Wingspan of 15-19 mm. Forewings are long and narrow, mottled grey in colour and with a darker area along the anterior margin. Hind wings possess a fringe of long
scales and only 5 veins arising from median cell.
Larvae
Length up to 13 mm long. Orange-red when newly eclosed, becoming milky white and then back to orangered when mature. Laid directly onto fruits
Eggs
Elliptical and pale yellowish-brown in colour. Distinctive ring of spines is present around the apex.
Distribution
Eastern Asia, largely north-eastern China and Japan.
Economic Host(s)
Primarily plant members of the Rosaceae family including apple, pear, peach, apricot, plum and quince.
Symptons/Signs
Young larvae bore into fruit to feed on fleshy parts and seeds but rejecting the skin. Feeding by the larvae can cause discoloration of the fruit.
Generations
(Z)-7-Eicosen-11-one
Monitoring
Adults Present
May to September
Recommended Trap Density
1-2 traps per hectare in large uniform orchards and 3-4 traps per hectare in less dense or mixed orchards.
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 the sticky inserts, if used, when they become filled with dust or insects.
Storage
Keep product away from direct sunlight, heat, sparks and open flame. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 18 months.
Always store sealed in original packaging