1 - Phytosanitary Resources

4
Survey
Tomato Leafminer
Procedures 1
Contents
Introduction 4-1
Preparation, Sanitization, and Clean-Up 4-2
Survey Types 4-2
Detection Survey 4-3
Delimiting Survey Following Initial U.S. Detection 4-3
Traceback and Trace-Forward Surveys 4-4
Monitoring Survey 4-4
Targeted Survey 4-5
Sentinel Site Survey 4-5
Visual Inspection of Plants 4-5
Visual Inspection of Packing Materials 4-6
Visual Inspection in Tomato Fields 4-6
Sweep-Net Sampling 4-10
Pheromone Lures 4-10
Trapping With Pheromone Lures 4-11
Trap Densities and Servicing Schedules 4-16
Light Traps 4-17
Survey Locations 4-18
Timing of Surveys 4-19
Processing Samples 4-20
Data Collection 4-21
Cooperation with Other Surveys 4-21
Introduction
Use Chapter 4 Survey Procedures as a guide when conducting a survey for the
tomato leafminer, Tuta absoluta (Meyrick).
6/2011 Tomato Leafminer 4-1
Emergency and Domestic Programs