Wingspan of 9-12 mm. Forewings pale brownish grey with short creamy white bars along the entire length of costa. Cilia shining dark grey. Hindwing grey-brown with
a concolorous basal ciliary line and outer cilia creamy white. Labial palps pale greybrown, whiter above. Thorax & tegulae pale brownish-grey.
Larvae
Undescribed.
Eggs
Laid on the upper leaves of host plant.
Distribution
Europe and Asia.
Economic Host(s)
Lucerne and Alfalfa
Symptons/Signs
Feed on flowers and seeds of their host without causing discoloration. Evidence of infestation is indicated by irregular holes in glumes, often edged with frass.
Generations
1
Monitoring
Adults Present
June – August (climate dependent)
Recommended Trap Density
1-2 traps per hectare
Trap Maintenance
Check traps on a regular basis; at least twice a week. It is recommended to replace the pheromone dispensers every 4 weeks to achieve optimum results.
Replace sticky inserts, if used, when they become filled with dust or insects.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 24 months. Always store sealed in
original packaging
