 1992, in Beltsville,
MD. The purpose of the workshop was to: (1) Provide an assessment and
evaluation of the status for use of semiochemicals for monitoring and control
of specific vegetable insect pests in terms of the current status of
semiochemical monitoring and control systems, the current status and future
outlook for technology transfer of developed and developing methodology, the
problems that have emerged for implementation of the technology, and solutions
to problems for implementation of the technology; (2) Define work plans for
the coming year and identify investigators who can help resolve problems to
the use of semiochemicals for monitoring and control of vegetable insect pests.
High priority research needs and ARS locations that might address those needs
were identified for each specific vegetable insect pest:
(a) Pepper weevil -- pepper weevil ecology and behavior; formulation of
pheromone; trap design; importance of plant volatiles (Weslaco;
Gainesville; Peoria).
(b) Diamondback moth —- influence of parasites/predators; system dynamics;
development of plant attractants (Gainesville).
(c) Pickle worm -- forecasting methodology/monitoring systems for
infestations; usable formulation and dispenser for longevity of pheromone
aldehyde; available source of synthetic pheromone for testing; improved
“box” trapping system; use of floral attractants/host-plant volatiles
(Beltsville; Charleston; Industry).
(d) Stink bugs -- large scale methodology for use to attract and augment
beneficial control agents and to lure beneficials from infestations prior
to pesticide application; importance of plant volatiles to aggregation
(Beltsville).
(e) Diabrotica (corn rootworm) -- Use of control methodology for cantelope
and melon (Brookings; Lane; Pacific Biocontrol).
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