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- Title
Determination of population density of Stephanitis pyri (F.) (Hemiptera: Tingidae) on apple trees in Adana (Balcalı).
- Authors
SATAR, Gül; TİRİNG, Gülsevim
- Abstract
Pear lace bug, Stephanitis pyri (F.) (Hemiptera: Tingidae) is one of the important pests of pome and stone fruit trees, especially apple in the Palearctic Region including Mediterranean countries. In this study, the population density of S. pyri was inspected on an apple orchard at Çukurova University (Balcalı-Adana) between 2013 and 2015. Nymph and adults were counted under laboratory conditions by collecting 10 leaves from 10 randomly selected trees. Additionally, overwintering place and stage of S. pyri were investigated and the number of S. pyri generation was calculated. As a result of these studies, the first individuals were observed in april and the highest population of S. pyri was observed in August for both years. The last individuals were seen in november in the first year and in December in the second year. According to the available data, both the population fluctuation and thermal constant calculations showed that the pest gave 6-7 offspring in the region. Moreover, the results showed that S. pyri overwintered on fallen apple leaves as an adult in the region.
- Subjects
INSECT population density; LACE bugs; APPLES; ANIMAL wintering; INSECT population estimates
- Publication
Plant Protection Bulletin / Bitki Koruma Bülteni, 2019, Vol 59, Issue 3, p47
- ISSN
0406-3597
- Publication type
Article
- DOI
10.16955/bitkorb.571363