Tortricidae is a large and important group of the complex Lepidoptera on apples. The species other than codling and oriental fruit moth may be a big problem in on organic orchards. During 15 years ( 1986 - 1989, 1991 - 1994, 1997 - 2003) we conducted weekly observations of buds, leaflets and leaves to established species composition of leafrollers in untreated and abaundant orchards in Sofia region. As a result, 19 species were identified - two of them Syndemis musculana (Hubner, 1799) and Acleris cristana (Denis & Schiffermüller, 1775) are found for first time on apples in Bulgaria. [BG].
Dinamics of pest tortricidar species in apple orchards of Sofia region