Insects
and mite pests are major detriments to production of hazelnuts throughout the
world. The types of pests and their severity vary from area to area and from
year to year. In general, nearly 20% of potential crop is lost to insect and
mite pests despite millions of dollars spent on chemical control.
There are hundereds of insects have
been found on hazelnut in different place of the world.
Until
now, approximately 250 insect pest species have been found feeding on hazelnut
in Europe. Most of these species have been identified in Turkey which is primary
hazelnut producer of the world. About one dozen of them can be seen as important
pests.Also more than 130 beneficial insect have been recorded in Europe. In the United States, the total number of insects and mites associated with hazelnuts reaches about 150 species ,but only 6 or so are important pests.
