plant pest eriophyes tristriatus, syn. aceria tristriata attacked the leaves and fruits of the walnut juglans regia in september.

flora agriculture berlin branch carpathian foliage food fruit fruits garden germany green walnut leaf leaves natural nut tree nuts organic outdoor persian plant plants regia ripen season species summer vegetarian vitamin pest attacked september genus acari forms galls specially trees family log cumberland europe floral eriophyes tristriatus aceria tristriata juglans rosaceae synaceria syn