Forewings and hindwings are transparent. A black discal bar is present on the forewing. Thorax, antennae and head are all black. The abdomen is black with a bluegreen iridescence and with very narrow yellow bands present on segments 2,3 and 4.
Larvae
N/A
Eggs
N/A
Distribution
The USA
Economic Host(s)
Chestnut trees
Symptons/Signs
Larvae are borers in the bark of tree trunks, preferring bruised or damaged areas.
Generations
1
Monitoring
Adults Present
April to June (climate dependant)
Recommended Trap Density
1-2 traps per hectare in large plantations or 3-4 traps in small low density or well spread stands
Trap Maintenance
Check traps on a regular basis; at least twice a week. Replace the pheromone dispensers every 4 weeks to achieve optimum results.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 6 months or a freezer for an extended life of 18 months. Always store sealed in
original packaging.
