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Phenylacetaldehyde: A chemical attractant for common green lacewings (Chrysoperla carnea s.l., Neuroptera: Chrysopidae)

2006; Institute of Entomology; Volume: 103; Issue: 1 Linguagem: Inglês

10.14411/eje.2006.033

1802-8829

Miklós Tóth, A. Bozsik, F. Szentkirályi, Agostino Letardi, M. R. Tabilio, Marcello Verdinelli, P. Zandigiacomo, Judit JEKISA, István Szarukán,

Plant and animal studies

TrappingTests were conducted routinely using the methods used in similar studies on pheromones and attractants (e.g.Arn et al., 1986;Roelofs & Cardé, 1977).This was done at five sites in Hungary and Italy.Traps were suspended at a height of ca 1.5-1.7 m. Green lacewings are frequently seen flying at these heights in the crown of trees.One replicate of each treatment was incorporated into a block so that individual treatments were 5-8 m apart (according to the distance between trees at the respective sites) and blocks were situated 15-20 m apart.Details of each experiment:Halásztelek, Pest county, Hungary: the test was run in a cherry orchard from May 9 -June 10, 2003, with 6 replicated blocks.Traps were inspected twice weekly.Lak, Borsod-Abaúj-Zemplén county, Hungary: the test was run in an apricot orchard from May 8 -September 19, 2003, with 5 replicated blocks.Traps were inspected twice weekly.Ciampino (RM), Italy: the test was run in a peach orchard from May 14 -July 1, 2003, with 5 replicated blocks.Traps were inspected weekly.Udine -S.Osvaldo (UD), Italy: two tests were run parallel, in an apple orchard and in a maize field, respectively, from May 22 -August 18, 2003, with 4 replicated blocks each.Traps were inspected weekly.