Vol. 13 No. 1 (2007)
Articles

Changes in the population density of the horse-chestnut leafminer, Cameraria ohridella and of its parasitoid community at Hédervár during 7 consecutive years (1998-2004)

Published March 19, 2007
B. Horváth
Ásványráró, Szerszámgépgyár u. 7., H-9177
P. Benedek
University of West Hungary, Faculty of Agricultural and Food Science, Mosonmagyaróvár, Vár 2, H-9200
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APA

Horváth, B., & Benedek, P. (2007). Changes in the population density of the horse-chestnut leafminer, Cameraria ohridella and of its parasitoid community at Hédervár during 7 consecutive years (1998-2004). International Journal of Horticultural Science, 13(1), 65-73. https://doi.org/10.31421/IJHS/13/1/697

Studies available up to now usually report changes in populations of Camel-cola ohridella and its parasitoids in a period of 3 years or shorter. Due to the limited duration of investigations, no tendencies of changes could be disclosed and, according to the general idea, the infestation level of the horse-chestnut leafminer and the rates of parasitism do not change significantly. Based on our examinations carried out throughout 7 consecutive years we suggest that the infestation level of C. ohridella is generally decreasing and the rate of parasitism is increasing. A possible adaptation of the parasitoids to this new host is showed on the changes of parasitism. In contradiction with earlier studies, authors assume that a partially stable permanent parasitoid community is being developed around the horse-chestnut leafminer. Proportions of adult moths and parasitoids hatched in the same year of sampling or the next year were determined.

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