ABSTRACT
To design a cost effective Macrolepidoptera monitoring system in the forests of the Narew National Park it is necessary to evaluate sampling methods. Light traps are one of most applied methods to survey moths and ultraviolet lamps are widely used. In this study I evaluate if the actinic light spectrum won’t provide better results. In six nights in six forest stands, two Heath traps were placed simultaneously, one with ultraviolet light and another with actinic light. The ultraviolet traps captured 162 individuals of 51 species while the actinic light traps captured 294 individuals of 60 species. The ANOVA test found no significant differences in the allocation of species and individuals per family among areas captured by the actinic (F = 0,2894, df = 5, p = 0,92; F = 0,2568, df = 5, p = 0,93) or by the ultraviolet (F = 0,4515, df = 5, p = 0,81; F = 0,61, df = 5, p = 0,69) Heath traps. Nevertheless the Shannon and the Margalef measures of biodiversity disclosed that
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