Do Moths Fly in Winter? â€“The Assemblage of Moths Active in a Temperate Deciduous Forest During the Cold Season in Central Poland
Keywords:Lepidoptera, Geometridae, Noctuidae, autumn-spring activity, winter, phenology, atmospheric conditions, regression, Central Poland
The composition and seasonal dynamics of the moth assemblage active in a temperate deciduous forest of Central Poland in autumn and spring was studied in two seasons â€“ 2007/2008 and 2008/2009. The standard light trapping method was used and, in addition, tree trunks were searched for resting moths. 42 species of moths from six families were found. The family Geometridae was predominant in terms of the numbers of individuals collected. Two geometrid species â€“ Alsophila aescularia and Operophtera brumata â€“ were defined as characteristic of the assemblage investigated. Late autumn and spring were richest in the numbers of species, whereas the species diversity was the lowest in mid-winter. Regression analysis showed that a temperature rise increased the species diversity of Geometridae but that rising air pressure negatively affected the abundance of Noctuidae.
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